Abstract
Thermal rearrangement of allyl ethers of phenols is the classical example of intramolecular Claisen rearrangement (3,3-sigmatropic shift) [1]. As known, the position of methoxy group in the aromatic ring affects the reaction mechanism. 1-(1-Metyl-2butenoxy)-4-methoxybenzene undergoes the intramolecular rearrangement while 1-(1-methyl-2-butenoxy)3-methoxybenzene takes part not only in the intramolecular process, but also in the intermolecular reaction proceeding with the preliminary cleavage of O–C bond [2]. Rearranement of 1-(1-methyl-2-butenoxy)-2-meth-oxybenzene I was not described before.
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