{"id":6436,"date":"2021-09-22T03:47:24","date_gmt":"2021-09-21T19:47:24","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=6436"},"modified":"2021-09-22T03:47:24","modified_gmt":"2021-09-21T19:47:24","slug":"s-21-news-analyzing-the-synthesis-route-of-64517-88-0","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=6436","title":{"rendered":"S-21 News Analyzing the synthesis route of 64517-88-0"},"content":{"rendered":"

Application of 64517-88-0<\/a>, A common heterocyclic compound, 64517-88-0, name is 1,3-Dimethyl-1H-pyrazol-4-amine, molecular formula is C5H9N3, its 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.<\/p>\n

[6]; 2-(6-Chlorobenzotriazol-l-yl)-l,l,353-tetramethyluronium tetrafluoroborate was used in place of 2-(7-azabenzotriazol-l-yl)-l,l,353-tetramethyluronium hexafluorophosphate(V) as the coupling agent. The product gave the following characterising data :- 1H NMR Spectrum: (DMSOd6) 2.12 (s, 3H), 3.66 (s, 2H), 3.7 (s, 3H), 3.78 (s, 3H)5 4.02 (s, 3H)5 6.51 (d, IH), 6.88 (m, IH)5 7.03 (d, IH), 7.22 (s, IH)5 7.35 (d, IH)5 7.81 (s, IH), 8.77 (d, IH)5 9.43 (s, 2H); Mass Spectrum: M+H+ 434.<\/p>\n

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.<\/p>\n

Reference:
Patent; ASTRAZENECA AB; ASTRAZENECA UK LIMITED; WO2007\/113565; (2007); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. 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