COPPER(I)-INDUCED RADICAL CYCLIZATION OF DIETHYL o-(ALLYLOXY)PHENYLMALONATES TO CHROMAN DERIVATIVES

DOI: 10.1246/cl.1984.1931

Source and publish data:

Chemistry Letters p. 1931 - 1934 (1984)

Update date:2022-08-02

Topics:

Authors:

Setsune, Jun-ichiro

Ueda, Takashi

Matsukawa, Kimihiro

Kitao, Teijiro

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Article abstract of DOI:10.1246/cl.1984.1931

The reaction of o-(allyloxy)bromobenzenes with copper(I) diethyl malonate afforded diethyl o-(allyloxy)phenylmalonates which under the reaction conditions cyclized to give 4,4-bis(ethoxycarbonyl)-3-methylchromans, 4,4-bis(ethoxycarbonyl)-3-methylenechromans, and 3-(3-butenyl)-4,4-bis(ethoxycarbonyl)chromans.

Full text of DOI:10.1246/cl.1984.1931

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