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Syn-anti selectivity in cycloadditions. Part II. Reaction of cyclic nitrones with cis-3,4-disubstituted cyclobutenes

โœ Scribed by C. De Micheli; A. Gamba-Invernizzi; R. Gandolfi


Publisher
Elsevier Science
Year
1975
Tongue
French
Weight
206 KB
Volume
16
Category
Article
ISSN
0040-4039

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๐Ÿ“œ SIMILAR VOLUMES


Syn-anti selectivity of cis-3,4-disubsti
โœ Harald Landen; Birgit Margraf; Hans-Dieter Martin; Alois Steigel ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 196 KB

Cycloadditions of the 3.4-substituted cyclobutenes k, W\_ with diaxoalkanes RR'CNz, R = ii und R' = Ii, alkyl, aryl or alkoxycarbonyl exclusively yield w-adducts. Diphenyll nitrilimine and mesitonitrile oxide mainly undergo &-addition.