N. Takeda

REACTION OF ACETOXYAZETIDINONES WITH TRIMETHYLSILYACETYL THIOL ESTERS: PREPARATION OF AZETIDINONE-THIOLESTER PRECURSORS TO CARBAPENEMS

An Efficient Carbapenem Synthesis via an Intramolecular Wittig Reaction of New Trialkoxyphosphorane‐thiolesters.

NEW SYNTHESIS OF PENEMS VIA A REDUCTIVE CYCLIZATION REACTION OF OXALIMIDES WITH TRIALKYL PHOSPHITE

2-(ALKYLTHIO)PENEM-3-CARBOXYLIC ACIDS. III. SYNTHESIS OF 6-ETHYLPENEMS

2-(ALKYLTHIO)PENEM-3-CARBOXYLIC ACIDS. V. SYNTHESIS AND ANTIBACTERIAL ACTIVITIES OF “1-THIATHIENAMYCIN” AND RELATED COMPOUNDS

2-(ALKYLTHIO)PENEM-3-CARBOXYLIC ACIDS. IV. SYNTHESIS OF (HYDROXYETHYL)AZETIDINONE PRECURSORS TO 1-THIA ANALOGS OF THIENAMYCIN

2‐(ALKYLTHIO)PENEM‐3‐CARBOXYLIC ACIDS. I. SYNTHESIS OF 6‐UNSUBSTITUTED PENEMS

DEOXYSUGAR SYNTHESIS. IV. DEOXYGENATION OF AMINOGLYCOSIDE ANTIBIOTICS THROUGH H REDUCTION OF THEIR DITHIOCARBONATES

SELECTIVE O-BENZOYLATION IN AMINOGLYCOSIDE ANTIBIOTICS

DEOXYSUGAR SYNTHESIS. III. REMOVAL OF VICINAL MESYLOXY GROUPS WITH NAPHTHALENE-SODIUM