PREPARATION OF 6 BETA-IMIDOPENICILLINATE 1 (S)-OXIDES

[21] LEMKE PA, 1972, CEPHALOSPORINS PENIC, P370

[22] CHEMISTRY OF CEPHALOSPORIN ANTIBIOTICS .3. CHEMICAL CORRELATION OF PENICILLIN AND CEPHALOSPORIN ANTIBIOTICS [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1963, 85 (12) : 1896 - &

[23] INCORPORATION OF (2RS,3S)-[4-C-13]VALINE INTO CEPHALOSPORIN-C [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1973, 95 (11) : 3797 - 3798

[24] SPRY DO, 1972, CEPHALOSPORINS PENIC, P214

[25] STORK G, 1965, J AM CHEM SOC, V87, P3784

[21] LEMKE PA, 1972, CEPHALOSPORINS PENIC, P370

[22] CHEMISTRY OF CEPHALOSPORIN ANTIBIOTICS .3. CHEMICAL CORRELATION OF PENICILLIN AND CEPHALOSPORIN ANTIBIOTICS [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1963, 85 (12) : 1896 - &

[23] INCORPORATION OF (2RS,3S)-[4-C-13]VALINE INTO CEPHALOSPORIN-C [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1973, 95 (11) : 3797 - 3798

[24] SPRY DO, 1972, CEPHALOSPORINS PENIC, P214

[25] STORK G, 1965, J AM CHEM SOC, V87, P3784