Pyrazole acc inhibitors and uses thereof
a technology of pyrazole and acc inhibitors, which is applied in the direction of antibacterial agents, drug compositions, metabolic disorders, etc., can solve the problems of not providing the long-term health benefit needed for sustainable weight loss, t2dm, stroke and coronary heart disease, and dramatic reduction in quality of li
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example 1
of (R)-2-(1-(2-(5-fluoro-2-methoxyphenyl)-2-isopropoxyethyl)-5-methyl-2,4-dioxo-6-(1H-pyrazol-1-yl)-1,4-dihydrothieno[2,3-d]pyrimidin-3(2H)-yl)-N-isopropyl-2-methylpropanamide, I-1
[0421]
[0422]Synthesis of Compound 1.2.
[0423]Into a 3000-mL 3-necked round-bottomed flask under nitrogen, was placed 1.1 (100 g, 487.75 mmol, 1.00 equiv), THF (1.5 L). This was followed by the addition of n-BuLi (215.6 mL) dropwise with stirring at −78° C. The resulting solution was stirred for 1 hour at −78° C. To this was added DMF (71.54 g, 978.79 mmol, 2.01 equiv) dropwise with stirring at −78° C. The reaction was stirred for 1 h at room temperature, and then quenched by the addition of 800 mL of NH4Cl (aq.). The resulting solution was extracted with 500 mL of ethyl acetate, organic layers combined and concentrated under vacuum. The crude was purified by column chromatography to furnish 65.7 g (87%) of 1.2 as a light yellow solid.
[0424]Synthesis of Compound 1.3.
[0425]Into a 2000-mL 3-necked round-bottom...
example 2
of (R)-1-(2-(5-fluoro-2-methoxyphenyl)-2-isopropoxyethyl)-5-methyl-3-(2-methyl-1-oxo-1-(piperidin-1-yl)propan-2-yl)-6-(1H-pyrazol-1-yl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione, I-2
[0459]
[0460]Into a 50-mL round-bottomed flask, was placed 1.991 (200 g, 0.37 mmol, 1.00 equiv), DCC (151.5 g, 0.73 mmol, 2.00 equiv), 4-dimethylaminopyridine (90 g, 0.74 mmol, 2.01 equiv), piperidine (60 g, 0.70 mmol, 1.92 equiv), and CH2Cl2 (20 mL). The reaction was stirred for 5 h at 50° C. The resulting mixture was concentrated under vacuum. The crude was purified by column chromatography to furnish 49 mg (22%) of I-2 as a white solid. LC-MS-PH (ES, m / z) [M-C5NH10]+ 527, [M+Na]+ 634; 1H NMR (400 MHz, DMSO-d6): δ 0.99-1.03 (m, 6H), 1.30-1.80 (m, 12H), 2.35 (s, 3H), 3.10-3.35 (m, 4H), 3.48-3.53 (m, 1H), 3.79 (s, 3H), 3.90-4.30 (m, 2H), 5.20 (t, 1H), 6.60 (s, 1H), 6.98-7.05 (m, 1H), 7.12-7.28 (m, 2H), 7.82 (s, 1H), 8.19 (s, 1H).
example 3
of (R)-1-(2-(5-fluoro-2-methoxyphenyl)-2-isopropoxyethyl)-5-methyl-3-(2-methyl-1-morpholino-1-oxopropan-2-yl)-6-(1H-pyrazol-1-yl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione, I-3
[0461]
[0462]Compound I-3 was prepared from compound 1.991 and morpholine in 46% yield using similar procedure as described in Example 2. LC-MS (ES, m / z): [M+Na]+ 636; 1H NMR (400 MHz, DMSO-d6): δ 0.98-1.03 (m, 6H), 1.60-1.80 (d, 6H), 2.36 (s, 3H), 3.15-3.40 (m, 4H), 3.48-3.60 (m, 5H), 3.78 (s, 3H), 3.90-4.30 (m, 2H), 5.20 (t, 1H), 6.60 (s, 1H), 7.03-7.05 (m, 1H), 7.12-7.25 (m, 2H), 7.82 (s, 1H), 8.20 (s, 1H).
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