Annelation Reactions of 4-Alkynylcyclobutenones. Formation of Methylenebenzofurans

DOI: 10.1021/jo00021a026

Source and publish data:

Journal of Organic Chemistry p. 6104 - 6109 (1991)

Update date:2022-08-05

Topics: Formation Annelation Reactions

Authors:

Xu, Simon L.

Taing, Meng

Moore, Harold W.

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Article abstract of DOI:10.1021/jo00021a026

Thermolysis of a number of 4-alkynyl-4-(propargyloxy)cyclobutenones is reported.These studies show a remarkable rearrangement to methylenebenzofurans accompanied by remote alkene formation.The mechanism and scope of the reactions are descussed.

Full text of DOI:10.1021/jo00021a026

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