A new reduction method for anti diabetic agent

摘要

Abstract: a method for preparing a compound of formula (I) or figure tautomeric him, Aldhwab - pharmaceutical acceptable or unacceptable A1 pharmacists as a aromatic heterocyclyl.R1 corn is hydrogen, a alkyl, acyl group, a aralkyl, aryl part may be replaced or not replaced moiety, or a aryl A2 represents a substituent or non substituent benzene ring benzene ring. The total up to five Mstbdlat and N is integer in the range of the II to VI, the method of catalytic reduction of a compound having formula (II): where A2, R1, A1 and N as previously defined.In the formula (I) and that the interaction of the shorthand is the use of pressure hydrogen above 20 pounds / square inch, then according to Nguyen acceptable salt pharmacists and / or the pharmaceutical acceptable soluble of the formula (I). .