Patent ID: 7449586

Claim:
A process for synthesizing a compound of Formula XIV, XV, or XVI wherein R 3 is 7-methyl-1H-indazol-5-yl; R 4 is C 1-6 alkyl or benzyl; and PG 2 is methoxymethyl ether, benzyloxymethyl ether, benzyl or tri-C 1-6 alkylsilyl; comprising (a) hydrolyzing a compound of Formula XI wherein R 4 is C 1-6 alkyl or benzyl; PG 1 is BOC, CBZ or FMOC; and R 3 is 2,6-dimethylanilin-3-yl to form a compound of Formula XIII (b) reducing said compound of Formula XIII to a compound of Formula XIV (c) protecting the hydroxy moiety of compound XIV with PG 2 wherein PG 2 is methoxymethyl ether, benzyloxymethyl ether, benzyl or tri-C 1-6 alkylsilyl; to form a compound of Formula XV; and (d) hydrolyzing R 4 to form a compound of Formula XVI.