Synthesis of optically active hydrotrispyrazolylborate ligand and its uses in copper catalysed enantioselective cyclopropanation reaction | Health & Environmental Research Online (HERO)

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HERO ID

6594735

Reference Type

Journal Article

Title

Synthesis of optically active hydrotrispyrazolylborate ligand and its uses in copper catalysed enantioselective cyclopropanation reaction

Author(s)

Babbar, P; Brunner, H; Singh, UP; ,

Year

2001

Is Peer Reviewed?

Journal

Indian Journal of Chemistry. Section A
ISSN: 0376-4710
EISSN: 0975-0975

Publisher

NATL INST SCIENCE COMMUNICATION

Location

NEW DELHI

Volume

Issue

Page Numbers

225-227

Language

English

Web of Science Id

WOS:000167657400001

URL

https://www.scopus.com/inward/record.uri?eid=2-s2.0-0035043544&partnerID=40&md5=296ff44b2f091dedc4bec715a7439784
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Abstract

We report the synthesis and characterization of optically active hydrotris-(4,5,6,7-tetrahydro-7,8,8-trimethyl- 4,7-methanoindezolyl)borate [NaHB(camphpz)(3)] (2) ligand. bl situ catalysts - copper(I) or copper(II)/[NaHB(camphpz)(3)] catalysed the cyclopropanation of styrene and ethyl diazoacetate with ee's of up to 40 % and chemical yield of up to 67 %.