Anesthetic polyorganophosphazenes
First Claim
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1. A long-acting, local anesthetic, comprising:
- a polymeric phosphazene backbone, andan organic radical having local anesthetic activity and an amino functional group on a phenyl ring through which said radical is covalently attached to said phosphazene backbone by a phosphorous-nitrogen single bond, and said organic radical being selected from the group consisting of radicals of benzocaine, butethamine, butyl ester of p-aminobenzoic acid, m-butethamine, procaine, chloroprocaine proparacaine, propoxycaine and tetracaine.
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Abstract
A long-acting, local anesthetic, comprising a polymeric phosphazene backbone, and 2-amino-4-picoline radical having local anesthetic activity and an amino functional group on the ring of said radical through which said radical is covalently attached to the phosphazene backbone by a phosphorous-nitrogen single bond is disclosed along with medicaments containing such anesthetics.
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Citations
20 Claims
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1. A long-acting, local anesthetic, comprising:
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a polymeric phosphazene backbone, and an organic radical having local anesthetic activity and an amino functional group on a phenyl ring through which said radical is covalently attached to said phosphazene backbone by a phosphorous-nitrogen single bond, and said organic radical being selected from the group consisting of radicals of benzocaine, butethamine, butyl ester of p-aminobenzoic acid, m-butethamine, procaine, chloroprocaine proparacaine, propoxycaine and tetracaine. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 18, 19, 20)
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14. A long-acting, local anesthetic, comprising:
a polymeric phosphazene backbone, and an organic radical having local anesthetic activity which is an ester of p-aminobenzoic acid and an amino functional group on a phenyl ring through which said radical is covalently attached to said phosphazene backbone by a phosphorous-nitrogen single bond. - View Dependent Claims (15, 16, 17)
Specification