Total synthesis of .beta.-lactam antibiotics. Epimerization of 6(7)-aminopenicillins and cephalosporins from .alpha. to .beta.
1974 ◽
Vol 39
(4)
◽
pp. 437-440
◽
1978 ◽
Vol 21
(5)
◽
pp. 413-415
◽
1979 ◽
Vol 101
(21)
◽
pp. 6296-6301
◽
1974 ◽
Vol 96
(24)
◽
pp. 7584-7585
◽
1980 ◽
Vol 102
(6)
◽
pp. 2039-2043
◽