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Diels-Alder reactions of 2-alkynoyl chlorides with cyclopentadiene: a reinvestigation

✍ Scribed by Baeuml, Englbert; Mayr, Herbert


Book ID
120492884
Publisher
American Chemical Society
Year
1983
Tongue
English
Weight
322 KB
Volume
48
Category
Article
ISSN
0022-3263

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Mercuracarborand-catalyzed Diels-Alder r
✍ Hans Lee; Martin Diaz; M.Frederick Hawthorne πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 French βš– 302 KB

The multidentate Lewis acids B-octamethyl [12]-mercuracarborand-4 (1) and B-hexamethyl [9]mercuracarborand-3 (2) catalyze the Diels-Alder reaction of a thionoester 4 with cyclopentadiene. The reaction proceeds more rapidly when catalyzed with 1 and 2 than with monodentate bis(closo-9,12-dimethyl-1,2