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Title: Pinacol coupling of aromatic aldehydes and ketones mediated by TiCl₄-Zn in ethyl acetate under ultrasound
Authors: Li, Ji-Tai
Sun, Xue-Li
Lin, Zhi-Ping
Chen, Yan-Xue
Li, Tong-Shuang
Keywords: Pinacol coupling;Aromatic aldehydes;Ketones;Ultrasound irradiation
Issue Date: Aug-2007
Publisher: CSIR
Abstract: Zinc powder can reduce titanium tetrachloride to the corresponding low valent titanium complexes, which can promote coupling of some aromatic aldehydes and ketones to the corresponding pinacols in 35-99% yield in ethyl acetate at 20-25ºC within 20-45 min under ultrasound irradiation.
Page(s): 1303-1307
ISSN: 0376-4699
Appears in Collections:IJC-B Vol.46B(08) [August 2007]

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