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Novel reductive coupling cyclization of 1,1-dicyanoalkenes promoted by metallic samarium in aqueous media

โœ Scribed by Lei Wang; Yongmin Zhang

Publisher
Elsevier Science
Year
1998
Tongue
French
Weight
207 KB
Volume
39
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

The reductive coupling cyclization of 1,I-dicyanoalkenes was performed with metallic samarium in saturated aqueous NH4CI-THF solution at room temperature. Sub-stoichiometric quantities of samarium could be employed and trans-isomer was the major product.

๐Ÿ“œ SIMILAR VOLUMES

Metallic samarium promoted reductive dim
Metallic samarium promoted reductive dimerization cyclization of gem-diactivated alkenes, reductive debromination of vic-dibromides, and reduction of sodium alkyl thiosulfates in aqueous media
โœ Lei Wang; Yongmin Zhang ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 902 KB

In saturated NH4CI (aq.)-THF solution at room temperature, metallic samarium promoted reductive dimerization cyclization of gem-diactivated alkenes, reductive debromination of vic-dibromides, and reduction of sodium alkyl thiosulfates occur to afford corresponding functionalized cyclopentenes, (E)-a