{"id":4391,"date":"2021-05-31T04:38:51","date_gmt":"2021-05-30T20:38:51","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4391"},"modified":"2021-05-31T04:38:51","modified_gmt":"2021-05-30T20:38:51","slug":"new-downstream-synthetic-route-of-c4h4n2o","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4391","title":{"rendered":"New downstream synthetic route of C4H4N2O"},"content":{"rendered":"

Related Products of 35344-95-7<\/a>, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 35344-95-7, name is 1H-Pyrazole-4-carbaldehyde, This compound has unique chemical properties. The synthetic route is as follows.<\/p>\n

General procedure: To a solution of Intermediate 15B (0.50 g, 4.46 mmol) and 6bromo4methoxynicotinonitrile (0.95 g, 4.46 mmol) in dioxane (20 mL) was added K2CO3 (1.54 g, 11.15 mmol) and XANTPHOS (0.52 g, 0.89 mmol) and the resulting reaction mixture was degassed with nitrogen for 5 minutes. Pd2(dba)3(0.41 g, 0.45 mmol) was added and the resulting mixture was degassed again for 5 minutes then heated at 100 \u00b0C for 16 h. The reaction mixture was cooled to ambient temperature, filtered through Celite\u00ae and the filtrate was concentrated under reduced pressure. The residue was purified by column chromatography (Redisep24 g, 2 2.5 percent MeOH in DCM), to obtain Intermediate 15C (0.40 g, 36.70percent) as a pale yellow solid.1H NMR (400 MHz, DMSOd6) G ppm 2.65 (t, J = 6.78 Hz, 2 H), 3.61 (td, J = 6.78, 5.02 Hz, 2 H), 4.10 (s, 3 H), 4.62 4.76 (m, 1 H), 7.58 (s, 1 H), 7.81 (s, 1 H), 8.47 (s, 1 H), 8.73 (s, 1 H). LCMS (MethodI): retention time 0.83 min, [M+H] 245.3<\/p>\n

The chemical industry reduces the impact on the environment during synthesis 1H-Pyrazole-4-carbaldehyde. I believe this compound will play a more active role in future production and life.<\/p>\n

Reference:
Patent; BRISTOL-MYERS SQUIBB COMPANY; YADAV, Navnath Dnyanoba; BHIDE, Rajeev S.; BORA, Rajesh Onkardas; GUNAGA, Prashantha; PANDA, Manoranjan; PRIESTLEY, Eldon Scott; RICHTER, Jeremy; (444 pag.)WO2018\/222795; (2018); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

The chemical industry reduces the impact on the environment during synthesis 1H-Pyrazole-4-carbaldehyde. I believe this compound will play a more active role in future production and life.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[154,131],"tags":[145],"class_list":["post-4391","post","type-post","status-publish","format-standard","hentry","category-35344-95-7","category-pyrazoles-derivatives","tag-m-w0-100"],"yoast_head":"\nNew downstream synthetic route of<\/title>\n<meta name=\"description\" content=\"Related Products of 35344-95-7, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 35344-95-7, name is 1H-Pyrazole-4-carbaldehyde, This compound has unique chemical properties. The synthetic route is as follows.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pyrazoles-derivatives.com\/?p=4391\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New downstream synthetic route of\" \/>\n<meta property=\"og:description\" content=\"Related Products of 35344-95-7, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 35344-95-7, name is 1H-Pyrazole-4-carbaldehyde, This compound has unique chemical properties. 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