5(3)-氨基-3(5)-芳基-1的反应合成2,5,7-三芳基-4,7(6,7)-二氢吡唑并[1,5 - a ]嘧啶-3-腈H-吡唑-4-腈与查尔酮
摘要:
5(3)-氨基-3(5)-芳基-1 H-吡唑-4-腈与1,3-二芳基-2-丙烯-1-酮(查耳酮)在回流DMF中的反应导致2,5 ,7-三芳基-4,7(6,7)-二氢吡唑并[1,5 - a ]嘧啶-3-甲腈。在DMSO溶液中,根据芳基取代基的性质,后者以不同比例存在于两个互变异构的4,7-二氢吡唑并[1,5- a ]嘧啶和6,7-二氢吡唑并[1,5- a ]嘧啶中。在查尔酮 积木。
Electrolytic oxidation of ketones in a methanolic solution of sodium cyanide in the presence of catalytic amounts of potassium iodide
摘要:
The indirect electrolytic oxidation of ketones (1) in methanolic sodium cyanide was studied using iodide ion as a mediator. The product and the reactivity of ketone were dependent on the nature of the alkyl groups attached to the carbonyl group. Thus, 2-alkyl and 2,2-dialkyl ketones afforded the corresponding oxiranecarbonitriles 2 along with small amounts of methyl oxiranecarboximidate 3, whereas acetophenones exclusively yielded benzoylpropanedinitriles 4.
CYANOTHIOACETAMIDE DERIVATIVE AND PROCESS FOR PRODUCING THE SAME
申请人:NIPPON SODA CO., LTD.
公开号:EP1367049A1
公开(公告)日:2003-12-03
A thioacetamide compound represented by the formula (1) (1) which is useful as an intermediate for an acrylonitrile derivative serving as an active ingredient for medicines and agricultural chemicals, especially insecticides/acaricides; a process for producing the compound; and a process for producing a 3-oxo-2-(2-thiazolyl)propanenitrile compound, characterized by reacting the compound represented by the formula (1) with phenacyl halide.
Preparation of 4,6-diaminopyrazolo[3,4-<i>d</i>] pyrimidines with variations in substitution at the 1- and 3-positions
作者:Philip L. Southwick、Balram Dhawan
DOI:10.1002/jhet.5570120621
日期:1975.12
of new derivatives of 4,6-diaminopyrazolo[3,4-d]pyrimidines substituted in the 1- and/or 3-positions have been obtained from reactions of guanidine carbonate with 1- and/or 3-substituted-5-amino-4-cyanopyrazoles. Use of triethanolamine as a reaction medium permitted preparation of certain derivatives which could not be obtained from the previously described fusion procedure. Some derivatives of 4-aminopyrazolo[3
从碳酸胍与1-和/或3-取代的-5-的反应中获得了许多在1-和/或3-位被取代的4,6-二氨基吡唑并[3,4- d ]嘧啶的新衍生物。氨基-4-氰基吡唑。使用三乙醇胺作为反应介质允许制备某些衍生物,这些衍生物不能从前述的融合方法中获得。还从甲酰胺与相同的5-氨基-4-氰基吡唑的反应中获得了在1-和/或3-位被取代的4-氨基吡唑并[3,4- d ]嘧啶的一些衍生物。筛选了新化合物的体内抗疟活性,但发现它们没有活性。
[EN] 3,4-DIARYL-2-HYDROXY-2,5-DIHYDROFURANS AS PRODRUGS TO COX-2 INHIBITORS<br/>[FR] 3,4-DIARYLE-2-HYDROXY-2,5-DIHYDROFURANS UTILISES COMME PROMEDICAMENTS POUR INHIBITEURS DE COX-2
申请人:MERCK FROSST CANADA INC.
公开号:WO1997016435A1
公开(公告)日:1997-05-09
(EN) The invention encompasses the novel compound of formula (I) useful in the treatment of cyclooxygenase-2 mediated diseases. The invention also encompasses certain pharmaceutical compositions for treatment of cyclooxygenase-2 mediated diseases comprising compounds of formula (I).(FR) L'invention se rapporte à un nouveau composé de la formule (I) utile dans le traitement de pathologies induites par la cyclooxygénase-2. L'invention se rapporte également à certaines compositions pharmaceutiques destinées au traitement de pathologies induites par la cyclooxygénase-2 et comprenant les composés de la formule (I).
Cyanothioacetamide derivative and process for producing the same
申请人:——
公开号:US20040059122A1
公开(公告)日:2004-03-25
A thioacetamide compound represented by the formula (1) which is useful as an intermediate for an acrylonitrile derivative serving as an active ingredient for medicines and agricultural chemicals, especially insecticides/acaricides; a process for producing the compound; and a process for producing a 3-oxo-2-(2-thiazolyl)propanenitrile compound, characterized by reacting the compound represented by the formula (1) with a phenacyl halide.
1