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An Alternate Energy-Conserved Pathway for the Morita-Baylis-Hillman (MBH) Reaction

preprint
revised on 19.07.2020 and posted on 20.07.2020 by Veejendra Yadav
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.

History

Email Address of Submitting Author

vijendra@iitk.ac.in

Institution

Indian Institute of Technology Kanpur

Country

India

ORCID For Submitting Author

0000-0001-8294-0677

Declaration of Conflict of Interest

There is no conflict of interest.

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