2-Amino-4-benzoyl-1-arylpyrrole-3-carbonitriles react with arylidene malonodinitriles, β-ketoesters and β- diketones to afford pyrrolo[2,3-b]pyridine derivatives.
Arylation of acrylamide and acrylonitrile were carried out with various arenediazonium tetrafluoroborates in the presence of a catalytic amount of Pd(OAc)(2) in ethanol and a variety of substituted (E)-cinnamamides an...Arylation of acrylamide and acrylonitrile were carried out with various arenediazonium tetrafluoroborates in the presence of a catalytic amount of Pd(OAc)(2) in ethanol and a variety of substituted (E)-cinnamamides and (E)-cinnamonitriles were obtained in high yields under mild reaction conditions.展开更多
In the reactions of α-cyanocinnamonitrile or β-cyano-β-carbo-thoxy styrenewith 5,5-dimethyl-1,3-cyclohexanedione in the presence of ammonium acetate under microwaveirradiation without solvent, the2-amino-5,6,7,8-te...In the reactions of α-cyanocinnamonitrile or β-cyano-β-carbo-thoxy styrenewith 5,5-dimethyl-1,3-cyclohexanedione in the presence of ammonium acetate under microwaveirradiation without solvent, the2-amino-5,6,7,8-tetrahydro-5-oxo-4-aryl-7,7-dimethyl-4H-benzo-[b]-pyran derivatives were obtained.However, in the reactions of arylidenecyanoacetamide with 5,5-dimethyl-1,3-cyclohexanedione underthe same reaction conditions, the acridine derivatives were obtained. The structures of the productswere determined by single crystal X-ray diffraction analysis.展开更多
文摘2-Amino-4-benzoyl-1-arylpyrrole-3-carbonitriles react with arylidene malonodinitriles, β-ketoesters and β- diketones to afford pyrrolo[2,3-b]pyridine derivatives.
基金This work was supported by the Natural Science Foundation of Jiangxi Province.
文摘Arylation of acrylamide and acrylonitrile were carried out with various arenediazonium tetrafluoroborates in the presence of a catalytic amount of Pd(OAc)(2) in ethanol and a variety of substituted (E)-cinnamamides and (E)-cinnamonitriles were obtained in high yields under mild reaction conditions.
文摘In the reactions of α-cyanocinnamonitrile or β-cyano-β-carbo-thoxy styrenewith 5,5-dimethyl-1,3-cyclohexanedione in the presence of ammonium acetate under microwaveirradiation without solvent, the2-amino-5,6,7,8-tetrahydro-5-oxo-4-aryl-7,7-dimethyl-4H-benzo-[b]-pyran derivatives were obtained.However, in the reactions of arylidenecyanoacetamide with 5,5-dimethyl-1,3-cyclohexanedione underthe same reaction conditions, the acridine derivatives were obtained. The structures of the productswere determined by single crystal X-ray diffraction analysis.
