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One-step preparation of some 2-isopropenyl-2,3-dihydronaphtho-[2,3-b]furan-4,9-diones

✍ Scribed by Seiji Yamaguchi; Toshiharu Katsuki; Hajime Yokoyama; Yoshiro Hirai

Publisher
Journal of Heterocyclic Chemistry
Year
2001
Tongue
English
Weight
48 KB
Volume
38
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

Some 2‐isopropenyl‐2,3‐dihydronaphtho[2,3‐b]furan‐4,9‐diones la‐f,b',f were prepared by one‐step cyclizations of 2‐hydroxy‐1,4‐naphthoquinones 2a‐f with 1,4‐dibromo‐2‐methyl‐2‐butene (3).

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