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【结 构 式】

【分子编号】23259

【品名】2-nitrobenzoyl isocyanate

【CA登记号】

【 分 子 式 】C8H4N2O4

【 分 子 量 】192.13084

【元素组成】C 50.01% H 2.1% N 14.58% O 33.31%

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:(IV)

1) The condensation of 4-amino-2-chlorophenol (I) with 5 bromo-2-chloropyrimidine (II) by means of K2CO3 in hot DMSO gives 4-(5-bromo-2-pyrimidinyloxy)-3-chloroaniline (III), which is then condensed with 2-nitrobenzoyl isocyanate (IV) in dioxane.

1 Haga, T.; Kondo, N.; Koyanagi, T.; Nakajima, T.; Sugi, H.; Watanabe, M.; Yamada, N.; Yokoyama, K. (Ishihara Sangyo Kaisha, Ltd.); Benzoyl urea cpds., process for their production, . CH 671576; EP 0192235; FR 2577551; GB 2171695; US 4727077 .
2 Hoshi, A.; Prous, J.; Castaner, J.; HO-221. Drugs Fut 1988, 13, 9, 822.
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) 23256 2-Amino-4-chlorobenzoic acid; 4-Amino-2-chlorophenol 3964-52-1 C6H6ClNO 详情 详情
(II) 21054 5-bromo-2-chloropyrimidine C4H2BrClN2 详情 详情
(III) 23258 4-[(5-bromo-2-pyrimidinyl)oxy]-3-chlorophenylamine; 4-[(5-bromo-2-pyrimidinyl)oxy]-3-chloroaniline C10H7BrClN3O 详情 详情
(IV) 23259 2-nitrobenzoyl isocyanate C8H4N2O4 详情 详情

合成路线2

该中间体在本合成路线中的序号:(IV)

3) The reaction of aminophenol (I) with isocyanate (IV) in dioxane gives N-(2-nitrobenzoyl(-N'-(3-chloro-4-hydroxyphenyl)urea (VII), which is then condensed with pyrimidine (II) by means of KOH in hot DMSO.

1 Haga, T.; Kondo, N.; Koyanagi, T.; Nakajima, T.; Sugi, H.; Watanabe, M.; Yamada, N.; Yokoyama, K. (Ishihara Sangyo Kaisha, Ltd.); Benzoyl urea cpds., process for their production, . CH 671576; EP 0192235; FR 2577551; GB 2171695; US 4727077 .
2 Hoshi, A.; Prous, J.; Castaner, J.; HO-221. Drugs Fut 1988, 13, 9, 822.
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) 23256 2-Amino-4-chlorobenzoic acid; 4-Amino-2-chlorophenol 3964-52-1 C6H6ClNO 详情 详情
(II) 21054 5-bromo-2-chloropyrimidine C4H2BrClN2 详情 详情
(IV) 23259 2-nitrobenzoyl isocyanate C8H4N2O4 详情 详情
(VII) 23262 N-(3-chloro-4-hydroxyphenyl)-N'-(2-nitrobenzoyl)urea C14H10ClN3O5 详情 详情
Extended Information