CLAISEN REARRANGEMENT OF ARYL PROPARGYL ETHERS IN POLY(ETHYLENE GLYCOL) - A REMARKABLE SUBSTITUENT AND SOLVENT EFFECT

DOI: 10.1016/S0040-4039(01)99839-9

Source and publish data:

Tetrahedron Letters p. 5023 - 5024 (1983)

Update date:2022-08-04

Topics:

Authors:

Rao, Usha

Balasubramanian, K. K.

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Article abstract of DOI:10.1016/S0040-4039(01)99839-9

The Claisen rearrangement of aryl propargyl ethers in poly(ethylene glycol)-200 at 220 ^o 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.

Full text of DOI:10.1016/S0040-4039(01)99839-9

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