Roa, Usha ; Balasubramanian, K. K. (1983) Claisen rearrangement of aryl propargyl ethers in poly(ethylene glycol)- a remarkable substituent and solvent effect Tetrahedron Letters, 24 (45). pp. 5023-5024. ISSN 0040-4039
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00404...
Related URL: http://dx.doi.org/10.1016/S0040-4039(01)99839-9
Abstract
The Claisen rearrangement of aryl propargyl ethers in poly(ethylene glycol) - 200 at 200°C affords products in good yields. Aryl propargyl ethers containing electron donating groups yield (2H)-benzopyrans and those containing electron withdrawing groups yield 2-methylbenzofurans.
Item Type: | Article |
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Source: | Copyright of this article belongs to Elsevier Science. |
ID Code: | 3740 |
Deposited On: | 18 Oct 2010 09:53 |
Last Modified: | 13 May 2011 07:48 |
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