POLYFUNCTIONAL PYRAZOLES. 8*. SYNTHESIS OF 6-ALKYL-2-ARYL-2H-PYRAZOLO[4,3-d]PYRIMIDINE-5,7(4H,6H)-DIONES BASED ON ETHYL 1-ARYL-4-ISOCYANATOPYRAZOLE-3-CARBOXYLATES

M. K. Bratenko; M. M. Barus; M. V. Vovk

首页> 外文期刊>Chemistry of heterocyclic compounds >POLYFUNCTIONAL PYRAZOLES. 8*. SYNTHESIS OF 6-ALKYL-2-ARYL-2H-PYRAZOLO[4,3-d]PYRIMIDINE-5,7(4H,6H)-DIONES BASED ON ETHYL 1-ARYL-4-ISOCYANATOPYRAZOLE-3-CARBOXYLATES

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POLYFUNCTIONAL PYRAZOLES. 8*. SYNTHESIS OF 6-ALKYL-2-ARYL-2H-PYRAZOLO[4,3-d]PYRIMIDINE-5,7(4H,6H)-DIONES BASED ON ETHYL 1-ARYL-4-ISOCYANATOPYRAZOLE-3-CARBOXYLATES

机译：多功能吡咯。 8 *。基于乙基1-ARYL-4-异氰基吡唑-3-羧酸酯的6-烷基-2-ARYL-2H-吡唑并[4,3-d]嘧啶-5,7（4H，6H）-二酮的合成

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A method for the preparation of 6-alkyl-2-aryl-2H-pyrazolo[4,3-d]pyrimidine-5,7(4H,6H)-diones in reaction of ethyl 1-aryl-4-isocyanatopyrazole-3-carboxylates with aliphatic amines followed by cyclization of the obtained 4-ureidopyrazole-3-carboxylic acid esters in the presence of bases is proposed.

机译：在乙基1-芳基-4-异氰基托吡唑-3-反应中制备6-烷基-2-芳基-2H-吡唑并[4,3-d]嘧啶-5,7（4H，6H）-二酮的方法提出了用脂肪族胺将其羧酸酯化，然后在碱的存在下环化所获得的4-脲基吡唑-3-羧酸酯。

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《Chemistry of heterocyclic compounds》 |2013年第9期|共7页
作者
M. K. Bratenko; M. M. Barus; M. V. Vovk;
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正文语种 eng
中图分类杂环化合物;
关键词
6-alkyl-2-arylpyrazolo4; 3-dpyrimidine-5; 7-diones; 1-aryl-3-ethoxycarbonylpyrazole-4-carboxylic acids; 1-aryl-4-ureidopyrazole-3-carboxylic acids; ethyl 1-aryl-4-formylpyrazole-3-carboxylates; ethyl 1-aryl-4-isocyanatopyrazole-3-carboxylates; intramolecular cyclization;

机译：6-烷基-2-芳基吡唑并[4;3-d]嘧啶-5;7-二酮;1-芳基-3-乙氧基羰基吡唑-4-羧酸;1-芳基-4-脲基吡唑-3-羧酸;乙基1 -芳基-4-甲酰基吡唑-3-羧酸盐;1-芳基-4-异氰基吡唑-3-羧酸乙酯;分子内环化;

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1. POLYFUNCTIONAL PYRAZOLES. 8*. SYNTHESIS OF 6-ALKYL-2-ARYL-2H-PYRAZOLO[4,3-d]PYRIMIDINE-5,7(4H,6H)-DIONES BASED ON ETHYL 1-ARYL-4-ISOCYANATOPYRAZOLE-3-CARBOXYLATES [J] . M. K. Bratenko, M. M. Barus, M. V. Vovk Chemistry of heterocyclic compounds . 2013,第9期

机译：多功能吡咯。 8 *。基于乙基1-ARYL-4-异氰基吡唑-3-羧酸酯的6-烷基-2-ARYL-2H-吡唑并[4,3-d]嘧啶-5,7（4H，6H）-二酮的合成
2. Synthesis and tautomeric structure of 3,6-bis(arylazo)pyrazolo [1,5-a]pyrimidine-5,7(4H,6H)-diones [J] . Shawali AS, Mosselhi MAN, Farghaly TA, Journal of Chemical Research. Synopses . 2008,第8期

机译：3,6-双（芳基偶氮）吡唑并[1,5-a]嘧啶-5,7（4H，6H）-二酮的合成及互变异构结构
3. Synthesis and tautomeric structure of 3,6-bis(arylazo)pyrazolo[1,5-a]pyrimidine-5,7(4H,6H)-diones [J] . Ahmad S. Shawali, Mosselhi A. N. Mosselhi, Thoraya A. Farghaly, Journal of chemical research: reviews and research papers from all branches of chemistry . 2008,第8期

机译：3,6-双（Arylazo）吡唑的合成和互变异构型[1,5-a]嘧啶-5,7（4h，6h） - 二氧化乙氧酮
4. Catalytic performance of CuO@SiO2 for one-pot synthesis of pyrimidine derivative,ethyl 6-methyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate [C] . A H Cahyana, S P Sari, B Ardiansah International Symposium on Current Progress in Functional Materials . 2019

机译：CuO / 2-oxo-4-苯基-1,2,3,4-四氢嘧啶-5-羧酸乙烯基二罐合成CuO / 2-氧代-4-苯基-1,2,3,4-四氢嘧啶-5-羧酸酯的催化性能
5. STUDIES IN STEREOCHEMISTRY. PART I: SYNTHESIS, RESOLUTION AND ABSOLUTE CONFIGURATION OF (E)-2,4-DIMETHYL-2-HEXENOIC ACID. PART II: THE DETERMINATION OF THE HEAT OF HYDROGENATION AND REARRANGEMENT BEHAVIOR OF 1,1'-SPIROBIINDENE. PART III: SYNTHESIS AND CHIROPTICAL PROPERTIES OF 5,7-DIOXOBICYCLO(2.2.2)OCT-2-ENE AND BICYCLO(2.2.2)OCTAN-2,5-DIONE. [D] . MORTON, GERALD HUNT. 1980

机译：立体化学研究。第一部分：（E）-2,4-二甲基-2-己酸的合成，拆分和绝对构型。第二部分：1,1'-螺双茚的加氢热和重排行为的测定。第三部分：5,7-二氧杂双环（2.2.2）OCT-2-烯和双环（2.2.2）OCTAN-2,5-二酮的合成和手性。
6. Identification Synthesis and Biological Evaluation of the Metabolites of 3-Amino-6-(3-aminopropyl)-5H-indeno12-cisoquinoline-511-(6H)dione (AM6-36) a Promising Rexinoid Lead Compound for the Development of Cancer Chemotherapeutic and Chemopreventive Agents [O] . Lian Chen, Martin Conda-Sheridan, P. V. Narasimha Reddy, -1

机译：3-氨基-6-（3-氨丙基）-5H-茚并的代谢物的鉴定合成和生物学评价12-C异喹啉511-（6H）二酮（am6-36）一个有前途的Rexinoid先导化合物用于癌症化疗和化学预防剂的发展
7. Synthesis and regioselective N- and O-alkylation of 1H- or 3H-[1,2,3]triazolo[4,5-d]pyrimidine-5,7(4H,6H)-diones (8-azaxanthines) and transformation of their 3-alkyl derivatives into 1-alkyl isomers [O] . Islam, Rafiqul, Nagamatsu, Tomohisa 2008

机译：1H-或3H- [1,2,3]三唑并[4,5-d]嘧啶-5,7（4H，6H）-二酮（8-氮杂黄嘌呤）的合成及区域选择性N-和O-烷基化反应它们的3-烷基衍生物变成1-烷基异构体

POLYFUNCTIONAL PYRAZOLES. 8*. SYNTHESIS OF 6-ALKYL-2-ARYL-2H-PYRAZOLO[4,3-d]PYRIMIDINE-5,7(4H,6H)-DIONES BASED ON ETHYL 1-ARYL-4-ISOCYANATOPYRAZOLE-3-CARBOXYLATES

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