[1,2,4]triazol[1,5-a]pyridine compound as well as preparation method and medical application thereof
A technology of compounds and mixtures, applied in the field of medicine
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Embodiment 1
[0217] Example 1: N-(5-(4-((1,1-dioxothiomorpholine)methyl)phenyl)-[1,2,4]triazolo[1,5-a]pyridine Preparation of -2-yl)-2-oxopyrrolidine-3-carboxamide
[0218]
[0219]
[0220] Step 1: 4-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-benzyl)thiomorpholine 1,1- Synthesis of Dioxide (Intermediate 1A)
[0221] 4-Bromomethylphenylboronic acid pinacol ester (50.00g, 16.84mmol), 1,1-dioxide thiomorpholine (27.36g, 20.24mmol), potassium carbonate (27.92g, 20.20mmol) were added to 250 mL of N,N-dimethylformamide was added to the reaction flask, and the reaction was stirred at 80°C for 4 hours. After cooling to room temperature, the reaction solution was poured into 1250 mL of ice water, stirred for 30 minutes, and suction filtered to obtain the title product, 47.2 g of white solid, with a yield of 79.7%.
[0222] Step 2: 4-(4-(2-Amino-[1,2,4]triazolo[1,5-a]pyridin-5-yl)benzyl)thiomorpholine 1,1-dioxide Synthesis of (Intermediate 1B)
[0223] Add 5-bromo-[1,2,4]triazolo[1...
Embodiment 2
[0228]Example 2: N-(5-(4-((1,1-dioxothiomorpholine)methyl)phenyl)-[1,2,4]triazolo[1,5-a]pyridine Preparation of -2-yl)pyrrolidine-2-carboxamide
[0229]
[0230] The same preparation method as in Example 1, except that prolyl chloride (using Boc-L-proline as raw material, reference Tetrahedron, 65 (25), 4841-4845; 2009 preparation) replaces 2-oxo-pyrrolidine -3-Formyl chloride to give the title compound.
[0231] ESI-MS[M+H](m / z):455.1.
[0232] 1 H NMR (300MHz, DMSO): δ10.38(s,1H),7.99(m,2H),7.90(m,1H),7.73(m,2H),7.53(m,2H),7.35(m,1H ),3.89(m,1H),3.73(s,2H),3.40(m,2H),3.13(m,4H),2.94(m,4H),1.74(m,4H).
Embodiment 3
[0233] Example 3: N-(5-(4-((1,1-dioxothiomorpholine)methyl)phenyl)-[1,2,4]triazolo[1,5-a]pyridine Preparation of -2-yl)-1-methylazetidine-3-carboxamide
[0234]
[0235] The preparation method is the same as in Example 1, except that 2-oxo-pyrrolidine- 3-Formyl chloride to give the title compound.
[0236] ESI-MS[M+H](m / z):455.1.
[0237] 1 H NMR(300MHz,DMSO):δ10.45(s,1H),8.01(m,2H),7.88(m,1H),7.72(m,2H),7.49(m,2H),7.36(m,1H ),3.73(s,2H),3.31-3.72(m,4H),3.39(m,1H),3.15(m,4H),2.95(m,4H),2.33(s,3H).
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