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Claisen rearrangement of aryl propargyl ethers in poly(ethylene glycol)- a remarkable substituent and solvent effect
Date Issued
01-01-1983
Author(s)
Roa, Usha
Balasubramanian, K. K.
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. © 1983.
Volume
24