Journal of Organic Chemistry p. 2578 - 2583 (1983)
Update date:2022-08-04
Topics:
Arad-Yellin, R.
Green, B. S.
Muszkat, K. A.
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
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