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Environmentally clean synthesis of diphenylmethanes using silica gel-supported ZnCl2 and FeCl3

✍ Scribed by Bhushan M. Khadilkar; Shobha D. Borkar

Publisher: Wiley (John Wiley & Sons)
Year: 1998
Tongue: English
Weight: 191 KB
Volume: 71
Category: Article
ISSN: 0268-2575
DOI: 10.1002/(sici)1097-4660(199803)71:3<209::aid-jctb786>3.0.co;2-z

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✦ Synopsis

Lewis acids such as and were supported on silica gel, FeCl 3 ZnCl 2 alumina, zirconia and titania by co-grinding with anhydrous Lewis acids in appropriate proportions in an agate mortar. The catalysts have good shelf life and reusability. Synthesis of diphenylmethanes with these catalysts was studied ; silica gel was the best support.

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