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公开(公告)号：MTP948A
公开(公告)日：1985-01-23
申请号：MTP948
申请日：1984-05-03
Applicant: HOECHST AG
Inventor： KIRRSTETTER REINER , DURCHHEIMER WALTER , LATTRELL RUDOLPH , SCHWAB WILFRED
IPC: A61K31/425 , A61K31/545 , C07D20060101 , C07D501/00 , C07D501/04 , C07D501/06 , C07D501/38 , C07D501/46 , C07D501/56 , C07D501/57 , C07D519/00
CPC classification number: C07D501/46
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公开(公告)号：MTP948B
公开(公告)日：1985-01-23
申请号：MTP948
申请日：1984-05-03
Applicant: HOECHST AG
Inventor： KIRRSTETTER REINER , DURCHHEIMER WALTER , LATTRELL RUDOLPH , SCHWAB WILFRED
IPC: A61K31/425 , A61K31/545 , C07D20060101 , C07D501/00 , C07D501/04 , C07D501/06 , C07D501/38 , C07D501/46 , C07D501/56 , C07D501/57 , C07D519/00
Abstract: Process for the preparation of cephem compounds of the formula wherein R is optionally substituted aminothiazolyl or amino-1,2,4-thiadiazolyl, A is optionally substituted pyridinium, R1 is hydrogen or methoxy and R2 are special aliphatic substituents, by a nucleophilic replacement in the substituent in 3-position in the presence of tri-C1C4-alkyl iodosilane.
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公开(公告)号：MTP947B
公开(公告)日：1985-01-17
申请号：MTP947
申请日：1984-05-03
Applicant: HOECHST AG
Inventor： KIRRSTETTER REINER , DURCHHEIMER WALTER , LATTRELL RUDOLPH , SCHWAB WILFRED
IPC: C07D501/04 , A61K31/425 , A61K31/545 , C07D20060101 , C07D501/00 , C07D501/06 , C07D501/38 , C07D501/46 , C07D501/56 , C07D501/57
Abstract: Process for the preparation of cephem compounds of the formula
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公开(公告)号：MTP947A
公开(公告)日：1985-01-17
申请号：MTP947
申请日：1984-05-03
Applicant: HOECHST AG
Inventor： KIRRSTETTER REINER , DURCHHEIMER WALTER , LATTRELL RUDOLPH , SCHWAB WILFRED
IPC: C07D501/04 , A61K31/425 , A61K31/545 , C07D20060101 , C07D501/00 , C07D501/06 , C07D501/38 , C07D501/46 , C07D501/56 , C07D501/57
CPC classification number: C07D501/46
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