通过吡唑-3(5)-的反应获得 了先前未知的杂环系统6Н- chromeno [4,3- e ] pyrazolo [5,1- c ] [1,2,4] triazin-6-one的衍生物。重氮盐与4-羟基-2Н-铬-2--2-酮。与异色满-1,3-二酮的类似反应接着进行环化,导致形成2-(4-羟基吡唑并[5,1- c ] [1,2,4]三嗪-3-基)苯甲酸。
[EN] PIPERIDINYLPYRAZOLOPYRIMIDINONES AND THEIR USE<br/>[FR] PIPÉRIDINYLPYRAZOLOPYRIMIDINONES ET LEUR UTILISATION
申请人:BAYER PHARMA AG
公开号:WO2016071216A1
公开(公告)日:2016-05-12
The present application relates to novel substituted piperidinylpyrazolopyrimidinones, to processes for their preparation, the compounds for use alone or in combinations in a method for the treatment and/or prophylaxis of diseases, in particular for the treatment and/or prophylaxis of acute and recurrent bleeding in patients with or without underlying hereditary or acquired hemostatic disorders, wherein the bleeding is associated with a disease or medical intervention selected from the group consisting of heavy menstrual bleeding, postpartum hemorrhage, hemorrhagic shock, hemorrhagic cystitis, gastrointestinal hemorrhage, trauma, surgery, transplantation, stroke, liver diseases, hereditary angioedema, nosebleed, and synovitis and cartilage damage following hemarthrosis.
Three-component condensations with 5-amino-4-phenylpyrazole
作者:D. V. Kryl’skii、Kh. S. Shikhaliev、A. S. Chuvashlev
DOI:10.1134/s107042801003019x
日期:2010.3
3-methyl(or methoxymethyl)-4-phenyl-1H-pyrazol-5-amine with triethyl orthoformate and carbonyl compounds or nitriles containing an activated methylene group (cyclohexane-1,3-diones, acetoacetanilides, benzoylacetone, ethyl cyanoacetate, malononitrile, 1H-benzimidazol-2-ylacetonitrile) gave substituted pyrazolopyrimidines and pyrazoloquinazolines.
Unexpected Reaction of Ethyl 4-(Chloromethyl)pyrazolo- [5,1-c][1,2,4]triazine-3-carboxylates with Thiourea and Its Mechanism
作者:I. V. Ledenyova、A. V. Falaleev、Kh. S. Shikhaliev、E. A. Ryzhkova、F. I. Zubkov
DOI:10.1134/s1070363218010115
日期:2018.1
The reaction of ethyl 4-(chloromethyl)pyrazolo[5,1-c][1,2,4]triazine-3-carboxylates with thiourea in dimethylformamide involves ANRORC rearrangement (Addition of the Nucleophile, Ring Opening, and RingClosure) followed by N-formylation to give N-5-(4-oxo-8-phenyl-1,4-dihydropyrazolo[5,1-c][1,2,4]-triazin-3-yl)-1,3-triazol-2-yl}formamides whose structure was confirmed by X-ray analysis. The reaction
4-(氯甲基)吡唑并[5,1- c ] [1,2,4]三嗪-3-羧酸乙酯与硫脲在二甲基甲酰胺中的反应包括ANRORC重排(亲核试剂的添加,开环和闭环)通过N-甲酰基化得到N- 5-(4-氧代-8-苯基-1,4-二氢吡唑并[5,1- c ] [1,2,4]-三嗪-3-基)-1,3 -三唑-2-基}甲酰胺,其结构通过X射线分析证实。通过HPLC / MS研究了反应机理。
Pyrazole-3(5)-diazonium salts in the synthesis of novel pyrazolo[5,1-c][1,2,4]triazines
作者:Kh. S. Shikhaliev、V. V. Didenko、V. A. Voronkova、D. V. Kryl’skii
DOI:10.1007/s11172-009-0132-1
日期:2009.5
Coupling of pyrazole-3(5)-diazonium salts with cyclic 1,3-dicarbonyl (active methylene) compounds followed by cyclocondensation of the resulting hetarylhydrazones gave novelpyrazolo[5,1-c][1,2,4]triazines.
The present application relates to novel substituted piperidinylpyrazolopyrimidinones, to processes for their preparation, the compounds for use alone or in combinations in a method for the treatment and/or prophylaxis of diseases, in particular for the treatment and/or prophylaxis of acute and recurrent bleeding in patients with or without underlying hereditary or acquired hemostatic disorders, wherein the bleeding is associated with a disease or medical intervention selected from the group consisting of heavy menstrual bleeding, postpartum hemorrhage, hemorrhagic shock, hemorrhagic cystitis, gastrointestinal hemorrhage, trauma, surgery, transplantation, stroke, liver diseases, hereditary angioedema, nosebleed, and synovitis and cartilage damage following hemarthrosis.