3-fluorosulfonyloxyceph-3-em compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C07D48704, A61K 31435

Patent

active

054202698

ABSTRACT:
3-Fluorosulfonyloxyceph-3-ems having a protected amino or acylamino group in the 7-position are subject to carbon-carbon bond formation at the 3-position by means of a palladium catalyzed coupling reaction with substituted organostannanes. A process for preparing cefprozil is disclosed.

REFERENCES:
patent: 4520022 (1985-05-01), Hoshi et al.
patent: 4820816 (1989-04-01), Evans et al.
patent: 4820832 (1989-04-01), Cook et al.
patent: 4847373 (1989-07-01), Baker et al.
patent: 4870168 (1989-09-01), Baker et al.
W. J. Scott, "J. Amer. Chem. Soc.", 106 4630-4632 (1984), Palladium-Catalyzed Coupling of Vinyl Triflates with Organostannanes. A Short Synthesis of Pleraplysillin-1.
W. J. Scott, et al., "J. Amer. Chem. Soc.", 108, 3033-3040, (1986), Palladium-Catalyzed Coupling of Vinyl Triflates with Organostannanes. Synthetic and Mechanistic Studies.
J. K. Stille, et al., "J. Amer. Chem. Soc.", 109, 813-817 (1987), Stereospecific Cross-Coupling of Vinyl Halides with Vinyl Tin Reagents Catalyzed by Palladium.
American Chemical Society, 196th National Meeting, Los Angeles, CA, Sep. 25-30, 1988, Div. of Organic Chemistry, Abstract No. 32.
American Chemical Society, 196th National Meeting, Los Angeles, CA, Sep. 25-30, 1988, Div of Organic Chemistry, Abstract No. 402.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

3-fluorosulfonyloxyceph-3-em compounds does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with 3-fluorosulfonyloxyceph-3-em compounds, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 3-fluorosulfonyloxyceph-3-em compounds will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-363053

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.