Electrochemical deblocking solution for electrochemical oligomer synthesis on an electrode array

• US 20070034513A1
• Filed: 03/25/2005
• Published: 02/15/2007
• Est. Priority Date: 03/25/2005
• Status: Abandoned Application

• Current Assignee: CustomArray, Inc. (Genscript Biotech Corp.)
• Original Assignee: CombiMatrix Corporation
• Inventors: Cooper, John, Maurer, Karl, Strathmann, Michael
• Application Number:
  US11/090,096
• Publication Number:
  US 20070034513A1
• Time in Patent Office: Days
• US Class Current: 204/450
• CPC Class Codes: B01J 19/0046 Sequential or parallel reactions, e.g. for the synthesis of polypeptides or polynucleotides; Apparatus and devices for combinatorial chemistry or for making molecular arrays synthesis methods per se C40B50/00
• CPC Class Codes: B01J 2219/00653 the compounds being bound to electrodes embedded in or on the solid supports
• CPC Class Codes: C07B 31/00 Reduction in general
• CPC Class Codes: C07B 33/00 Oxidation in general
• CPC Class Codes: C07B 41/02 of hydroxy or O-metal groups
• CPC Class Codes: C07B 41/06 of carbonyl groups
• CPC Class Codes: C07C 309/30 of six-membered aromatic rings substituted by alkyl groups
• CPC Class Codes: C07C 39/08 Dihydroxy benzenes; Alkylated derivatives thereof
• CPC Class Codes: C07C 50/00 Quinones for quinone methides, see unsaturated ketones with a keto group being part of a ring
• CPC Class Codes: C07C 50/04 Benzoquinones, i.e. C6H4O2
• CPC Class Codes: C07D 213/16 containing only one pyridine ring
• CPC Class Codes: C07H 21/02 with ribosyl as saccharide radical
• CPC Class Codes: C07H 21/04 with deoxyribosyl as saccharide radical
• CPC Class Codes: C25B 3/00 Electrolytic production of organic compounds
• CPC Class Codes: C25B 3/23 Oxidation halogenation C25B3/27
• CPC Class Codes: C25B 3/25 Reduction
• CPC Class Codes: C25B 3/29 Coupling reactions
• CPC Class Codes: Y02P 20/55 Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Abstract

There is disclosed an electrochemical deblocking solution for use on an electrode microarray. There is further disclosed a method for electrochemical synthesis on an electrode array using the electrochemical deblocking solution. The solution and method are for removing acid-labile protecting groups for synthesis of oligonucleotides, peptides, small molecules, or polymers on a microarray of electrodes while substantially improving isolation of deblocking to active electrodes. The method comprises applying a voltage or a current to at least one electrode of an array of electrodes. The array of electrodes is covered by the electrochemical deblocking solution.

Claims

1. An electrochemical deblocking solution for use on an electrode microarray comprising an acid-source reducible solvent, an organic salt, and an organic base.

2. The electrochemical deblocking solution of claim 1, wherein the acid-source reducible solvent is selected from the group consisting of methylene chloride, 1,1,1-trichloroethane, 1,1,2-trichloro-1,2-diifluoroethane, 1,1,2-trichloroethane, 1,4-dichlorobenzene, 1-butanol, 1-hexene, 1-propanol, 2-(2-butoxyethoxy) ethyl acetate, 2-butoxyethanol acetate, 2-butoxyethyl acetate, 2-ethoxyethanol acetate, 2-ethoxyethanol, 2-methoxyethanol acetate, 2-methoxyethanol, 2-methylhexane, 2-nitropropane, acetone alcohol, acetone, acetonitrile, allyl alcohol, benzene, benzotrifluoride, benzyl chloride, biphenyl, carbon disulfide, chlorobenzene, chlorobromomethane, cyclodecane, cycloheptane, cyclohexane, cyclohexanol, cyclohexanone, cyclononane, cyclooctane, cyclopentane, diacetone alcohol, dibromomethane, dichlorodiphenyltrichloroethane, dichloroethene, dimethyl sulfoxide, diethyl ether, diethylene glycol, dimethyl formamide, dipropylene glycol, ethanol, ethyl acetate, ethyl benzene, ethyl ether, ethyl glycol acetate, ethyl glycol, ethylbenzene, ethylene glycol, formamide, furfural, furfuryl alcohol, heptafluorocyclopentane, heptafluoropropyl methyl ether, heptane, hexachlorocyclohexane, hexane, isoamyl alcohol, isobutyl acetate, isobutyl alcohol, isobutyl isobutyrate, isomethoxynonafluorobutane, iso-methoxynonafluorobutane, isophorone, isopropyl acetate, iso-propyl alcohol, methanol, methoxy propyl acetate, methyl amyl ketone, methyl chloride, methyl chloroform, methyl ethyl ketone, methyl glycol acetate methyl isobutyl ketone, methyl propyl ketone, monochlorotoluene, n-amyl alcohol, n-butyl acetate, n-butyl alcohol, n-decane, nitrobenzene, nitromethane, n-methoxynonafluorobutane, n-methylpyrrolidone, n-nonane, n-octane, n-octyl alcohol, n-butyl acetate, n-pentane, n-propyl acetate, n-propyl alcohol, ortho-dichlorobenzene, perchloroethene, propylene glycol diacetate, propylene glycol, t-amyl alcohol, t-butyl alcohol, tetrahydrofuran, toluene, trans-1,2-dichloroethylene, trichloroethene, trichloroethylene, trichloromethane, triethylene gycol, vinyl choloride, and xylene, and combinations thereof.

3. The electrochemical deblocking solution of claim 1, wherein the acid-source reducible solvent comprises an acid source and a reducible solvent.

4. The electrochemical deblocking solution of claim 3, wherein the acid source has a concentration of approximately 0.1 mM to approximately 2 M, wherein the acid source is selected from the group consisting of

5. The electrochemical deblocking solution of claim 3, wherein the reducible solvent is selected from the group consisting of methylene chloride, 1,1,1-trichloroethane, 1,1,2-trichloro-1,2,2-trifluoroethane, 1,1,2-trichloroethane, 1,4-dichlorobenzene, 1-butanol, 1-hexene, 1-propanol, 2-(2-butoxyethoxy) ethyl acetate, 2-butoxyethanol acetate, 2-butoxyethyl acetate, 2-ethoxyethanol acetate, 2-ethoxyethanol, 2-methoxyethanol acetate, 2-methoxyethanol, 2-methylhexane, 2-nitropropane, acetone alcohol, acetone, acetonitrile, allyl alcohol, benzene, benzotrifluoride, benzyl chloride, biphenyl, carbon disulfide, carbon tetrachloride, chlorobenzene, chlorobromomethane, cyclodecane, cycloheptane, cyclohexane, cyclohexanol, cyclohexanone, cyclononane, cyclooctane, cyclopentane, diacetone alcohol, dibromomethane, dichlorodiphenyltrichloroethane, dichloroethene, diemthyl sulfoxide, diethyl ether, diethylene glycol, dimethyl formamide, dipropylene glycol, ethanol, ethyl acetate, ethyl benzene, ethyl ether, ethyl glycol acetate, ethyl glycol, ethylbenzene, ethylene glycol, formamide, furfural, furfuryl alcohol, heptafluorocyclopentane, heptafluoropropyl methyl ether, heptane, hexachlorocyclohexane, hexane, isoamyl alcohol, isobutyl acetate, isobutyl alcohol, isobutyl isobutyrate, isomethoxynonafluorobutane, iso-methoxynonafluorobutane, isophorone, isopropyl acetate, iso-propyl alcohol, methanol, methoxy propyl acetate, methyl amyl ketone, methyl chloride, methyl chloroform, methyl ethyl ketone, methyl glycol acetate methyl isobutyl ketone, methyl propyl ketone, monochlorotoluene, monothiophosphate, n-amyl alcohol, n-butyl acetate, n-butyl alcohol, n-decane, nitrobenzene, nitromethane, n-methoxynonafluorobutane, n-methylpyrrolidone, n-nonane, n-octane, n-octyl alcohol, n-butyl acetate, n-methoxynonafluorobutane, n-pentane, n-propyl acetate, n-propyl alcohol, ortho-dichlorobenzene, perchloroethene, perchloroethylene, propylene glycol diacetate, propylene glycol, t-amyl alcohol, t-butyl alcohol, tetrachloroethylene, tetrahydrofuran, toluene, trans-1,2-dichloroethylene, trichloroethene, trichloroethylene, trichlorofluoromethane, triethylene gycol, vinyl choloride, and xylene, and combinations thereof.

6. The electrochemical deblocking solution of claim 3, wherein the reducible solvent comprises an organic solvent and a reducible chemical.

7. The electrochemical deblocking solution of claim 6, wherein the organic solvent is selected from the group consisting of methylene chloride, 1,1,1-trichloroethane, 1,1,2-trichloro-1,2,2-trifluoroethane, 1,1,2-trichloroethane, 1,4-dichlorobenzene, 1-butanol, 1-hexene, 1-propanol, 2-(2-butoxyethoxy) ethyl acetate, 2-butoxyethanol acetate, 2-butoxyethyl acetate, 2-ethoxyethanol acetate, 2-ethoxyethanol, 2-methoxyethanol acetate, 2-methoxyethanol, 2-methylhexane, 2-nitropropane, acetone alcohol, acetone, acetonitrile, allyl alcohol, benzene, benzotrifluoride, benzyl chloride, biphenyl, carbon disulfide, carbon tetrachloride, chlorobenzene, chlorobromomethane, cyclodecane, cycloheptane, cyclohexane, cyclohexanol, cyclohexanone, cyclononane, cyclooctane, cyclopentane, diacetone alcohol, dibromomethane, dichlorodiphenyltrichloroethane, dichloroethene, diemthyl sulfoxide, diethyl ether, diethylene glycol, dimethyl formamide, dipropylene glycol, ethanol, ethyl acetate, ethyl benzene, ethyl ether, ethyl glycol acetate, ethyl glycol, ethylbenzene, ethylene glycol, formamide, furfural, furfuryl alcohol, heptafluorocyclopentane, heptafluoropropyl methyl ether, heptane, hexachlorocyclohexane, hexane, isoamyl alcohol, isobutyl acetate, isobutyl alcohol, isobutyl isobutyrate, isomethoxynonafluorobutane, iso-methoxynonafluorobutane, isophorone, isopropyl acetate, iso-propyl alcohol, methanol, methoxy propyl acetate, methyl amyl ketone, methyl chloride, methyl chloroform, methyl ethyl ketone, methyl glycol acetate methyl isobutyl ketone, methyl propyl ketone, monochlorotoluene, n-amyl alcohol, n-butyl acetate, n-butyl alcohol, n-decane, nitrobenzene, nitromethane, n-methoxynonafluorobutane, n-methylpyrrolidone, n-nonane, n-octane, n-octyl alcohol, n-butyl acetate, n-methoxynonafluorobutane, n-pentane, n-propyl acetate, n-propyl alcohol, ortho-dichlorobenzene, perchloroethene, perchloroethylene, propylene glycol diacetate, propylene glycol, t-amyl alcohol, t-butyl alcohol, tetrachloroethylene, tetrahydrofuran, toluene, trans-1,2-dichloroethylene, trichloroethene, trichloroethylene, trichlorofluoromethane, triethylene gycol, vinyl choloride, and xylene, and combinations thereof.

8. The electrochemical deblocking solution of claim 6, wherein the reducible chemical has a concentration of approximately 0.001 mM to approximately 200 mM, wherein the reducible chemical is selected from the group consisting of

9. The electrochemical deblocking solution of claim 3, wherein the reducible solvent comprises an organic solvent, an alcohol, and a reducible chemical.

10. The electrochemical deblocking solution of claim 9, wherein the organic solvent is selected from the group consisting of methylene chloride, 1,1,1-trichloroethane, 1,1,2-trichloro-1,2,2-trifluoroethane, 1,1,2-trichloroethane, 1,4-dichlorobenzene, 1-hexene, 2-(2-butoxyethoxy) ethyl acetate, 2-butoxyethanol acetate, 2-butoxyethyl acetate, 2-methoxyethanol acetate, 2-methylhexane, 2-nitropropane, acetone, acetonitrile, benzene, benzotrifluoride, benzyl chloride, biphenyl, carbon disulfide, carbon tetrachloride, chlorobenzene, chlorobromomethane, cyclodecane, cycloheptane, cyclohexane, cyclohexanone, cyclononane, cyclooctane, cyclopentane, dibromomethane, dichlorodiphenyltrichloroethane, dichloroethene, diemthyl sulfoxide, diethyl ether, diethylene glycol, dimethyl formamide, dipropylene glycol, ethyl acetate, ethyl benzene, ethyl ether, ethyl glycol acetate, ethyl glycol, ethylbenzene, ethylene glycol, formamide, furfural, heptafluorocyclopentane, heptafluoropropyl methyl ether, heptane, hexachlorocyclohexane, hexane, isobutyl acetate, isobutyl isobutyrate, isomethoxynonafluorobutane, iso-methoxynonafluorobutane, isophorone, isopropyl acetate, methoxy propyl acetate, methyl amyl ketone, methyl chloride, methyl chloroform, methyl ethyl ketone, methyl glycol acetate methyl isobutyl ketone, methyl propyl ketone, monochlorotoluene, monothiophosphate, n-butyl acetate, n-decane, nitrobenzene, nitromethane, n-methoxynonafluorobutane, n-methylpyrrolidone, n-nonane, n-octane, n-butyl acetate, n-methoxynonafluorobutane, n-pentane, n-propyl acetate, ortho-dichlorobenzene, perchloroethene, perchloroethylene, propylene glycol diacetate, propylene glycol, tetrachloroethylene, tetrahydrofuran, toluene, trans-1,2-dichloroethylene, trichloroethene, trichloroethylene, trichlorofluoromethane, triethylene gycol, vinyl choloride, and xylene, and combinations thereof.

11. The electrochemical deblocking solution of claim 9, wherein the reducible chemical has a concentration of approximately 0.001 mM to approximately 200 mM, wherein the reducible chemical is selected from the group consisting of

12. The electrochemical deblocking solution of claim 9, wherein the alcohol is approximately 0.1% to approximately 99% of the reducible solvent, wherein the alcohol is selected from the group consisting of methanol, ethanol, propanol, isobutanol, 1-butanol, 2-ethoxyethanol, 2-methoxyethanol, acetone alcohol, allyl alcohol, cyclohexanol, diacetone alcohol, diethylene glycol, dipropylene glycol, ethyl glycol, ethylene glycol, furfuryl alcohol, isoamyl alcohol, isopropyl alcohol, n-amyl alcohol, n-butyl alcohol, n-octyl alcohol, n-propyl alcohol, propylene glycol, t-amyl alcohol, t-butyl alcohol, and triethylene gycol, and combinations thereof.

13. The electrochemical deblocking solution of claim 1, wherein the organic salt has a concentration from about 0.1 mM to about 5 M, wherein the organic salt is selected from the group consisting of

14. The electrochemical deblocking solution of claim 1, wherein the organic base has a concentration of approximately 0.01 mM to approximately 200 mM, wherein the organic base is selected from the group consisting of N,N-diisopropylethylamine, lutidine(dimethyl pyridine isomers),

15. A method of electrochemical deblocking of an acid-labile protecting group, comprising applying a voltage or a current to at least one electrode of an array of electrodes, wherein, the array of electrodes is covered by an electrochemical deblocking solution, wherein the electrochemical deblocking solution comprises an acid-source reducible solvent, an organic salt, and an organic base.

16. The method of claim 15, wherein the acid-source reducible solvent is selected from the group consisting of methylene chloride, 1,1,1-trichloroethane, 1,1,2-trichloro-1,2-diifluoroethane, 1,1,2-trichloroethane, 1,4-dichlorobenzene, 1-butanol, 1-hexene, 1-propanol, 2-(2-butoxyethoxy) ethyl acetate, 2-butoxyethanol acetate, 2-butoxyethyl acetate, 2-ethoxyethanol acetate, 2-ethoxyethanol, 2-methoxyethanol acetate, 2-methoxyethanol, 2-methylhexane, 2-nitropropane, acetone alcohol, acetone, acetonitrile, allyl alcohol, benzene, benzotrifluoride, benzyl chloride, biphenyl, carbon disulfide, chlorobenzene, chlorobromomethane, cyclodecane, cycloheptane, cyclohexane, cyclohexanol, cyclohexanone, cyclononane, cyclooctane, cyclopentane, diacetone alcohol, dibromomethane, dichlorodiphenyltrichloroethane, dichloroethene, dimethyl sulfoxide, diethyl ether, diethylene glycol, dimethyl formamide, dipropylene glycol, ethanol, ethyl acetate, ethyl benzene, ethyl ether, ethyl glycol acetate, ethyl glycol, ethylbenzene, ethylene glycol, formamide, furfural, furfuryl alcohol, heptafluorocyclopentane, heptafluoropropyl methyl ether, heptane, hexachlorocyclohexane, hexane, isoamyl alcohol, isobutyl acetate, isobutyl alcohol, isobutyl isobutyrate, isomethoxynonafluorobutane, iso-methoxynonafluorobutane, isophorone, isopropyl acetate, iso-propyl alcohol, methanol, methoxy propyl acetate, methyl amyl ketone, methyl chloride, methyl chloroform, methyl ethyl ketone, methyl glycol acetate methyl isobutyl ketone, methyl propyl ketone, monochlorotoluene, n-amyl alcohol, n-butyl acetate, n-butyl alcohol, n-decane, nitrobenzene, nitromethane, n-methoxynonafluorobutane, n-methylpyrrolidone, n-nonane, n-octane, n-octyl alcohol, n-butyl acetate, n-pentane, n-propyl acetate, n-propyl alcohol, ortho-dichlorobenzene, perchloroethene, propylene glycol diacetate, propylene glycol, t-amyl alcohol, t-butyl alcohol, tetrahydrofuran, toluene, trans-1,2-dichloroethylene, trichloroethene, trichloroethylene, trichloromethane, triethylene gycol, vinyl choloride, and xylene, and combinations thereof.

17. The method of claim 15, wherein the acid-source reducible solvent comprises an acid source and a reducible solvent.

18. The method of claim 17, wherein the acid source has a concentration of approximately 0.1 mM to approximately 2 M, wherein the acid source is selected from the group consisting of

19. The method of claim 17, wherein the reducible solvent is selected from the group consisting of methylene chloride, 1,1,1-trichloroethane, 1,1,2-trichloro-1,2,2-trifluoroethane, 1,1,2-trichloroethane, 1,4-dichlorobenzene, 1-butanol, 1-hexene, 1-propanol, 2-(2-butoxyethoxy) ethyl acetate, 2-butoxyethanol acetate, 2-butoxyethyl acetate, 2-ethoxyethanol acetate, 2-ethoxyethanol, 2-methoxyethanol acetate, 2-methoxyethanol, 2-methylhexane, 2-nitropropane, acetone alcohol, acetone, acetonitrile, allyl alcohol, benzene, benzotrifluoride, benzyl chloride, biphenyl, carbon disulfide, carbon tetrachloride, chlorobenzene, chlorobromomethane, cyclodecane, cycloheptane, cyclohexane, cyclohexanol, cyclohexanone, cyclononane, cyclooctane, cyclopentane, diacetone alcohol, dibromomethane, dichlorodiphenyltrichloroethane, dichloroethene, diemthyl sulfoxide, diethyl ether, diethylene glycol, dimethyl formamide, dipropylene glycol, ethanol, ethyl acetate, ethyl benzene, ethyl ether, ethyl glycol acetate, ethyl glycol, ethylbenzene, ethylene glycol, formamide, furfural, furfuryl alcohol, heptafluorocyclopentane, heptafluoropropyl methyl ether, heptane, hexachlorocyclohexane, hexane, isoamyl alcohol, isobutyl acetate, isobutyl alcohol, isobutyl isobutyrate, isomethoxynonafluorobutane, iso-methoxynonafluorobutane, isophorone, isopropyl acetate, iso-propyl alcohol, methanol, methoxy propyl acetate, methyl amyl ketone, methyl chloride, methyl chloroform, methyl ethyl ketone, methyl glycol acetate methyl isobutyl ketone, methyl propyl ketone, monochlorotoluene, monothiophosphate, n-amyl alcohol, n-butyl acetate, n-butyl alcohol, n-decane, nitrobenzene, nitromethane, n-methoxynonafluorobutane, n-methylpyrrolidone, n-nonane, n-octane, n-octyl alcohol, n-butyl acetate, n-methoxynonafluorobutane, n-pentane, n-propyl acetate, n-propyl alcohol, ortho-dichlorobenzene, perchloroethene, perchloroethylene, propylene glycol diacetate, propylene glycol, t-amyl alcohol, t-butyl alcohol, tetrachloroethylene, tetrahydrofuran, toluene, trans-1,2-dichloroethylene, trichloroethene, trichloroethylene, trichlorofluoromethane, triethylene gycol, vinyl choloride, and xylene, and combinations thereof.

20. The method of claim 17, wherein the reducible solvent comprises an organic solvent and a reducible chemical.

21. The method of claim 20, wherein the organic solvent is selected from the group consisting of methylene chloride, 1,1,1-trichloroethane, 1,1,2-trichloro-1,2,2-trifluoroethane, 1,1,2-trichloroethane, 1,4-dichlorobenzene, 1-butanol, 1-hexene, 1-propanol, 2-(2-butoxyethoxy) ethyl acetate, 2-butoxyethanol acetate, 2-butoxyethyl acetate, 2-ethoxyethanol acetate, 2-ethoxyethanol, 2-methoxyethanol acetate, 2-methoxyethanol, 2-methylhexane, 2-nitropropane, acetone alcohol, acetone, acetonitrile, allyl alcohol, benzene, benzotrifluoride, benzyl chloride, biphenyl, carbon disulfide, carbon tetrachloride, chlorobenzene, chlorobromomethane, cyclodecane, cycloheptane, cyclohexane, cyclohexanol, cyclohexanone, cyclononane, cyclooctane, cyclopentane, diacetone alcohol, dibromomethane, dichlorodiphenyltrichloroethane, dichloroethene, diemthyl sulfoxide, diethyl ether, diethylene glycol, dimethyl formamide, dipropylene glycol, ethanol, ethyl acetate, ethyl benzene, ethyl ether, ethyl glycol acetate, ethyl glycol, ethylbenzene, ethylene glycol, formamide, furfural, furfuryl alcohol, heptafluorocyclopentane, heptafluoropropyl methyl ether, heptane, hexachlorocyclohexane, hexane, isoamyl alcohol, isobutyl acetate, isobutyl alcohol, isobutyl isobutyrate, isomethoxynonafluorobutane, iso-methoxynonafluorobutane, isophorone, isopropyl acetate, iso-propyl alcohol, methanol, methoxy propyl acetate, methyl amyl ketone, methyl chloride, methyl chloroform, methyl ethyl ketone, methyl glycol acetate methyl isobutyl ketone, methyl propyl ketone, monochlorotoluene, n-amyl alcohol, n-butyl acetate, n-butyl alcohol, n-decane, nitrobenzene, nitromethane, n-methoxynonafluorobutane, n-methylpyrrolidone, n-nonane, n-octane, n-octyl alcohol, n-butyl acetate, n-methoxynonafluorobutane, n-pentane, n-propyl acetate, n-propyl alcohol, ortho-dichlorobenzene, perchloroethene, perchloroethylene, propylene glycol diacetate, propylene glycol, t-amyl alcohol, t-butyl alcohol, tetrachloroethylene, tetrahydrofuran, toluene, trans-1,2-dichloroethylene, trichloroethene, trichloroethylene, trichlorofluoromethane, triethylene gycol, vinyl choloride, and xylene, and combinations thereof.

22. The method of claim 20, wherein the reducible chemical has a concentration of approximately 0.001 mM to approximately 200 mM, wherein the reducible chemical is selected from the group consisting of

23. The method of claim 17, wherein the reducible solvent comprises an organic solvent, an alcohol, and a reducible chemical.

24. The method of claim 20, wherein the organic solvent is selected from the group consisting of methylene chloride, 1,1,1-trichloroethane, 1,1,2-trichloro-1,2,2-trifluoroethane, 1,1,2-trichloroethane, 1,4-dichlorobenzene, 1-hexene, 2-(2-butoxyethoxy) ethyl acetate, 2-butoxyethanol acetate, 2-butoxyethyl acetate, 2-methoxyethanol acetate, 2-methylhexane, 2-nitropropane, acetone, acetonitrile, benzene, benzotrifluoride, benzyl chloride, biphenyl, carbon disulfide, carbon tetrachloride, chlorobenzene, chlorobromomethane, cyclodecane, cycloheptane, cyclohexane, cyclohexanone, cyclononane, cyclooctane, cyclopentane, dibromomethane, dichlorodiphenyltrichloroethane, dichloroethene, diemthyl sulfoxide, diethyl ether, diethylene glycol, dimethyl formamide, dipropylene glycol, ethyl acetate, ethyl benzene, ethyl ether, ethyl glycol acetate, ethyl glycol, ethylbenzene, ethylene glycol, formamide, furfural, heptafluorocyclopentane, heptafluoropropyl methyl ether, heptane, hexachlorocyclohexane, hexane, isobutyl acetate, isobutyl isobutyrate, isomethoxynonafluorobutane, iso-methoxynonafluorobutane, isophorone, isopropyl acetate, methoxy propyl acetate, methyl amyl ketone, methyl chloride, methyl chloroform, methyl ethyl ketone, methyl glycol acetate methyl isobutyl ketone, methyl propyl ketone, monochlorotoluene, monothiophosphate, n-butyl acetate, n-decane, nitrobenzene, nitromethane, n-methoxynonafluorobutane, n-methylpyrrolidone, n-nonane, n-octane, n-butyl acetate, n-methoxynonafluorobutane, n-pentane, n-propyl acetate, ortho-dichlorobenzene, perchloroethene, perchloroethylene, propylene glycol diacetate, propylene glycol, tetrachloroethylene, tetrahydrofuran, toluene, trans-1,2-dichloroethylene, trichloroethene, trichloroethylene, trichlorofluoromethane, triethylene gycol, vinyl choloride, and xylene, and combinations thereof.

25. The method of claim 23, wherein the reducible chemical has a concentration of approximately 0.001 mM to approximately 200 mM, wherein the reducible chemical is selected from the group consisting of

26. The method of claim 23, wherein the alcohol is approximately 0.1% to approximately 99% of the reducible solvent, wherein the alcohol is selected from the group consisting of methanol, ethanol, propanol, isobutanol, 1-butanol, 2-ethoxyethanol, 2-methoxyethanol, acetone alcohol, allyl alcohol, cyclohexanol, diacetone alcohol, diethylene glycol, dipropylene glycol, ethyl glycol, ethylene glycol, furfuryl alcohol, isoamyl alcohol, isopropyl alcohol, n-amyl alcohol, n-butyl alcohol, n-octyl alcohol, n-propyl alcohol, propylene glycol, t-amyl alcohol, t-butyl alcohol, and triethylene gycol, and combinations thereof.

27. The method of claim 15, wherein the organic salt has a concentration from about 0.1 mM to about 5 M, wherein the organic salt is selected from the group consisting of

28. The method of claim 15, wherein the organic base has a concentration of approximately 0.01 mM to approximately 200 mM, wherein the organic base is selected from the group consisting of N,N-diisopropylethylamine, lutidine(dimethyl pyridine isomers),

29. The method of claim 15, wherein the voltage is from approximately 0.1 volts to approximately 10 volts.

30. An electrochemical deblocking solution comprising approximately 0.01 to 200 mM of lutidine, approximately 0.1 to 100 mM benzoquinone, approximately 0.1 to 2 M hydroquinone, approximately 0.1 to 5 M tetraethylammonium p-toluenesulfonate, and a solvent having approximately 10% to, 99% acetonitrile and approximately 1% to 90% methanol.

31. An electrochemical deblocking solution comprising approximately 0.01 to 200 mM of N,N-diisopropylethylamine, approximately 0.1 to 100 mM 2,5-di-tert-butyl benzoquinone, approximately 0.1 to 100 mM 2,5-di-tert-butyl hydroquinone, approximately 0.1 to 5 M tetrabutylammonium hexafluorophosphate, and a solvent having approximately 1% to 99% dichloromethane and approximately 1% to 99% isopropanol.