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Double Hydroboration of Quinolines via Borane Catalysis: Diastereoselective One Pot Synthesis of 3-Hydroxytetrahydroquinolines

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Title
Double Hydroboration of Quinolines via Borane Catalysis: Diastereoselective One Pot Synthesis of 3-Hydroxytetrahydroquinolines
Author(s)
Kim, E; Hyun Ji Jeon; Sehoon Park; Sukbok Chang
Subject
Lewis acidic borane, ; hydroboration, ; consecutive reaction, ; ionic mechanism, ; diastereoselectivity
Publication Date
2020-01
Journal
ADVANCED SYNTHESIS & CATALYSIS, v.362, no.2, pp.308 - 313
Publisher
WILEY-V C H VERLAG GMBH
Abstract
Described herein is an organoborane-catalysed consecutive borylative reduction of quinolines and isoquinolines to furnish tetrahydro(iso)quinolines bearing a C(sp(3))-B bond beta to the nitrogen atom. The installed C-B bond is oxidatively transformed to the hydroxy group in one pot. The present double hydroboration is proposed to proceed via a stepwise ionic mechanism involving a boronium ion. The stereo-outcome was found to be dependent on the position (C2 vs C4) of the substituents in quinolines. © 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
URI
https://pr.ibs.re.kr/handle/8788114/7269
DOI
10.1002/adsc.201901050
ISSN
1615-4150
Appears in Collections:
Center for Catalytic Hydrocarbon Functionalizations(분자활성 촉매반응 연구단) > 1. Journal Papers (저널논문)
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