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Transmissive Olefination Route to Putative "Morinol I" Lignans
Journal article   Open access   Peer reviewed

Transmissive Olefination Route to Putative "Morinol I" Lignans

Lihua Yao, Bhaskar Pitta, P. C. Ravikumar, Matthew Purzycki and Fraser F. Fleming
Journal of organic chemistry, v 77(7), pp 3651-3657
06 Apr 2012
PMID: 22432777
url
https://europepmc.org/articles/pmc3331789View
Accepted (AM)Open Access (License Unspecified) Open

Abstract

Chemistry Chemistry, Organic Physical Sciences Science & Technology
A series of morinol-type lignans were rapidly assembled using a Grignard-based transmissive olefination. In combination with palladium-catalyzed arylations, the strategy provides stereoselective access to (7Z,7'E), (7E,7'E), and (7E,7'Z) morinol diastereomers and the (7Z,8'E) and (7E,8'E) conjugated analogues. Critical for the E/Z stereoselectivity is a new, general method for converting alkenenitriles to alkenemethanols that circumvents the enal E/Z isomerization commonly encountered during conventional i-Bu2AlH reduction.

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Web of Science research areas
Chemistry, Organic
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