Photocyclization of 2,6-Dichlorocinnamic Acid Derivatives to 5-Chlorocoumarin

DOI: 10.1021/jo00163a032

Source and publish data:

Journal of Organic Chemistry p. 2578 - 2583 (1983)

Update date:2022-08-04

Topics:

Authors:

Arad-Yellin, R.

Green, B. S.

Muszkat, K. A.

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Article abstract of DOI:10.1021/jo00163a032

On UV irradation, 2,6-dichlorocinnamic acid and its esters undergo photocyclization with elimination of the elements of HCl or RCl (R = alkyl or aryl) to yield 5-chlorocoumarin (2); amide derivatives yield the corresponding imino analogues.Low-temperature

Full text of DOI:10.1021/jo00163a032

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