Adding a certain compound to certain chemical reactions, such as: 7170-01-6, name is 3-Methyl-1H-1,2,4-triazole, belongs to triazoles compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 7170-01-6, Formula: C3H5N3
Intermediate 596-(5-Methyl-1 H-1 ,2,3,4-tetrazoH -yl)pyridine-3-carboxylic acid To a solution of methyl 6-aminopyhdine-3-carboxylate (1 .52 g) in dichloromethane (10 mL) and pyridine (3 mL) is added acetic anhydride (2 g) and the solution is stirred at r.t. overnight. After concentration water and dichloromethane are added and the organic layer is separated, washed with saturated aqueous CuSO4, then water, dried over MgSO4 and concentrated. The N-acyl compound is dissolved in MeCN (20 mL) and sodium azide (4 g) and SiCI4 (4 mL) are added and the mixture is stirred at r.t. overnight. The reaction is quenched by slow addition to an ice/NaHCO3 mixture and extracted with ethyl acetate. The organic extracts are dried over MgSO4 and concentrated. The crude ester is dissolved in MeOH (30 mL) and 4 M NaOH (3 mL) is added and stirred at r.t. for 2 h. The mixture is neutralized to pH 7 with 6 M HCI, concentrated and then acidified with 6 M HCI and the precipitate is filtered off washing with water and dried by suction to give the title compound. LC (method 20): tR = 1 .52 min; Mass spectrum (APCI): m/z = 206 [M+H]+.
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Reference:
Patent; BOEHRINGER INGELHEIM INTERNATIONAL GMBH; NEUROCRINE BIOSCIENCES, INC.; HECKEL, Armin; HIMMELSBACH, Frank; LANGKOPF, Elke; NOSSE, Bernd; ASHWEEK, Neil, J.; HARRIOTT, Nicole; WO2012/168315; (2012); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics