The penems, a new class of .beta.-lactam antibiotics. 2. Total synthesis of racemic 6-unsubstituted representatives
1979 ◽
Vol 101
(21)
◽
pp. 6296-6301
◽
1980 ◽
Vol 102
(6)
◽
pp. 2039-2043
◽
1985 ◽
Vol 78
(6)
◽
pp. 3-21
◽
1978 ◽
Vol 21
(5)
◽
pp. 413-415
◽
1986 ◽
Vol 39
(4)
◽
pp. 525-534
◽