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【结 构 式】

【分子编号】40342

【品名】4-[(2-aminobenzyl)amino]cyclohexanol

【CA登记号】

【 分 子 式 】C13H20N2O

【 分 子 量 】220.31468

【元素组成】C 70.87% H 9.15% N 12.72% O 7.26%

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)

By condensation of trans-4-aminocyclohexanol (I) with isatoic anhydride (II) in hot (100 C) xylene to give 2-amino-N-(trans-4-hydroxycyclohexyl)benzamide (III) , m.p. 219.5-220 C, which is reduced with LiAlH4 in THF to (trans-4-hydroxycyclohexyl)(2-aminobenzyl)amine (IV) (oxalate, m.p. 185-6 C); this product is finally brominated with Br2 in acetic acid.

1 Kech, J.; Liebigs Ann Chem 1967, 707, 19, Suppl. 2, 107.
2 Castaner, J.; Armstrong, B.; Ambroxol. Drugs Fut 1976, 1, 3, 959.
3 Keck, J.; et al. (Dr. Karl Thomae GmbH); Pharmaceutical compositions for use in the treatment of certain respiratory diseases or conditions in prematurely born children. BE 0795585; DE 2207460; FR 2181742; GB 1420976 .
4 Keck, J.; et al. (Boehringer Ingelheim GmbH); N-(Hydroxycyclohexyl)aminobenzylamines and the salts thereof. ES 340219; FR 1522709; GB 1178034; US 3536713 .
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) 19581 trans-4-Aminocyclohexanol;trans-4-Amino-1-cyclohexanol;trans-4-Amino-1-cyclohexanol; 27489-62-9 C6H13NO 详情 详情
(II) 29797 2H-3,1-benzoxazine-2,4(1H)-dione;Isatoic anhydride;4H-3,1-Benzoxazine-2,4(1H)-dione;1,2-Dihydro-4H-3,1-benzoxazine-2,4-dione;1H-benzo[d][1,3]oxazine-2,4-dione 118-48-9 C8H5NO3 详情 详情
(III) 40341 2-amino-N-(4-hydroxycyclohexyl)benzamide C13H18N2O2 详情 详情
(IV) 40342 4-[(2-aminobenzyl)amino]cyclohexanol C13H20N2O 详情 详情

合成路线2

该中间体在本合成路线中的序号:(IV)

 

1 Prats Palacin J,Valles Plana JM.Process for the preparation of ambroxol:ES,Patent 544,291,1984.
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) 20951 2-nitrobenzoic acid;o-Nitrobenzoic acid 552-16-9 C7H5NO4 详情 详情
(II) 69565 trans-4-aminocyclohexyl acetate C8H15NO2 详情 详情
(III) 69566 trans-4-(2-nitrobenzamido)cyclohexyl acetate C15H18N2O5 详情 详情
(IV) 40342 4-[(2-aminobenzyl)amino]cyclohexanol C13H20N2O 详情 详情
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