Tetrahedron Letters p. 2005 - 2008 (1989)
Update date:2022-09-26
Topics:
Pitlik, Janos
Miskolczi, Istvan
Koever, Katalin E.
Jaszberenyi, Csaba J.
Sztaricskai, Ferenc
In the reaction of a vinylcephalosporin (2) with diazoalkanes the initially formed 3-pyrazolinocephalosporins (3) underwent further reactions leading either to bispyrazolinocephalosporins (5) or to cyclopropylcephalosporins (6).
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