DR M M V RAMANA,BETKAR RAHUL RAMESH,NIMKAR AMEY PRAMOD,RANADE PRASANNA BHALCHANDRA
申请号:
IN1486/MUM/2014
公开号:
IN2014MU01486A
申请日:
2014.04.28
申请国别(地区):
IN
年份:
2015
代理人:
摘要:
The present invention relates to the synthesis of 6-amino-5-cyano-2-methyl-4-aryl-4H-pyran-3-carboxylate derivatives by the reaction of aromatic aldehyde, malononitrile and (3-carbonyl compound using CSOH-AI2O3 as a heterogeneous basic catalyst in alcohol solvent.