Tetrahedron p. 2025 - 2032 (1985)
Update date:2022-08-03
Topics:
Biggadike, K.
Humber, D. C.
Laundon, B.
Long, A. G.
Ramsay, M. V. J.
The N-formamido cephalosporins 4a and 4b undergo direct methoxylation at the 7α-position to give the 7α-methoxy derivatives 5a and 5b.These were converted to other 7β-acylamido compounds by the sequence : oxidation, deformylation, acylation and reduction.
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