An Alternate Energy-Conserved Pathway for the Morita-Baylis-Hillman (MBH) Reaction
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Abstract
An new overall lower energy pathway for the amine-catalysed Morita-Baylis-Hillman reaction is proposed from computations at the M06-2X/6-311++G(d,p) level. The pathway involves proton-transfer from the ammonium ion to the alkoxide formed from the aldol reaction through a seven-membered ring transition state (TS) structure followed by highly exothermic Hofmann elimination through a five-membered ring TS structure to form the product and also release the catalyst to carry on with the process all over again.
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- last seen: 2026-05-19T01:45:01.086888+00:00