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【结 构 式】

【分子编号】33401

【品名】2-(1H-imidazol-1-yl)acetic acid hydrochloride

【CA登记号】

【 分 子 式 】C5H6N2O2.HCl

【 分 子 量 】162.576

【元素组成】C 36.94% H 4.34% Cl 21.81% N 17.23% O 19.68%

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:(I)

Zoledronate sodium can be prepared by reaction of 2-(1-imidazolyl)acetic acid hydrochloride (I) with PCl3, with optional presence of phosphoric acid, in refluxing chlorobenzene, followed by hydrolysis with refluxing 9N hydrochloric acid and final formation of the sodium salt by treatment with aqueous NaOH.

1 Widler, L.; et al.; Highly potent geminal bisphosphonates. From pamidronate disodium (Aredia) to zoledronic acid (Zometa). J Med Chem 2002, 45, 17, 3721.
2 Jaeggi, K.A.; Widler, L. (Novartis AG); Substituted alkanediphosphonic acids and pharmaceutical use. AU 8781453; EP 0275821; JP 1988150291; US 4939130 .
3 Castaner, J.; Rabasseda, X.; Sorbera, L.A.; Zoledronate Disodium. Drugs Fut 2000, 25, 3, 259.
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) 33401 2-(1H-imidazol-1-yl)acetic acid hydrochloride C5H6N2O2.HCl 详情 详情

合成路线2

该中间体在本合成路线中的序号:(III)

 

1 Wan R, Wang HB. 2003.Synthesis of zoledroruc acid. 中国医药工业杂志,34 (11): 513~544
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) 10255 Imidazole; 1H-Imidazole 288-32-4 C3H4N2 详情 详情
(II) 66983 ethyl 2-(1H-imidazol-1-yl)acetate   C7H10N2O2 详情 详情
(III) 33401 2-(1H-imidazol-1-yl)acetic acid hydrochloride C5H6N2O2.HCl 详情 详情
Extended Information