The direct intramolecular acylation and alkylation of the phenylsulfonylmethyl-group in the β-lactames 5a and 7 are not successful.The postulated intermediate 8 of the acylating reaction could be quenched with trimethylchlorosilane as the stable silylketa
Santer, G.,Ongania, K. H.
p. 71 - 78
(2007/10/02)
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