共 18 条
[2]
SYNTHESES BASED ON 1,2-SECOPENICILLINS .5. PENICILLIN ANALOGS WITH ELECTRON-WITHDRAWING 2-SUBSTITUENTS
[J].
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1,
1977, (22)
:2479-2487
[4]
CHERRY PC, 1980, TETRAHEDRON LETT, P561
[5]
Clauss K., 1974, LIEBIGS ANN CHEM, P539
[10]
LOMBARDI P, 1979, TETRAHEDRON LETT, P3777