Synthesis of unusual naphtho[2,1-b]furans and novel 1h-benz[e]indolinones via selective intramolecular cyclization
The 2-(2-methoxy-l-naphthyl)-3-oxobutanamides were treated with concentrated hydrochloric acid in acetic acid at room temperature to exclusively give the unusual 5-chloronaphtho[2,1-b]furans in moderate to excellent yields. The same reaction was carried o
Cong, Zhi-qi,Nishino, Hiroshi
experimental part
p. 397 - 413
(2009/06/18)
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