Heterocyclization of compounds containing diazo and cyano groups. 5. 2-Diazo-2-cyanoacetazide in the synthesis of 5-halo-1H-1,2,3-triazone-4-carboxylic acid azides
Pathways for cyclizations of hydrazine-derived 2-(2-cyanovinyl)-3-oxo-cyclohex-1-ene enolates
作者:Sergey A. Yermolayev、Nickolay Yu. Gorobets、Oleg V. Shishkin、Svetlana V. Shishkina、Nicholas E. Leadbeater
DOI:10.1016/j.tet.2011.02.052
日期:2011.4
The introduction of a hydrazine functionality into 2-(2-cyanovinyl)-3-oxo-cyclohex-1-ene enolates results in their spontaneous cyclizations with participation of the hydrazine moiety. Depending on the reaction conditions used, the hydrazine-derived enolates are transformed into derivatives of 1-arylpyridine-2-one-3-carbonitriles or pyrazoloquinolinones in a one-pot synthesis. They also react with anilines to give the corresponding N1-substituted pyridine-2-one-3-carboxamides. Product characterization was performed by means of spectroscopic and X-ray diffraction studies. In addition, for structure elucidation purposes, a counter synthesis of 1-arylaminopyridine-2-one-3-carboxamide was also carried out. (C) 2011 Elsevier Ltd. All rights reserved.
Investigation of Pyrazole Compounds. VI.<sup>1</sup> The Condensation of Some Heterocyclic Hydrazines with Ethyl Cyanoacetate
作者:A. Weissberger、H. D. Porter
DOI:10.1021/ja01239a010
日期:1944.11
Investigation of Pyrazole Compounds. II.<sup>1</sup> The Synthesis of 1-Phenyl-3-hydroxy-5-pyrazolone Imide
作者:A. Weissberger、H. D. Porter
DOI:10.1021/ja01241a017
日期:1943.1
Cyano acetamino color couplers
申请人:EASTMAN KODAK CO
公开号:US02507180A1
公开(公告)日:1950-05-09
KOLOBOV, M. YU.;BAKULEV, V. A.;MOKRUSHIN, V. S.;LEBEDEV, A. T., XIMIYA GETEROTSIKL. SOED.,(1987) N 11, 1503-1508
作者:KOLOBOV, M. YU.、BAKULEV, V. A.、MOKRUSHIN, V. S.、LEBEDEV, A. T.