【结 构 式】 |
【分子编号】41816 【品名】2-methyl-6-[(4-methylphenyl)sulfonyl]-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine 【CA登记号】 |
【 分 子 式 】C19H19N3O2S 【 分 子 量 】353.44488 【元素组成】C 64.57% H 5.42% N 11.89% O 9.05% S 9.07% |
合成路线1
该中间体在本合成路线中的序号:(XI)The bromination of 1-(p-toluenesulfonyl)-2,3,4,5-tetrahydro-1H-1-benzazepin-5-one (IX) with Br2 in CHCl3 gives the alpha-bromo ketone (X), which is cyclized with acetamidine hydrochloride (VIII) by means of K2CO3, yielding the expected imidazo-benzazepine (XI). This compound is detosylated with hot H2SO4 to provide 2-methyl-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine (XII). Acylation of (XII) with 4-nitroben-zoic acid (XIII) by means of pyridine in either hot MeCN or DMF affords the 6-(4-nitro-benzoyl) derivative (XIV), which is reduced with H2 and Raney-Ni in MeOH to the corres-ponding 6-(4-aminobenzoyl) compound (XV). Finally, this compound is condensed with biphenyl-2-carbonyl chloride (XVI) [ obtained by treatment of biphenyl-2-carboxylic acid (V) with oxalyl chloride in CH2Cl2/DMF] by means of pyridine in acetonitrile and treated with 4N HCl.
【1】 Castañer, R.M.; Norman, P.; Rabasseda, X.; Leeson, P.A.; Castañer, J.; Conivaptan Hydrochloride. Drugs Fut 2000, 25, 11, 1121. |
【2】 Yamazaki, A.; Tanaka, A.; Tsunoda, T. (Yamanouchi Pharmaceutical Co., Ltd.); Novel preparation method of condensed benzazepine derivs.. JP 1996198879 . |
中间体序号 | 中间体编号 | 品名 | CAS号 | 分子式 | 供应商 | 用于合成 |
---|---|---|---|---|---|---|
(V) | 18505 | [1,1'-biphenyl]-2-carboxylic acid | 947-84-2 | C13H10O2 | 详情 | 详情 |
(VIII) | 15866 | ethanimidamide | C2H6N2 | 详情 | 详情 | |
(IX) | 14763 | 1-[(4-methylphenyl)sulfonyl]-1,2,3,4-tetrahydro-5H-1-benzazepin-5-one | C17H17NO3S | 详情 | 详情 | |
(X) | 41815 | 4-bromo-1-[(4-methylphenyl)sulfonyl]-1,2,3,4-tetrahydro-5H-1-benzazepin-5-one | C17H16BrNO3S | 详情 | 详情 | |
(XI) | 41816 | 2-methyl-6-[(4-methylphenyl)sulfonyl]-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine | C19H19N3O2S | 详情 | 详情 | |
(XII) | 41817 | 2-methyl-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine | 318237-73-9 | C12H13N3 | 详情 | 详情 |
(XIII) | 18119 | 4-nitrobenzoic acid; p-nitrobenzoic acid | 62-23-7 | C7H5NO4 | 详情 | 详情 |
(XIV) | 41818 | [2-methyl-4,5-dihydroimidazo[4,5-d][1]benzazepin-6(1H)-yl](4-nitrophenyl)methanone | C19H16N4O3 | 详情 | 详情 | |
(XV) | 41819 | (4-aminophenyl)[2-methyl-4,5-dihydroimidazo[4,5-d][1]benzazepin-6(1H)-yl]methanone | C19H18N4O | 详情 | 详情 | |
(XVI) | 18506 | [1,1'-biphenyl]-2-carbonyl chloride | C13H9ClO | 详情 | 详情 |
合成路线2
该中间体在本合成路线中的序号:(VII)
【1】 Tsunoda T, Tanaka A, et al.2004.Anew synthetic route to YM087, an argirune asopressin antagonist.Heterocycles, 63: 1113---1122 |
中间体序号 | 中间体编号 | 品名 | CAS号 | 分子式 | 供应商 | 用于合成 |
---|---|---|---|---|---|---|
(V) | 14763 | 1-[(4-methylphenyl)sulfonyl]-1,2,3,4-tetrahydro-5H-1-benzazepin-5-one | C17H17NO3S | 详情 | 详情 | |
(I) | 11161 | methyl 2-aminobenzoate; Methyl anthranilate | 134-20-3 | C8H9NO2 | 详情 | 详情 |
(II) | 66212 | methyl 2-(4-methylphenylsulfonamido)benzoate | C15H15NO4S | 详情 | 详情 | |
(III) | 66213 | methyl 2-(N-(3-cyanopropyl)-4-methylphenylsulfonamido)benzoate | C19H20N2O4S | 详情 | 详情 | |
(IV) | 66214 | 4-ethynyl-1-tosyl-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one | C19H17N2O3S | 详情 | 详情 | |
(VI) | 41815 | 4-bromo-1-[(4-methylphenyl)sulfonyl]-1,2,3,4-tetrahydro-5H-1-benzazepin-5-one | C17H16BrNO3S | 详情 | 详情 | |
(VII) | 41816 | 2-methyl-6-[(4-methylphenyl)sulfonyl]-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine | C19H19N3O2S | 详情 | 详情 | |
(VIII) | 41817 | 2-methyl-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine | 318237-73-9 | C12H13N3 | 详情 | 详情 |
(IX) | 41818 | [2-methyl-4,5-dihydroimidazo[4,5-d][1]benzazepin-6(1H)-yl](4-nitrophenyl)methanone | C19H16N4O3 | 详情 | 详情 | |
(X) | 41819 | (4-aminophenyl)[2-methyl-4,5-dihydroimidazo[4,5-d][1]benzazepin-6(1H)-yl]methanone | C19H18N4O | 详情 | 详情 | |
(XII) | 18941 | p-nitrobenzoyl chloride; 4-nitrobenzoyl chloride | 122-04-3 | C7H4ClNO3 | 详情 | 详情 |