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ChemInform Abstract: The Reaction of α,β-Acetylenic Ketones with Dicyclohexylborane: Stereoselective Synthesis of Functionalized Trisubstituted Olefins.

✍ Scribed by George W. Kabalka; Su Yu; Nan-Sheng Li; Ute Lipprandt

Publisher
John Wiley and Sons
Year
2010
Weight
31 KB
Volume
30
Category
Article
ISSN
0931-7597

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✦ Synopsis

The Reaction of α,β-Acetylenic Ketones with Dicyclohexylborane: Stereoselective Synthesis of Functionalized Trisubstituted Olefins.

-α,β-Acetylenic ketones (I) (6 compounds) undergo 1,4-addition of dicyclohexylborane to give allenoxyborinate intermediates which react with excess starting ketone to form functionalized trisubstituted olefins (II). -(KABALKA,

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