Anhydropenicillin intermediates

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

514192, 514194, 260239A, C07D49900, A61K 31425

Patent

active

045966770

ABSTRACT:
A novel stereocontrolled process is disclosed for converting 6-aminopenicillanic acid to an optically active azetidinone of the formula ##STR1## wherein R" is a hydroxy-protecting group by use of a 6,6-dihaloanhydropenicillin or 6,6-bis(phenylselenyl)anhydropenicillin intermediate.

REFERENCES:
patent: 3311638 (1967-03-01), Wolfe
patent: 3950352 (1976-04-01), Wolfe
patent: 4356120 (1982-10-01), Christensen et al.
Heterocycles 17: 201-207 (1982) Hirai et al.
J. Org. Chem. 42: 2960-2965 (1977) DiNinno et al.
Tetrahedron Letters 23(39): 4021-4024 (1982) Hirai et al.
Tetrahedron Letters 23(22): 2293-2296 (1982) Reider et al.
Chem. Pharm. Bull 29(11): 3158-3172 (1981) Hayashi et al.

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

Anhydropenicillin intermediates does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-2084488

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