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【结 构 式】

【分子编号】59940

【品名】tert-butyl (2R)-2-{[tert-butyl(dimethyl)silyl]oxy}-2-(3-chlorophenyl)ethyl{(1R)-1-methyl-2-[4-(2-{[(4-methylphenyl)sulfonyl]amino}-2-oxoethyl)anilino]ethyl}carbamate

【CA登记号】

【 分 子 式 】C37H52ClN3O6SSi

【 分 子 量 】730.4407

【元素组成】C 60.84% H 7.18% Cl 4.85% N 5.75% O 13.14% S 4.39% Si 3.85%

与该中间体有关的原料药合成路线共 1 条

合成路线1

该中间体在本合成路线中的序号:(XIII)

Coupling of p-nitrophenylacetic acid (IX) with p-toluenesulfonamide (X) using CDI provided the N-acyl sulfonamide (XI). The nitro group of (XI) was then reduced by catalytic hydrogenation to furnish aniline (XII). Reductive condensation of aniline (XII) with aldehyde (VIII) in the presence of NaBH(OAc)3 gave rise to amine (XIII). Finally, simultaneous removal of the O-silyl and N-Boc protecting groups of (XIII) was accomplished by treatment with 4 N aqueous HCl.

1 Uehling, D.E.; Donaldson, K.H.; Deaton, D.N.; Hyman, C.E.; Sugg, E.E.; Barret, D.G.; Hughes, R.G.; Reitter, B.; Adkison, K.K.; Lancaster, M.E.; Lee, F.; Hart, R.; Paulik, M.A.; Sherman, B.W.; True, T.; Cowan, C.; Synthesis and evaluation of potent and selective beta3 adrenergic receptor agonists containing acylsulfonamide, sulfonylsulfonamide, and sulfonylurea carboxylic acid isosteres. J Med Chem 2002, 45, 3, 567.
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(VIII) 59936 tert-butyl (2R)-2-{[tert-butyl(dimethyl)silyl]oxy}-2-(3-chlorophenyl)ethyl[(1R)-1-methyl-2-oxoethyl]carbamate C22H36ClNO4Si 详情 详情
(IX) 59937 4-methylbenzenesulfonamide 70-55-3 C7H9NO2S 详情 详情
(X) 30305 2-(4-nitrophenyl)acetic acid 104-03-0 C8H7NO4 详情 详情
(XI) 59938 4-methyl-N-[2-(4-nitrophenyl)acetyl]benzenesulfonamide C15H14N2O5S 详情 详情
(XII) 59939 N-[2-(4-aminophenyl)acetyl]-4-methylbenzenesulfonamide C15H16N2O3S 详情 详情
(XIII) 59940 tert-butyl (2R)-2-{[tert-butyl(dimethyl)silyl]oxy}-2-(3-chlorophenyl)ethyl{(1R)-1-methyl-2-[4-(2-{[(4-methylphenyl)sulfonyl]amino}-2-oxoethyl)anilino]ethyl}carbamate C37H52ClN3O6SSi 详情 详情
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