Jules God--Carles
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View article: Synthesis of unique 1,2-diazepine-fused b-lactams via Staudinger-type [2+2] cyclization
Synthesis of unique 1,2-diazepine-fused b-lactams via Staudinger-type [2+2] cyclization Open
Herein, we report a one-pot sequence to prepare 1,2-diazepine fused b-lactams under photochemical irradiation. Hence, a-diazoketones are readily converted to corresponding ketenes in an additive-free Wolff rearrangement. The operative mech…