1985 年 33 巻 10 号 p. 4371-4381
Racemic and optically active 2-(heteroaromatic) thiomethyl penems having a 1-(hydroxymethyl) ethylidene or cyclic carbonate side-chain at C-6 (24, 51, 63, 65, 37, 40, 69 and 21b, 61b, 26b, 30b, 64b, 35b, 66b, 39b, 68b) were synthesized, and their antibacterial activities are determined.