【结 构 式】 |
【分子编号】28457 【品名】tert-butyl (5S,6S,9S)-6-benzyl-9-(tert-butyl)-5-hydroxy-3-[4-[2-(1-methyl-1-phenylethyl)-2H-1,2,3,4-tetraazol-5-yl]benzyl]-8,11-dioxo-12-oxa-2,3,7,10-tetraazatridecan-1-oate 【CA登记号】 |
【 分 子 式 】C40H54N8O6 【 分 子 量 】742.91908 【元素组成】C 64.67% H 7.33% N 15.08% O 12.92% |
合成路线1
该中间体在本合成路线中的序号:(XI)Cycloaddition of sodium azide to 4-formylbenzonitrile (I) yielded tetrazole (II), which was protected with 2-phenylpropene (III) in the presence of methanesulfonic acid to give (IV). Subsequent condensation of (IV) with tert-butyl carbazate afforded hydrazone (V), which was further reduced to the benzylhydrazine (VI) employing NaBH3CN and p-toluenesulfonic acid. Opening of the trifluoroacetyl-protected epoxide (VII) with hydrazine (VI) gave hydrazinoalcohol (VIII). After hydrolysis of the trifluoroacetamide group of (VIII) with K2CO3, the resulting amine (IX) was coupled with N-methoxycarbonyl-L-tert-leucine (X) by means of EDC and HOBt to provide amide (XI).
【1】 Fassler, A.; Bold, G.; Capraro, H.-G.; Lang, M.; Khanna, S.C. (Novartis AG); Antivirally active heterocyclic azahexane derivs.. EP 0900210; JP 1999511177; US 5849911; WO 9740029 . |
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) | 17552 | 4-formylbenzonitrile; 4-Cyanobenzaldehyde | 105-07-7 | C8H5NO | 详情 | 详情 |
(II) | 28449 | 4-(2H-1,2,3,4-tetraazol-5-yl)benzaldehyde | 74815-22-8 | C8H6N4O | 详情 | 详情 |
(III) | 28450 | 1-isopropenylbenzene | 98-83-9 | C9H10 | 详情 | 详情 |
(IV) | 28451 | 4-[2-(1-methyl-1-phenylethyl)-2H-1,2,3,4-tetraazol-5-yl]benzaldehyde | C17H16N4O | 详情 | 详情 | |
(V) | 28452 | tert-butyl 2-((Z)-[4-[2-(1-methyl-1-phenylethyl)-2H-1,2,3,4-tetraazol-5-yl]phenyl]methylidene)-1-hydrazinecarboxylate | C22H26N6O2 | 详情 | 详情 | |
(VI) | 28453 | tert-butyl 2-[4-[2-(1-methyl-1-phenylethyl)-2H-1,2,3,4-tetraazol-5-yl]benzyl]-1-hydrazinecarboxylate | C22H28N6O2 | 详情 | 详情 | |
(VII) | 28454 | 2,2,2-trifluoro-N-[(1S)-1-[(2R)oxiranyl]-2-phenylethyl]acetamide | C12H12F3NO2 | 详情 | 详情 | |
(VIII) | 28455 | tert-butyl 2-[(2S,3S)-2-hydroxy-4-phenyl-3-[(2,2,2-trifluoroacetyl)amino]butyl]-2-[4-[2-(1-methyl-1-phenylethyl)-2H-1,2,3,4-tetraazol-5-yl]benzyl]-1-hydrazinecarboxylate | C34H40F3N7O4 | 详情 | 详情 | |
(IX) | 28456 | tert-butyl 2-[(2S,3S)-3-amino-2-hydroxy-4-phenylbutyl]-2-[4-[2-(1-methyl-1-phenylethyl)-2H-1,2,3,4-tetraazol-5-yl]benzyl]-1-hydrazinecarboxylate | C32H41N7O3 | 详情 | 详情 | |
(X) | 23447 | (2S)-2-[(methoxycarbonyl)amino]-3,3-dimethylbutyric acid | C8H15NO4 | 详情 | 详情 | |
(XI) | 28457 | tert-butyl (5S,6S,9S)-6-benzyl-9-(tert-butyl)-5-hydroxy-3-[4-[2-(1-methyl-1-phenylethyl)-2H-1,2,3,4-tetraazol-5-yl]benzyl]-8,11-dioxo-12-oxa-2,3,7,10-tetraazatridecan-1-oate | C40H54N8O6 | 详情 | 详情 |
合成路线2
该中间体在本合成路线中的序号:(XI)Deprotection of the Boc group of XI) by treatment with HCl furnished hydrazine (XII), which was coupled with N-methoxycarbonyl-L-tert-leucine (X) to afford bisamide (XIII). The alpha,alpha-dimethyl benzyl protecting group of (XIII) was then removed with 80% H2SO4, and the deprotected tetrazole (XIV) was finally alkylated with CH3I to provide the title compound.
【1】 Fassler, A.; Bold, G.; Capraro, H.-G.; Lang, M.; Khanna, S.C. (Novartis AG); Antivirally active heterocyclic azahexane derivs.. EP 0900210; JP 1999511177; US 5849911; WO 9740029 . |
中间体序号 | 中间体编号 | 品名 | CAS号 | 分子式 | 供应商 | 用于合成 |
---|---|---|---|---|---|---|
(X) | 23447 | (2S)-2-[(methoxycarbonyl)amino]-3,3-dimethylbutyric acid | C8H15NO4 | 详情 | 详情 | |
(XI) | 28457 | tert-butyl (5S,6S,9S)-6-benzyl-9-(tert-butyl)-5-hydroxy-3-[4-[2-(1-methyl-1-phenylethyl)-2H-1,2,3,4-tetraazol-5-yl]benzyl]-8,11-dioxo-12-oxa-2,3,7,10-tetraazatridecan-1-oate | C40H54N8O6 | 详情 | 详情 | |
(XII) | 28458 | methyl (1S)-1-([[(1S,2S)-1-benzyl-2-hydroxy-3-(1-[4-[2-(1-methyl-1-phenylethyl)-2H-1,2,3,4-tetraazol-5-yl]benzyl]hydrazino)propyl]amino]carbonyl)-2,2-dimethylpropylcarbamate | C35H46N8O4 | 详情 | 详情 | |
(XIII) | 28459 | methyl (1S,4S,5S,10S)-4-benzyl-1,10-di(tert-butyl)-5-hydroxy-7-[4-[2-(1-methyl-1-phenylethyl)-2H-1,2,3,4-tetraazol-5-yl]benzyl]-2,9,12-trioxo-13-oxa-3,7,8,11-tetraazatetradec-1-ylcarbamate | C43H59N9O7 | 详情 | 详情 | |
(XIV) | 28460 | methyl (1S,4S,5S,10S)-4-benzyl-1,10-di(tert-butyl)-5-hydroxy-2,9,12-trioxo-7-[4-(2H-1,2,3,4-tetraazol-5-yl)benzyl]-13-oxa-3,7,8,11-tetraazatetradec-1-ylcarbamate | C34H49N9O7 | 详情 | 详情 |