
Tetrahedron Letters p. 9601 - 9604 (1994)
Update date:2022-08-04
Topics:
Katsura, Yousuke
Aratani, Matsuhiko
A novel preparative pathway for diphenylmethyl 7 β-amino-3-vinylceph-3-em-4 carboxylate from 3-chloromethyl derivative is described. As a convenient protecting group for the 7-amino function in a Wittig reaction, six membered azine derivatives incorporati
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(1990)