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【结 构 式】

【分子编号】16495

【品名】3-(6-oxo-1,6-dihydro-9H-purin-9-yl)propionic acid

【CA登记号】

【 分 子 式 】C8H8N4O3

【 分 子 量 】208.17668

【元素组成】C 46.16% H 3.87% N 26.91% O 23.06%

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:(V)

The condensation of adenine (I) with ethyl acrylate (II) by means of sodium ethoxide in methanol gives 3-(9-adenyl)propionic acid ethyl ester (III), which is treated with NaNO2/acetic acid yielding 3-(6-oxo-1,6-dihydro-9H-purin-9-yl)propionic acid ethyl ester (IV). The hydrolysis of (IV) with KOH in water affords the corresponding free acid (V), which is esterified with 4-chlorophenyl trifluoroacetate (VI) in pyridine giving the expected 4-chlorophenyl ester (VII). The condensation of ester (VII) with ethyl 4-aminobenzoate (VIII) by heating (35-40 C) in DMSO yields 4-[3-(6-oxo-1,6-dihydro-9H-purin-9-yl)propionamido]benzoic acid ethyl ester (IX), which is finally hydrolyzed with KOH in water.

1 Graul, A.; Castañer, J.; AIT-082. Drugs Fut 1997, 22, 9, 945.
2 Glasky, A.J.; Multi-functional pharmaceutical cpds. and methods of use. WO 9114434 .
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(I) 10343 9H-Purin-6-amine; 9H-Purin-6-ylamine; Adenine 73-24-5 C5H5N5 详情 详情
(II) 10164 ethyl acrylate 140-88-5 C5H8O2 详情 详情
(III) 16493 ethyl 3-(6-amino-9H-purin-9-yl)propanoate C10H13N5O2 详情 详情
(IV) 16494 ethyl 3-(6-oxo-1,6-dihydro-9H-purin-9-yl)propanoate C10H12N4O3 详情 详情
(V) 16495 3-(6-oxo-1,6-dihydro-9H-purin-9-yl)propionic acid C8H8N4O3 详情 详情
(VI) 16496 4-[(2,2,2-trifluoroacetyl)oxy]benzoic acid C9H5F3O4 详情 详情
(VII) 16497 4-[[3-(6-oxo-1,6-dihydro-9H-purin-9-yl)propanoyl]oxy]benzoic acid C15H12N4O5 详情 详情
(VIII) 16498 Benzocaine; ethyl 4-aminobenzoate 94-09-7 C9H11NO2 详情 详情
(IX) 16499 ethyl 4-[[3-(6-oxo-1,6-dihydro-9H-purin-9-yl)propanoyl]amino]benzoate C17H17N5O4 详情 详情
Extended Information