共 15 条
- [2] CHERRY PC, 1980, TETRAHEDRON LETT, P561
- [4] GANGULY AK, 1981, J ANTIMICROB AGENTS, V9, P1
- [5] GIRIYAVALLABHAN VM, 1981, TETRAH LETT, P3485
- [6] HAYASHI T, 1981, CHEM PHARM BULL, V29, P3158
- [9] LOMBARDI ALP, 1981, TET LETT, V22, P235
- [10] NUCLEAR ANALOGS OF BETA-LACTAM ANTIBIOTICS .14. SYNTHESIS OF PENEMS VIA (4-TRITYLTHIO-2-AZETIDINON-1-YL)TRIPHENYLPHOSPHORANYLIDENEACETATES [J]. CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 1982, 60 (07): : 942 - 944