2 - (2 -). it is the methyl acetamide derivative, manufacturing method of no) and his group for (free on rail PRODUCING PROCESS intermediate 2 - (2 - HYDROXYMETHYLPHENYL) ACETAMIDE DERIVATIVE and INT ERMEDIATE free on rail THE PRODUCTION THEREOF)

摘要

this invention is the compound of chemical formula (u2161) of the mean of the (p) of the protection is to include (i) a compound of the chemical formula and the manufacturing method of the compound of chemical formula (i), and intermediate in;;[chemical formula 1];[chemical formula ii];in the method, R1 and R2 is the same or different, and hydrogen or alkyl, and r is hydrogen or alkyl, and p is the protection of the more strange, ~ is e - z - isomer, isomer or their mixture to express.