NOVEL LEWIS-ACID PROMOTED SPIROANNULATION VERSUS [2-CYCLOADDITION OF DIHYDROFURAN AND DIHYDROPYRAN TO QUINONES(2])

Citation
D. Neville et Ws. Murphy, NOVEL LEWIS-ACID PROMOTED SPIROANNULATION VERSUS [2-CYCLOADDITION OF DIHYDROFURAN AND DIHYDROPYRAN TO QUINONES(2]), Tetrahedron letters, 37(29), 1996, pp. 5221-5224
Citations number
22
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
ISSN journal
00404039
Volume
37
Issue
29
Year of publication
1996
Pages
5221 - 5224
Database
ISI
SICI code
0040-4039(1996)37:29<5221:NLPSV[>2.0.ZU;2-C
Abstract
Dihydrofuran was found to undergo dimethylaluminium chloride promoted [2+2]-cycloaddition with benzo- and naphthoquinone. The first example of a novel spiroannulation was observed with methoxybenzoquinone. With dihydropyran, spiroannulation only, occurred in all cases investigate d. Copyright (C) 1996 Elsevier Science Ltd