SYNTHESIS OF PENEMS BY RING CONTRACTION OF A 2-THIACEPHEM

[1] CHIRAL CONVERSION OF 6-AMINOPENICILLANIC ACID INTO AN ANTIBACTERIAL PEN-2-EM-3-CARBOXYLIC ACID-DERIVATIVE - ABSOLUTE STRUCTURE FROM X-RAY-ANALYSIS [J]. JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1979, (15) : 665 - 666

[2] BURRI K, 1972, PENICILLINS CEPHALOS, P274

[3] SYNTHESIS OF ANTIBACTERIAL PEN-2-EM-3-CARBOXYLIC ACIDS FROM CLAVULANIC ACID [J]. JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1979, (15) : 663 - 664

[4] PENEMS, A NEW CLASS OF BETA-LACTAM ANTIBIOTICS - 6-ACYLAMINOPENEM-3-CARBOXYLIC ACIDS [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1978, 100 (26) : 8214 - 8222

[5] PENEMS, A NEW CLASS OF BETA-LACTAM ANTIBIOTICS .3. SYNTHESIS OF OPTICALLY-ACTIVE 2-METHYL-(5R)-PENEM-3-CARBOXYLIC ACID [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1979, 101 (21) : 6301 - 6305

[6] BIOLOGICALLY ORIENTED ORGANIC SULFUR CHEMISTRY .21. HYDRODISULFIDE OF A PENICILLAMINE DERIVATIVE AND RELATED-COMPOUNDS [J]. JOURNAL OF ORGANIC CHEMISTRY, 1981, 46 (07) : 1374 - 1377

[7] AZAPENEMS - SYNTHESIS OF 4-SUBSTITUTED 7-OXO-1,4-DIAZABICYCLO[3.2.0]-HEPT-2-ENE CARBOXYLATES [J]. JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1981, (24) : 1269 - 1271

[8] JOHNSON G, 1981, ROYAL SOC CHEM SPECI, V38, P170

[9] MCMILLAN I, 1968, J CHEM SOC C, P2535

[10] 1974, Patent No. 3855130

[1] CHIRAL CONVERSION OF 6-AMINOPENICILLANIC ACID INTO AN ANTIBACTERIAL PEN-2-EM-3-CARBOXYLIC ACID-DERIVATIVE - ABSOLUTE STRUCTURE FROM X-RAY-ANALYSIS [J]. JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1979, (15) : 665 - 666

[2] BURRI K, 1972, PENICILLINS CEPHALOS, P274

[3] SYNTHESIS OF ANTIBACTERIAL PEN-2-EM-3-CARBOXYLIC ACIDS FROM CLAVULANIC ACID [J]. JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1979, (15) : 663 - 664

[4] PENEMS, A NEW CLASS OF BETA-LACTAM ANTIBIOTICS - 6-ACYLAMINOPENEM-3-CARBOXYLIC ACIDS [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1978, 100 (26) : 8214 - 8222

[5] PENEMS, A NEW CLASS OF BETA-LACTAM ANTIBIOTICS .3. SYNTHESIS OF OPTICALLY-ACTIVE 2-METHYL-(5R)-PENEM-3-CARBOXYLIC ACID [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1979, 101 (21) : 6301 - 6305

[6] BIOLOGICALLY ORIENTED ORGANIC SULFUR CHEMISTRY .21. HYDRODISULFIDE OF A PENICILLAMINE DERIVATIVE AND RELATED-COMPOUNDS [J]. JOURNAL OF ORGANIC CHEMISTRY, 1981, 46 (07) : 1374 - 1377

[7] AZAPENEMS - SYNTHESIS OF 4-SUBSTITUTED 7-OXO-1,4-DIAZABICYCLO[3.2.0]-HEPT-2-ENE CARBOXYLATES [J]. JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1981, (24) : 1269 - 1271

[8] JOHNSON G, 1981, ROYAL SOC CHEM SPECI, V38, P170

[9] MCMILLAN I, 1968, J CHEM SOC C, P2535

[10] 1974, Patent No. 3855130