Preparative Organic Chemistry
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ChemInform Abstract: Thermal Claisen Rearrangement of Aryl Allenylmethyl Ethers: Synthesis of 2-(o-Hydroxyaryl)buta-1,3-dienes and 4-Methyl-2H-1-benzopyrans.
First published: April 6, 1993
Abstract
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ChemInform Abstract
Thermal Claisen rearrangement of the aryl allenylmethyl ethers (I) leads to the formation of the (hydroxyaryl)buta-1,3-dienes (II) and the 4-methyl-2H-1-benzopyrans (III) depending on the reaction conditions used.
