Choudhary, Vasant R. ; Mantri, Kshudiram ; Jana, Suman K. (2001) Selective esterification of tert-butanol by acetic acid anhydride over clay supported InCl3, GaCl3, FeCl3 and InCl2 catalysts Catalysis Communications, 2 (2). pp. 57-61. ISSN 1566-7367
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S15667...
Related URL: http://dx.doi.org/10.1016/S1566-7367(01)00010-3
Abstract
Clay (kaolin, mont-K10 and mont-KSF) supported InCl3, GaCl3, FeCl3 and ZnCl2 catalysts (metal chloride LOADING=1.1 mmol g-1) show high selectivity (≥98%) at high conversion in the esterification of tert-butanol by acetic anhydride to tert-butyl acetate (t-BA) and very low activity for the dehydration of tert-butanol at ≤50°C. For all the catalysts, mont-K10 is the best support and the order of their esterification activity (at 26°C) is: InCl3/mont-K10 (TOF=0.025 s-1) > GaCl3/mont-K10 (0.023 s-1) > FeCl3/mont-K10 (0.02 s-1) ≥ ZnCl2/mont-K10 (0.019 s-1). InCl3/mont-K10 is highly active, selective and reusable catalyst for the esterification.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Esterification of Tert-butanol; Esterification by Acetic Anhydride; Clay Supported InCI3 Catalyst; Clay Supported GaCI3 Catalyst; Clay Supported Metal Chloride Catalysts |
| ID Code: | 10502 |
| Deposited On: | 03 Nov 2010 11:48 |
| Last Modified: | 28 May 2011 11:43 |
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