Choudhury, Joyanta ; Podder, Susmita ; Roy, Sujit (2005) Cooperative Friedel-Crafts catalysis in heterobimetallic regime: alkylation of aromatics by π-activated alcohols Journal of the American Chemical Society, 127 (17). pp. 6162-6163. ISSN 0002-7863
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Official URL: http://pubs.acs.org/doi/abs/10.1021/ja0506004
Related URL: http://dx.doi.org/10.1021/ja0506004
Abstract
The highly active Friedel-Crafts alkylation (FCA) catalyst, [Ir(COD)Cl(SnCl3)(SnCl4)(arene)]+Cl−(1−SnCl4), is easily generated in one-pot from [Ir(COD)Cl]2 or [Ir(COD)(μ-Cl)Cl(SnCl3)]2 (1) and SnCl4. The reaction of arenes, heteroarenes with benzyl, and allyl alcohols is promoted by 1−SnCl4 (1 mol %) with high turnover frequency. Kinetic evidence is presented to establish FCA pattern. From dual-catalyst combination studies varying the transition metal and main group metal partner, the efficiency of the present catalysts is attributed to the electrophilic "IrIII-SnIV" core.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 42899 |
| Deposited On: | 08 Jun 2011 06:16 |
| Last Modified: | 08 Jun 2011 12:46 |
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