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ChemInform Abstract: Boronated Thiophenols: A Preparation of 4-Mercaptophenylboronic Acid and Derivatives.

✍ Scribed by Abdelghani Brikh; Christophe Morin

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

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✦ Synopsis

1999 organo-boron compounds, isocyclic C derivatives organo-boron compounds, isocyclic C derivatives S 0044

39 -146

Boronated Thiophenols: A Preparation of 4-Mercaptophenylboronic Acid and Derivatives.

-The title boronic acid (III) is prepared by an efficient method starting with Tbs-protected thiol (I). Tbs is found to be the most suitable protecting group that allows subsequent regeneration of the mercapto group after boration. Acid (III) is S-alkylated with bromide (IV) without protection of the boronic acid group. Treatment of protected boron compound (IX) with TFA removes only the ester group. -(BRIKH,

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