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Synlett 2000; 2000(4): 538-540
DOI: 10.1055/s-2000-6569
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YCl3-Catalyzed Highly Selective Conversion of Arylglyoxal to α-Aryl-α-Hydroxyacetic Ester: Dramatic Influence of Base

Pravin R. Likhar* , Ananda K. Bandyopadhyay
  • *Metalorganic Laboratory, Inorganic Chemistry Division, Indian Institute of Chemical Technology, Hyderabad 500 007, India; Fax +40-7 17-09 21; E-mail: akbandyopadyay@iict.ap.nic.in
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Publication Date:
31 December 2000 (online)

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Yttrium chloride catalyzed reaction of arylglyoxal and alcohol resulted in highly selective formation of α-aryl-α-hydroxyacetic ester under the influence of an added base (triethylamine, pyridine, piperidine) and afforded acetal in the absence of the base. The possible role of the additive (base) is discussed.

lanthanide catalysis - 1,2-hydride shift - mandelic ester - yttrium chloride - aryl glyoxal

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