MERCK PATENT GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
发明人:
SCHIEMANN, KAI,BOETTCHER, HENNING,HEINRICH, TIMO,HOELZEMANN, GUENTER,VAN AMSTERDAM, CHRISTOPH,BARTOSZYK, GERD,LEIBROCK, JOACHIM,SEYFRIED, CHRISTOPH
申请号:
CA2520892
公开号:
CA2520892C
申请日:
2004.03.08
申请国别(地区):
CA
年份:
2012
代理人:
摘要:
The invention relates to a method for the production of compounds of formula(I),wherein R, R1, R2 and R3 have the meaning cited in claim 1, in addition tocompoundsof formula (IV) wherein R and R1 have the meaning cited in claim 1, and areintermediate products for the production of compounds of formula (I).