Process for the preparation of cephem derivatives and intermedia

Details Process for the preparation of cephem derivatives and intermedia Process for the preparation of cephem derivatives and intermedia

1990-01-22

1992-07-07

Bond, Robert T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540225, C07D50124

Patent

active

051284650

ABSTRACT:
A cephem derivative represented by the following formula: ##STR1## wherein R.sub.1 means a fluorine-substituted lower alkyl and A.sub.1 denotes a cyclic or acyclic ammonio group, or a non-toxic salt thereof, is prepared by reacting a compound represented by the following formula: ##STR2## wherein A.sub.1 has the same meaning as defined above, with another compound represented by the following formula: ##STR3## wherein R.sub.1 has the same meaning as defined above, and if necessary, removing the protecting groups.

REFERENCES:
patent: 4486586 (1984-12-01), Narita et al.
patent: 4632918 (1986-12-01), Angerbauer et al.
patent: 4751295 (1988-06-01), Oka et al.
patent: 4921850 (1990-05-01), Kamiya et al.

Affiliated with

Also associated with

Rating

Process for the preparation of cephem derivatives and intermedia does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the preparation of cephem derivatives and intermedia, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of cephem derivatives and intermedia will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1831040