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Borohydride reduction of pyridinium salts. III. Formation of a Diels-Alder adduct in the reduction of 1-methyl-4-cyanopyridinium iodide.

โœ Scribed by F. Liberatore; A. Casini; V. Carelli; A. Arnone; R. Mondelli

Publisher
Elsevier Science
Year
1971
Tongue
French
Weight
226 KB
Volume
12
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

BOROHYDRIDE

REDUCTION OF PYRIDINIUM SALTS.1 I I.

๐Ÿ“œ SIMILAR VOLUMES

Borohydride reduction of piridinium salt
Borohydride reduction of piridinium salts. IV. Simultaneous low temperature formation of (2+2) and (4+2) cycloadducts in the reduction of 1-methyl-4-cyano-pyridinium iodide
โœ F. Liberatore; A. Casini; V. Carelli; A. Arnone; R. Mondelli ๐Ÿ“‚ Article ๐Ÿ“… 1971 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 244 KB

In a previous paper (1) we reported the formation of the cycloadduct V, in the borohydride reduction of the pyridinium salt I. If the reduction is carried out at -45" in 0.8N methanolic NaOH the insoluble product IV is formed (60% yield), containing only traces of compound V. However, reductions car