Method of preparing alkylated salicylamides via a...

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters

Reexamination Certificate

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C560S039000, C562S444000, C562S450000, C564S177000, C564S179000

Reexamination Certificate

active

06900344

ABSTRACT:
The present invention relates to a method of preparing an alkylated salicylamide from a protected and activated salicylamide via a dicarboxylated salicylamide intermediate. The present invention also relates to dicarboxylic salicylamide delivery agent compounds for the delivery of active agents. Methods of administration are provided as well.

REFERENCES:
patent: 2835668 (1958-05-01), Shapiro et al.
patent: 4795832 (1989-01-01), Leinen et al.
patent: 5442092 (1995-08-01), Chopdekar et al.
patent: 5773647 (1998-06-01), Leone-Bay et al.
patent: 6399798 (2002-06-01), Gschneidner et al.
patent: 1069367 (1967-05-01), None
patent: 9710197 (1997-03-01), None
patent: 0040539 (2000-07-01), None
patent: 0046182 (2000-08-01), None
Shibuya et al, “Synthesis of the Naphthalenedicarboxylic Acid Derivative Obtained From Neocarzinostatin (NCS): A Structure Revision” Tetrahedron Letters, vol. 25(11), pp. 1171-1174 (1984).*
Mazzotta et al, “Esteri ed Ammidi di Saliciloilamminoacidi” Il Farmaco—Ed. Sc. vol. 30(5), pp. 399-407 (1975).*
Steffan et al, “N-Salicyloylaspartic Acid: A New Phenolic Compound in Grapevines” Vitis, vol. 27(2), pp. 79-86 (1988).*
The Gabriel Synthesis of Primary Amines, M.S. Gibson and R.W. Bradshaw,Agnew. Chem. Internet. Edit. vol. 7(1968)No. 12.,p.p. 919-930.
Synthesis, stabilityand anticonvulsant activity of two new GABA prodrugs; F. Palagiano, et al,;Pharmazie 52(1997)vol. 4.pp. 272-276.
O,O-Diethyldithiophoric acid-A new condensing agent for acylation of amines bycarboxylic acid, Md N. Hossain & N Borthakur,Indian Journal of Chemistry, vol. 28B, Nov. 1990 pp. 1062-1063.
Nitrile sulphides, Part 7. Synthesis of [1]Benzopyrano[4,3-c]isothiazoles and Isothiazolo[4,3-c]quinolines, Peter A. Brownsort and R. Michael Paton,J. Chem. Soc. Perkin Trans. I 1987.pp 2339-2344.
International Search Report mailed Jun. 22, 2001 for International Application No. PCT/US01/09154.

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