| 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 to compounds of formula (IV) wherein R and R1 have the meaning cited in claim 1, and are intermediate products for the production of compounds of formula (I).
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| 申请人 |
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 |
