Reference of 59660-30-9, New Advances in Chemical Research in 2021. The prevalence of solvent effects in heterogeneous catalysis in condensed media has motivated developing quantitative kinetic,A common heterocyclic compound, 59660-30-9, name is (4-Methyl-4H-[1,2,4]triazol-3-yl)methanol, molecular formula is C4H7N3O, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.
A mixture of (4-methyl-l,2,4-triazol-3-yl)methanol (45.83 mg, 0.41 mmol), 5-[4- (trifluoromethoxy)phenyl]-3H-oxazolo[4,5-b]pyridin-2-one (60 mg, 0.20 mmol), PPI13 (106.26 mg, 0.41 mmol) and DIAD (81.92 mg, 0.41 mmol) in THF (3 mL) was stirred at 20 C under N2 for 16 hours. The reaction was diluted with sat.NH4Cl (10 mL), and the mixture was extracted with EtOAc (10 mL x 2). Then the combined organic phase was washed with brine (10 mL), dried over Na2SC>4, filtered and concentrated to give the crude product. The crude product was purified by Prep-HP LC (Waters Xbridge (150 mm x 25 mm, 5 muiotaeta) A = H20 (10 mM NH4HCO3) and B = CH3CN; 32 – 47% B over 8 minutes) to give the impure product. The impure product was triturated from z-Pr20 (10 mL) and purified by Prep-HP LC (Waters Xbridge (150 mm x 25 mm, 5 muiotatauiota) A = H20 (10 mM NH4HCO3) and B = CH3CN; 33 – 63% B over 6 minutes) to give the product (16.59 mg, 41.1 muiotatauiotaomicron, 20% yield) as a solid. 1H NMR (DMSO-c 400MHz) deltaH = 8.48 (s, 1H), 8.14 (d, 2H), 7.88 (d, 1H), 7.81 (d, 1H), 7.48 (d, 2H), 5.30 (s, 2H), 3.79 (s, 3H). LCMS Rt = 1.10 min in 2.0 min chromatography, MS ESI calcd. for CnHnFjNsOs [M+H]+ 392.1, found 391.9.
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Reference:
Patent; PRAXIS PRECISION MEDICINES , INC.; REDDY, Kiran; MARTINEZ BOTELLA, Gabriel; GRIFFIN, Andrew, Mark; MARRON, Brian, Edward; (244 pag.)WO2018/148745; (2018); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics