Tert-butyl cis-(3-carbamoylcyclohexyl)carbamate → tert-butyl N-[(1R,3S)-3-[[5-fluoro-4-(5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a]azepin-3-yl)-2-pyridinyl]carbamoyl]cyclohexyl]carbamate

HRID 517

反应方程式

HRID 517 反应方程式
CC(C)(C)OC(=O)N[C@@H]1CCC[C@H](C(N)=O)C1.Fc1cnc(Cl)cc1-c1cnn2c1CCCCC2>C1COCCO1.CC1(C)c2cccc(P(c3ccccc3)c3ccccc3)c2Oc2c(P(c3ccccc3)c3ccccc3)cccc21.O=C([O-])[O-].[Cs+].[Cs+].[Pd].c1ccc(P(c2ccccc2)c2ccccc2)cc1.c1ccc(P(c2ccccc2)c2ccccc2)cc1.c1ccc(P(c2ccccc2)c2ccccc2)cc1.c1ccc(P(c2ccccc2)c2ccccc2)cc1>CC(C)(C)OC(=O)N[C@@H]1CCC[C@H](C(=O)Nc2cc(-c3cnn4c3CCCCC4)c(F)cn2)C1

参与物

7

反应条件

温度
120 °C

实验过程

Tetrakis(triphenylphosphine)palladium(0) (0.304 g, 0.26 mmol) was added to 3-(2-chloro-5-fluoropyridin-4-yl)-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a]azepine (0.700 g, 2.63 mmol), tert-butyl ((1R,3S)-3-carbamoylcyclohexyl)carbamate (0.638 g, 2.63 mmol) and 9,9-dimethyl-4,5-bis(diphenylphosphino)xanthene (0.305 g, 0.53 mmol) and Cesium carbonate (2.58 g, 7.90 mmol) in 1,4-dioxane (10 mL)Degassed for 5 mins under nitrogen and the resulting suspension was stirred at 120 °C for 17 hours in the microwave reactor. The reaction mixture was partitioned between water (20ml) and ethyl acetate (100ml) filtered and separated. The organics were absorbed onto silica and purified by flash silica chromatography, elution gradient 1:1 EtOAc in heptane. Pure fractions were evaporated to dryness to afford tert-butyl ((1R,3S)-3-((5-fluoro-4-(5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a]azepin-3-yl)pyridin-2-yl)carbamoyl)cyclohexyl)carbamate (0.900 g, 72.4 %) as a white solid. Product is crude so used directly in the next step.

来源与证据

ORD记录
ord-5545e57a105549059abb855326d6ce2b
来源数据集
750 AstraZeneca ELN dataset
原始链接
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