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Radical trans-Hydroboration of Substituted 1,3-Diynes with an N-Heterocyclic Carbene Borane.
Takahashi, Kosuke; Geib, Steven J; Maeda, Katsuhiro; Curran, Dennis P; Taniguchi, Tsuyoshi.
Affiliation
  • Geib SJ; Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States.
  • Curran DP; Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States.
Org Lett ; 23(3): 1071-1075, 2021 Feb 05.
Article in En | MEDLINE | ID: mdl-33481616
ABSTRACT
Monohydroboration of substituted 1,3-diynes with an N-heterocyclic carbene borane (NHC-borane) occurs under radical conditions using an azo initiator, such as ACCN and AIBN, and a thiol as a polarity-reversal catalyst. The reaction is highly regio- and stereoselective and provides stable NHC-(E)-alkynylalkenylboranes.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Org Lett Journal subject: BIOQUIMICA Year: 2021 Document type: Article
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Org Lett Journal subject: BIOQUIMICA Year: 2021 Document type: Article