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Showing 1 to 1 of 1 for “"5-dihydro-1"”.
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The Multicomponent Synthesis of Pyrroles from Cylcopropane S Using a One Pot Pd(0) Catalyzed Dehydrocarbonylation Protocol
… take place resulting in the formation of a 4,5-dihydro-1,2-oxazine. This motif contains a vinylogously acidic proton which is extremely labile and easily deprotonated. Under basic conditions this proton is removed and consequently the N-O bond is cleaved and subsequent condensation occurs …