Colloid and nanodimensional catalysts in organic synthesis: VIII. Hydrogenation of C=N bond with hydrogen in the presence of colloid nickel
摘要:
Hydrogenation of azomethines with hydrogen at atmospheric pressure using nickel nanoparticles as catalyst was carried out. Reaction may be used for the preparation of secondary amines under mild conditions on an available catalyst. Continuation of studies will lead to development of a convenient method for the reductive amination of carbonyl compounds.
Electrochemical synthesis of C(sp3)-rich amines by aminative carbofunctionalization of carbonyl compoundsElectrochemical aminative carbofunctionalization of carbonylcompounds was achieved under mild conditions without stringent exclusion of moisture and air. Complementary to existing photochemical methodologies, this catalyst-free electroreductive approach involves the coupling of cathodically generated
A novel three-component reaction of 1, 1-dicyano-2-(trifluoromethyl)ethylenes, primary arylamines, and ketones
作者:V. Yu. Tyutin、N. D. Chkanikov、V. N. Nesterov、M. Yu. Antipin、Yu. T. Struchkov、A. F. Kolomiets、A. V. Fokin
DOI:10.1007/bf00698443
日期:1993.3
1,1-Dicyano-2,2-bis(trifluoromethyl)ethylene and 3,3-dicyano-2-(trifluoromethyl)acrylates react with primary arylamines in the presence of ketones to form 1,1-aryl-1,4-dihydropyridine derivatives under mild conditions. The mechanism of this three-component reaction includes the formation of Schiff's bases as intermediates. 1,4-Dihydropyridine derivatives, which are the products of three-component heterocyclization, were also obtained by reaction the corresponding Schiff's bases with 1,1-dicyano-2-(trifluoromethyl)ethylenes.
FUKADA N.; KATO M.; SEKI H.; KAWANA M.; TAKESHIMA T., J. CHEM. SOC. PERKIN TRANS., 1978, PART I, NO 6, 558-561
作者:FUKADA N.、 KATO M.、 SEKI H.、 KAWANA M.、 TAKESHIMA T.