{"id":6181,"date":"2021-09-06T03:31:22","date_gmt":"2021-09-05T19:31:22","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=6181"},"modified":"2021-09-06T03:31:22","modified_gmt":"2021-09-05T19:31:22","slug":"6-sep-21-news-share-a-compound-3273-44-7","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=6181","title":{"rendered":"6-Sep-21 News Share a compound : 3273-44-7"},"content":{"rendered":"

Some common heterocyclic compound, 3273-44-7, name is 5-Methyl-1H-pyrazole-3-carbaldehyde, molecular formula is C5H6N2O, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. SDS of cas: 3273-44-7<\/a><\/p>\n

EXAMPLE 15 7,7-Dimethyl-2-(5-methylpyrazol-3-yl)-6,7-dihydro-3H,5H-pyrrolo[2,3-f]benzimidazol-6-one Analogously to Example 2, starting from 0.57 g. (3 mmol) 5,6-diamino-3,3-dimethylindolin-2-one and 0.33 g. (3 mmol) 5-methylpyrazole-3-aldehyde, there is obtained the crude product after rendering the reaction mixture alkaline with concentrated aqueous ammonia solution. The residue is purified over silica gel (elution agent: methylene chloride\/ammonia-saturated methanol 10:3 v\/v). Yield: 0.22 g. (26% of theory); m.p. 245-250 C., crystallized from water.<\/p>\n

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3273-44-7, its application will become more common.<\/p>\n

Reference:
Patent; Boehringer Mannheim GmbH; US4835280; (1989); A;; ; Patent; Boehringer Mannheim GmbH; US4695567; (1987); A;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3273-44-7, its application will become more common.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[640,131],"tags":[126],"class_list":["post-6181","post","type-post","status-publish","format-standard","hentry","category-3273-44-7","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nShare a compound :<\/title>\n<meta name=\"description\" content=\"Some common heterocyclic compound, 3273-44-7, name is 5-Methyl-1H-pyrazole-3-carbaldehyde, molecular formula is C5H6N2O, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. 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