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Stereochemistry of the cycloaddition reaction of 1,2-dicyano-1,2-bis(trifluoromethyl)ethylene with transition metal-propargyl complexes

โœ Scribed by J.P. Williams; A. Wojcicki

Book ID
114041564
Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
129 KB
Volume
15
Category
Article
ISSN
0020-1693

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A novel reaction of 1,1-dicyano-2-bis (trifluoromethyl) ethylenes (I) with aryl amines in the presence of carbonyl compounds leading to the trifluoromethyl substituted derivatives of 1,4-dihydropyridine is found and investigated. ## J X=CF,,CO,AIk The cyclization reactions (I) with classic enamin