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Tri-component reaction of 2-alkyl-4,5-dichloropyridazin-3(2H)-ones: synthesis of 5-cyano-5-(pyrimidin-2-yl)-2,7-dialkyl-5H-dipyridazino-[4,5-b:4,5-e]-4H-thiopyran-1,6-dione and 2-(4-cyanophenoxy) pyrimidine
Tetrahedron ( IF 2.1 ) Pub Date : 30 May 2005 , DOI: 10.1016/j.tet.2005.03.071
Jung-Won Park , Jeum-Jong Kim , Ho-Kyun Kim , Hyun-A Chung , Su-Dong Cho , Sang Gyeong Lee , Motoo Shiro , Yong-Jin Yoon

Reaction of 2-alkyl-4,5-dichloropyridazin-3(2H)-ones with p-cyanophenol and 2-mercaptopyrimidine in the presence of base gave 2,4,5-trisubstituted-pyridazin-3(2H)-ones 49, 2-(4-cyanophenoxy)pyrimidine (10) and 5-cyano-5-(pyrimidin-2-yl)-2,7-dialkyl-5H-dipyridazino[4,5-b:4,5-e]-4H-thiopyran-1,6-diones 11 as a novel heterocycle.

中文翻译:

2-烷基-4,5-二氯哒嗪-3(2 H)-ones的三组分反应:5-氰基-5-(嘧啶-2-基)-2,7-二烷基-5 H -dipyridazino-的合成[4,5- b:4,5- e ] -4 H-噻喃-1,6-二酮和2-(4-氰基苯氧基)嘧啶

2-烷基-4,5-二氯哒嗪-3(2 H)-one与氰基苯酚和2-巯基嘧啶在碱存在下的反应得到2,4,5-三取代-哒嗪-3(2 H)-ones 4 - 9,2-(4-氰基苯氧基)嘧啶(10)和5-氰基-5-(嘧啶-2-基)-2,7-二烷基-5- ħ -dipyridazino并[4,5- b:4,5 - ë ] -4- ħ噻喃-1,6-二酮11作为新的杂环。
更新日期:2017-01-31
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