Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...
Patent
1992-05-27
1993-07-06
Berch, Mark L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Unsubstituted hydrocarbyl chain between the ring and the -c-...
C07D205085, C07D40506
Patent
active
052255530
ABSTRACT:
Disclosed is a process using hydrolysis and hydrogenation for converting enamino .beta.-lactams to their saturated alkyl ester acid salts, key intermediates to 1-carbacephalosporins. Also disclosed are intermediates resulting from the process.
REFERENCES:
patent: 4260743 (1981-04-01), Bose
patent: 4440682 (1984-04-01), Bose
patent: 4673737 (1987-06-01), Evans et al.
patent: 4734498 (1988-03-01), Cooper
patent: 4931556 (1990-06-01), Boyer et al.
M. Hatanaka et al., "A Simple Synthesis of (.+-.)-1-Carbacephem Derivatives".
Tet. Letters, 24, No. 44, pp. 4837-4838 (1983) Hirai, Chemical Abstract, 106, No. 5, p. 519, Col. 1; 32, 729t.
Dane, Chem. Ber. 98, 789 (1965).
Sharma, Indian J. Chem. 2321 (1980).
Geiger, Peptides, 3, p. 1, 45.
Bose, Tetrahedron, 37, 2321 (1980).
Gunda, Act. Chem. Scand., 37B, 75 (1983).
Chauvette, J. Med. Chem., 18, 403 (1975).
Aikins James A.
Tao Eddie V.
Berch Mark L.
Eli Lilly and Company
Sales James J.
Whitaker Leroy
LandOfFree
Intermediates to 1-carbacephalosporins and process for preparati does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Intermediates to 1-carbacephalosporins and process for preparati, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Intermediates to 1-carbacephalosporins and process for preparati will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1691005