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【结 构 式】

【分子编号】16262

【品名】tert-butyl (3S)-4-[(2S,4R)-5-[(3aS,8aR)-2,2-dimethyl-8,8a-dihydro-2H-indeno[1,2-d][1,3]oxazol-3(3aH)-yl]-4-benzyl-2-hydroxy-5-oxopentyl]-3-[(tert-butylamino)carbonyl]-1-piperazinecarboxylate

【CA登记号】

【 分 子 式 】C38H54N4O6

【 分 子 量 】662.87012

【元素组成】C 68.85% H 8.21% N 8.45% O 14.48%

与该中间体有关的原料药合成路线共 2 条

合成路线1

该中间体在本合成路线中的序号:(XXV)

4) The condensation of the chiral piperazine (VII) with (S)-(+)-glycicyl 3-nitrobenzenesulfonate (XXII) by means of diisopropylethylamine in DMF [or with (S)-glycidol (XXIII), tosyl chloride and NaH] gives the epoxide (XXIV), which is condensed with the propionamide (IV) by means of butyllithium in THF, yielding the protected hydroxyamide (XXV). The deprotection of (XXV) with aqueous HCl affords the dihydroxy-diamide (VIII), already obtained, which is finally alkylated with 3-(chloromethyl)pyridine (IX) as before.

1 Mealy, N.; Castaner, J.; Indinavir Sulfate. Drugs Fut 1996, 21, 6, 600.
2 Askin, D.; Reider, P.; Rossen, K.; Varsolona, R.J.; Wells, K.M. (Merck & Co., Inc.); Process for making HIV protease inhibitors. WO 9502583 .
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(IV) 16241 1-[(3aS,8aR)-2,2-dimethyl-8,8a-dihydro-2H-indeno[1,2-d][1,3]oxazol-3(3aH)-yl]-3-phenyl-1-propanone C21H23NO2 详情 详情
(VII) 16244 tert-butyl (3S)-3-[(tert-butylamino)carbonyl]tetrahydro-1(2H)-pyrazinecarboxylate 150323-35-6 C14H27N3O3 详情 详情
(VIII) 16245 (2S)-1-((2S,4R)-4-benzyl-2-hydroxy-5-[[(1S,2R)-2-hydroxy-2,3-dihydro-1H-inden-1-yl]amino]-5-oxopentyl)-N-(tert-butyl)-2-piperazinecarboxamide C30H42N4O4 详情 详情
(IX) 15793 3-(Chloromethyl)pyridine 3099-31-8 C6H6ClN 详情 详情
(XXII) 16259 (2S)oxiranylmethyl 3-nitrobenzenesulfonate; (S)-(+)-Glycidyl nosylate 115314-14-2 C9H9NO6S 详情 详情
(XXIII) 16260 (R)-(+)-Glycidol; (2R)-Oxiranemethanol; (2R)oxiranylmethanol 57044-25-4 C3H6O2 详情 详情
(XXIV) 16261 tert-butyl (3S)-3-[(tert-butylamino)carbonyl]-4-[(2R)oxiranylmethyl]tetrahydro-1(2H)-pyrazinecarboxylate C17H31N3O4 详情 详情
(XXV) 16262 tert-butyl (3S)-4-[(2S,4R)-5-[(3aS,8aR)-2,2-dimethyl-8,8a-dihydro-2H-indeno[1,2-d][1,3]oxazol-3(3aH)-yl]-4-benzyl-2-hydroxy-5-oxopentyl]-3-[(tert-butylamino)carbonyl]-1-piperazinecarboxylate C38H54N4O6 详情 详情

合成路线2

该中间体在本合成路线中的序号:(XXV)

5) The double bond of the pentenylamide (X) (as obtained in Scheme 1) is oxidized with OsO4 and N-methylmorpholine N-oxide in tert-butanol/water to give the 4(R,S),5-dihydroxy-compound (XXVI), which is esterified selectively with methanesulfonyl chloride, yielding the terminal monomesylate (XXVII). The condensation of (XXVII) with the chiral piperazine (VII) by means of K2CO3 in hot isopropanol yields the condensation product (XXVIII) with the (R,S)-configuration at the 4-OH group. The optical resolution of this 4-OH group with (S)-(+)-camphosulfonic acid affords the protected hydroxy-amide (XXV), already obtained in Scheme 19918303a.

1 Mealy, N.; Castaner, J.; Indinavir Sulfate. Drugs Fut 1996, 21, 6, 600.
2 Vacca, J.P.; Guare, J.P.; Dorsey, B.D.; Holloway, M.K.; Hungate, R.W. (Merck & Co., Inc.); HIV protease inhibitors in pharmaceutical combinations for the treatment of AIDS. EP 0617968; JP 1996508496; WO 9422480 .
3 Vacca, J.P.; Dorsey, B.D.; Guare, J.P.; Holloway, M.K.; Hungate, R.W.; Levin, R.B. (Merck & Co., Inc.); HIV protease inhibitors useful for the treatment of AIDS. EP 0696277; JP 1996509980; US 5413999; WO 9426717 .
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(VII) 16244 tert-butyl (3S)-3-[(tert-butylamino)carbonyl]tetrahydro-1(2H)-pyrazinecarboxylate 150323-35-6 C14H27N3O3 详情 详情
(X) 16247 (2S)-1-[(3aS,8aR)-2,2-dimethyl-8,8a-dihydro-2H-indeno[1,2-d][1,3]oxazol-3(3aH)-yl]-2-benzyl-4-penten-1-one C24H27NO2 详情 详情
(XXV) 16262 tert-butyl (3S)-4-[(2S,4R)-5-[(3aS,8aR)-2,2-dimethyl-8,8a-dihydro-2H-indeno[1,2-d][1,3]oxazol-3(3aH)-yl]-4-benzyl-2-hydroxy-5-oxopentyl]-3-[(tert-butylamino)carbonyl]-1-piperazinecarboxylate C38H54N4O6 详情 详情
(XXVI) 16263 (2R)-1-[(3aS,8aR)-2,2-dimethyl-8,8a-dihydro-2H-indeno[1,2-d][1,3]oxazol-3(3aH)-yl]-2-benzyl-4,5-dihydroxy-1-pentanone C24H29NO4 详情 详情
(XXVII) 16264 (4R)-5-[(3aS,8aR)-2,2-dimethyl-8,8a-dihydro-2H-indeno[1,2-d][1,3]oxazol-3(3aH)-yl]-4-benzyl-2-hydroxy-5-oxopentyl methanesulfonate C25H31NO6S 详情 详情
(XXVIII) 16265 tert-butyl (3S)-4-[(4R)-5-[(3aS,8aR)-2,2-dimethyl-8,8a-dihydro-2H-indeno[1,2-d][1,3]oxazol-3(3aH)-yl]-4-benzyl-2-hydroxy-5-oxopentyl]-3-[(tert-butylamino)carbonyl]-1-piperazinecarboxylate C38H54N4O6 详情 详情
Extended Information