LIMITING PLANT GROWTH WITH HETEROCYCLIC ALKYLTHIOCYANATE AND ISOTHIOCYANATE

• US 3,725,030 A
• Filed: 11/20/1970
• Issued: 04/03/1973
• Est. Priority Date: 11/20/1970
• Status: Expired due to Term

• Current Assignee: Albert J. Poje, Peter E. Newallis, Peter F. Epstein
• Original Assignee: Albert J. Poje, Peter E. Newallis, Peter F. Epstein
• Inventors: Newallis, Peter E., Poje, Albert J., Epstein, Peter F.
• Primary Examiner(s): Gotts, Lewis
• Assistant Examiner(s): Hollrah, G.
• Application Number:
  US05/091,541
• Time in Patent Office: 865 Days
• Field of Search: 71/76,104,88
• US Class Current: 504/176
• CPC Class Codes: A01N 47/46 containing —N=C=S groups
• CPC Class Codes: C07D 213/40 Acylated substituent nitrogen atom
• CPC Class Codes: C07D 307/10 with substituted hydrocarbon radicals attached to ring carbon atoms
• CPC Class Codes: C07D 307/42 Singly bound oxygen atoms
• CPC Class Codes: C07D 307/52 Radicals substituted by nitrogen atoms not forming part of a nitro radical
• CPC Class Codes: C07D 309/14 Nitrogen atoms not forming part of a nitro radical
• CPC Class Codes: C07D 333/20 by nitrogen atoms nitro, nitroso radicals C07D333/12
• CPC Class Codes: C07D 333/24 Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
• CPC Class Codes: C07D 333/28 Halogen atoms
• CPC Class Codes: C07D 333/48 by oxygen atoms

Abstract

Plant growth limiting compositions and methods of limiting vegetative growth with non-phytotoxic concentrations using certain alkylthiocyanates and isothiocyanates.

Claims

2. Method according to claim 1 wherein Z is furyl or pyranyl as well as di- and tetra-hydrogenated derivatives thereof, optionally substituted with chlorine or bromine.

3. Method according to claim 1 wherein such compound is:

2-tetrahydrofurfuryl isothiocyanate of the formula;

4. Method according to claim 1 wherein such compound is:

2-furfuryl isothiocyanate of the formula;

5. Method according to claim 1 wherein such compound is:

2-Isothiocyanato-3,4-dihydro-2H-pyran of the formula;