Issue 21, 2004
From the journal:

Dalton Transactions

Water-soluble ruthenium(ii) catalysts [RuCl2(η6-arene){P(CH2OH)3}] for isomerization of allylic alcohols and alkyne hydration†

Victorio Cadierno,*a   Pascale Crochet,a   Sergio E. García-Garridoa  and  José Gimeno*a  

* Corresponding authors

a Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica “Enrique Moles” (Unidad Asociada al CSIC), Facultad de Química, Universidad de Oviedo, Oviedo, Spain
E-mail: jgh@uniovi.es, vcm@uniovi.es
Fax: +34985103446
Tel: +34985103461

Abstract

The novel water-soluble ruthenium(II) complexes [RuCl2(η6-arene){P(CH2OH)3}] 2a–c and [RuCl(η6-arene){P(CH2OH)3}2][Cl] 3a–c have been prepared in high yields by reaction of dimers [{Ru(η6-arene)(μ-Cl)Cl}2] (arene = C6H61a, p-cymene 1b, C6Me61c) with two or four equivalents of P(CH2OH)3, respectively. Complexes 2/3a–c are active catalysts in the redox isomerization of several allylic alcohols into the corresponding saturated carbonyl compounds under water/n-heptane biphasic conditions. Among them, the neutral derivatives [RuCl2(η6-C6H6){P(CH2OH)3}] 2a and [RuCl2(η6-p-cymene){P(CH2OH)3}] 2b show the highest activities (TOF values up to 600 h−1; TON values up to 782). Complexes 2/3a–c also catalyze the hydration of terminal alkynes.

Graphical abstract: Water-soluble ruthenium(ii) catalysts [RuCl2(η6-arene){P(CH2OH)3}] for isomerization of allylic alcohols and alkyne hydration

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Article information

DOI
https://doi.org/10.1039/B411177J
Article type
Paper
Submitted
21 Jul 2004
Accepted
22 Sep 2004
First published
04 Oct 2004

Dalton Trans., 2004, 3635-3641

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Water-soluble ruthenium(II) catalysts [RuCl2(η6-arene){P(CH2OH)3}] for isomerization of allylic alcohols and alkyne hydration

V. Cadierno, P. Crochet, S. E. García-Garrido and J. Gimeno, Dalton Trans., 2004, 3635 DOI: 10.1039/B411177J

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