Patent ID: 6930200
Filing Date: 2005-08-16
Classification: C07C,C07D

Abstract:
1. A method for making a compound of Formula 1 where R 1 is selected from: (a) H, (b) mono-, di-, and tri-substituted aryl, and (c) C R 2 and R 3 are the same or different and are selected from (a) H, with the proviso that at least one of R (b) C where the substituents of R 1 , R 2 , and R 3 are selected from: H, chloro, fluoro, bromo, iodo, nitro, cyano, amino, C where the aryl group of R 1 , R 2 , and R 3 is selected from: phenyl, biphenyl, 2-napthyl, 1-napthyl, pyridyl, furyl, thiophenyl, indolyl, isothiazolyl, imidazolyl, benzimidazolyl, tetrazolyl, pyrazinyl, pyrimidyl, quinolyl, isoquinolyl, benzofuryl, isobenzofuryl, benzothienyl, pyrazolyl, isoindolyl, purinyl, carbazolyl, isoxazolyl, thiazolyl, oxazolyl, benthiazolyl, benzoxazolyl; and where R 4 and R 5 are the same or different and are selected from: (d) H, and (e) an amine protecting group; said method comprising: