1,721,051 research outputs found
C-C Cleavage of α-hydroxy-ketoximes under mild conditions using phosphonitrile dichloride
No full textThe fragmentation of α-hydroxy-ketoximes with phosphonitrile dichloride in presence of pyridine is reporte
The palladium-catalyzed transfer hydrogenation / heterocyclization of b- (2-aminophenyl)-a,b-ynones. An approach to 2-aryl and 2-vinylquinolines
No full textThe palladium-catalyzed transfer hydrogenation/cyclization of readily available beta-(o-aminophenyl)-alpha,beta-ynones 1 affords 2-aryl- and 2-vinylquinolines 3 in good yield
A New Approach to 2,3-Disubstituted-Benzo[b]furans from o-Alkynylphenols via 5-endo-dig Iodocyclisation/Palladium-Catalysed Reactions
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The Palladium-Catalyzed Hydroarylation and Hydrovinylation of 3-(o-Acetoxyphenyl)- and 3-(o-Benzoyloxyphenyl)propynols. A Route to 4-Aryl- and 4-Vinyl-2,2-dimethyl-3-chromenes
No full textPalladium-Catalyzed Arylation of the THP Derivative of (Z)-2-Butene-1,4-diol with Arenediazonium Salts and the Synthesis of β-Aryl-γ-butyrolactones
No full textEthyl N-(o-Ehynyl) malonoanilide as a Useful Building Block for the Preparation of 3,4-Disubstituted-2(1H)-quinolones, 3,4-Disubstituted- and 2,3,4-Trisubstituted-quinolines
No full textPalladium-Catalysed Cyclocarbonylation of o-Ethynylphenols and Vinyl Trfiflates to Form 3-Alkylidene-2-coumaranones
No full textThe Palladium-Catalysed Reaction of o-alkynyltrifluoroacetanilides with Alkyl halides. An Entry into 2-Substituted 3-alkylindoles
No full textPalladium-catalysed cyclization of 2-alkynylanilines to 2-substituted indoles under an acidic two-phase system
No full textThe cyclization of 2-alkynylanilines in the presence of PdCl2 and nBu4NCl under an acidic CH2Cl2-HCI two-phase system affords 2-substituted indoles in good to high yield, at room temperature. The reaction is particularly suited to the one-flask preparation of 2-substituted indoles from 2-ethynylaniline
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