名称:
Synthesis of a highly reactive 1,1-dicyanomethylene-1-dethiacephalosporin
摘要:
Synthesis of the 1,1-dicyanomethylene-1-dethiacephalosporin 1a is described. Substitution of the dicyanomethylene moiety for sulfur at position 1 of the cephem nucleus resulted in a highly reactive beta-lactam antibacterial.
DOI:
10.1016/s0040-4039(00)60017-5