C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/103, 260/108
C07D 501/04 (2006.01) C07D 501/00 (2006.01) C07D 501/16 (2006.01)
Patent
CA 2036208
- 1 - HOE 90/F 045 Abstract of the disclosure A process for the preparation of 7-amino-3-methoxymethyl- ceph-3-em-4-carboxylic acid The compound of the formula Image is prepared by reacting a compound of the formula Image or a suitable salt thereof, with a mixture of methanol, methanesulfonic acid and trifluoromethanesulfonic acid.
Adam Friedhelm
Durckheimer Walter
Horlein Rolf
Mencke Burghard
Adam Friedhelm
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Durckheimer Walter
Hoechst Aktiengesellschaft
Horlein Rolf
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