Kamiya, T., et al., "Tentative Protection of Carboxyl Groups," Chem. Abstracts 82 (1975), p. 517, No. 112093g. |
Kamiya, T., et al., "Carboxy Group-Containing Compounds," Chem. Abstracts 82 (1975), p. 501, No. 3138p. |
Kametani, T., et al., "The Deblocking of Cephalosporin Benzhydryl Esters With Formic Acid," Chem. Abstracts 98 (1983), p. 625, No. 179032k. |
Webber, J. A., et al., "Chemistry of Cephalosporin Antibiotics, XVII. Functionalization of Deacetoxycephalosporin. The Conversion of Penicillin into Cephalosporin," J. Am. Chem. Soc. 91 (20), p. 5974 (1969). |
Ogliaruso, M. A., et al., Synthesis of Carboxylic Acids, Esters, and Their Derivatives; J. Wiley and Sons 1991, pp. 229-230. |
Chandrasekaran, S., et al., "Synthesis of Substituted .beta.-lactams by Addition of Nitromethane to 6-Oxopenicillanates and 7-Oxocephalosporanates," J. Org. Chem. 42 (24), 3972 (1977). |
S. Torii et al., J. Org. Chem. 56:3633 (1991). |
H. Kamachi et al., J. Antibiotics 41(11):1602 (1988). |
K. Fujimoto et al., J. Antibiotics 40(3):370 (1987). |
T. Nishimura et al., J. Antibiotics 40(1):81 (1987). |
E. Defossa et al., Abstract No. 187, Cefdaloxime Pentexil Tosilate (HR916K): a Diastereomerically Pure Novel Oral Cephalosporinester: Synthesis and Antibacterial Activity In Vivo (Oct. 11-14, 1991). |
D. Isert et al., Abstract No. 188, Cefdaloxime Pentexil Tosilate (HR916K): a Diastereomerically Pure Novel Oral Cephalosporinester with Outstanding Absorption Characteristics (Oct. 11-14, 1991). |
"Cefpodoxime Proxetil", Drugs of the Future, 14(1):73-74 (1989). |
"SCE-2174", Drugs of the Future, 13(3):231-233 (1988). |
"Cefuroxime Axetil", Drugs of the Future, 10(2):112-113 (1985). |
"Antibiotic Activity of CL 118,673, a New Oral Cephalosporin", N. A. Kuck et al., Recent Advances In Chemotherapy, Proceedings of the 14th Int'l. Congress of Chemotherpay, Antimicrobial Section 2, pp. 1137-1138 (1985). |
Improved Synthesis of an Ester-Type Prodrug, 1-Acetoxyethyl 7-[(Z)-2-(2-Aminothiazol-4-yl)-2-Hydroxyiminoacetamido]-3-[(Z)-1-Propenyl]-3-Cephem-4-Carboxylate (BMY-28271), Hajime Kamachi et al., The Journal of Antibiotics, vol. XLIII(12):1564-1572 (1990). |
"Beta-Lactam Compounds", Chemical Abstracts, 102:220658k (1985). |
"Cephalosporin derivatives", Chemical Abstracts, 102:220657j (1985). |