Montmorillonite Supported Borohydride: A New Reducing Agent for Reductions Under Phase Transfer Conditions |
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| Authors: | A Sarkar B R Rao M M Konar |
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| Affiliation: | 1. Chemistry Division, Department of Applied Sciences , Indian School of Mines , Dhanbad , INDIA;2. Chemistry Division, Department of Applied Sciences , Indian School of Mines , Dhanbad , INDIA;3. Department of Fuel and Mineral Engineering |
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| Abstract: | A few cyclic and acyclic ketones were reduced in dichloro-methane, using reducing agents prepared from reusable montmorillonite clay supported phase transfer catalyst. A high percentage of axial attack (76–100%) by hydrides on substituted cyclohexanones observed, has been rationalised on the basis of a four center cyclic transition state for the clay absorbed ketone. |
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