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【结 构 式】

【药物名称】MICAFUNGIN SODIUM, FK-463

【化学名称】(3S,6S,9S,11R,15S,18S,20R,21R,24S,25R,26S)-3-[3- Amino-1?-hydroxy-3-oxopropyl]-6-[1(S),2(S)-dihydroxy- 2-(4-hydroxy-3-sulfooxyphenyl)ethyl]-11,20,21,25- tetrahydroxy-15-[1?-hydroxyethyl]-26-methyl-18-[4-[5- [4-(pentyloxy)phenyl]isoxazol-3-yl]benzamido]- 1,4,7,13,16,22-hexaazatricyclo[22.3.0.09,13]heptacosane- 2,5,8,14,17,23-hexaone sodium salt

【CA登记号】208538-73-2

【 分 子 式 】C56H70N9NaO23S

【 分 子 量 】1292.2826

【开发单位】Fujisawa

【药理作用】ANTIINFECTIVE THERAPY, ANTIFUNGAL AGENTS

合成路线1

The synthesis of FK-463 can be performed as follows: The enzymatic deacylation of FR-901379 with Streptomyces anulatas No. 4811, S. anulatas No. 8703, Streptomyces strain No. 6907 or A. utahensis IFO13244 gives the deacylated lipopeptide FR-179642 (1), which is then reacylated with 1-[4-[5-(4-pentyloxyphenyl)isoxazol-3-yl]benzoyl]benzotriazole 3-oxide (VI) by means of dimethylaminopyridine (DMAP) in DMF. The acylating compound (VI) can be obtained as follows: The cyclization of 4-pentyloxyphenylacetylene (I) with 4-(hydroxyiminomethyl)benzoic acid methyl ester (II) by means of triethylamine in hot THF gives 4-[5-(4-pentyloxyphenyl)isoxazol-3-yl]benzoic acid methyl ester (III), which is hydrolyzed with NaOH in hot THF/water yielding the corresponding free acid (IV). Finally, this compound is condensed with 1-hydroxybenzotriazole (V) by means of 1-ethyl-3-[3-(dimethylamino)propyl]carbodiimide (EDMCA) in dichloromethane.

1 Ueda, S.; Ezaki, M.; Tanaka, M.; et al.; Studies on a novel lipopeptide acylase from Streptomyces spp. for production of FR179642, a key intermediate of antifungal lipopeptide drug FK463. 38th Intersci Conf Antimicrob Agents Chemother (Sept 24 1998, San Diego) 1998, Abst F-145.
2 Fromtling, R.A.; Castañer, J.; FK-463. Drugs Fut 1998, 23, 12, 1273.
3 Ohki, H.; Tomishima, M.; Yamada, A.; Takasugi, H. (Fujisawa Pharmaceutical Co., Ltd.); Cyclic hexapeptides having antibiotic activity. EP 0788511; JP 1998324695; JP 1998507174; US 6107458; WO 9611210 .
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(F- 901379) 19224 sodium (2R,6S,9S,11R,12R,14aS,15S,16S,20S,23S,25aS)-20-[(1R)-3-amino-1-hydroxy-3-oxopropyl]-23-[(1S,2S)-1,2-dihydroxy-2-[4-hydroxy-3-(sulfonatooxy)phenyl]ethyl]-2,11,12,15-tetrahydroxy-6-[(1R)-1-hydroxyethyl]-16-methyl-5,8,14,19,22,25-hexaoxo-9-(palmitoylamino)tetracosahydro-1H-dipyrrolo[2,1-c:2,1-l][1,4,7,10,13,16]hexaazacyclohenicosine C51H81N8NaO21S 详情 详情
(FR-179642) 19225 (2R,6S,9S,11R,12R,14aS,15S,16S,20S,23S,25aS)-9-Amino-20-(3-amino-1(R)-hydroxy-3-oxopropyl)-23-[1(S),2(S)-dihdyroxy-2-[4-hydroxy-3-(sulfooxy)phenyl]ethyl]-2,11,12,15-tetrahydroxy-6-(1(R)-hydroxyethyl)-16-methylperhydrodipyrrolo[2,1-c:2,1-f][1,4,7,10,13,16]hexaazacyclohenicosine-5,8,14,19,22,25-hexaone C35H51N8NaO20S 详情 详情
(I) 19218 4-ethynylphenyl pentyl ether; 1-ethynyl-4-(pentyloxy)benzene C13H16O 详情 详情
(II) 19219 methyl 4-[(hydroxyimino)methyl]benzoate C9H9NO3 详情 详情
(III) 19220 methyl 4-[5-[4-(pentyloxy)phenyl]-3-isoxazolyl]benzoate C22H23NO4 详情 详情
(IV) 19221 4-[5-[4-(pentyloxy)phenyl]-3-isoxazolyl]benzoic acid C21H21NO4 详情 详情
(V) 10184 1H-1,2,3-Benzotriazol-1-ol; 1-Hydroxybenzotriazole; 1H-Benzotriazol-1-ol; 1-Benzotriazolol 2592-95-2 C6H5N3O 详情 详情
(VI) 19223 3-(4-[5-[4-(pentyloxy)phenyl]-3-isoxazolyl]benzoyl)-3H-1,2,3-benzotriazol-1-ium-1-olate C27H24N4O4 详情 详情

合成路线2

The cyclization of the benzoic ester (I) with phenylacetylene (II) by means of triethylamine in THF gives the diphenyl isoxazole (III), which is hydrolyzed with NaOH in ethanol/THF yielding 4-[5-(4-pentyloxyphenyl)isoxazol-3-yl]benzoic acid (IV). The activation of (IV) with HOBT and WSC in dichloromethane affords the benzotriazol-1-yl ester (V), which is finally condensed with the cyclic peptide (VI) by means of DMAP in DMF.

1 Tomishima, M.; et al.; FK463, a novel water-soluble echinocandin lipopeptide: Synthesis and antifungal activity. J Antibiot 1999, 52, 7, 674.
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) 27186 methyl 4-[chloro(hydroxyimino)methyl]benzoate C9H8ClNO3 详情 详情
(II) 19218 4-ethynylphenyl pentyl ether; 1-ethynyl-4-(pentyloxy)benzene C13H16O 详情 详情
(III) 19220 methyl 4-[5-[4-(pentyloxy)phenyl]-3-isoxazolyl]benzoate C22H23NO4 详情 详情
(IV) 19221 4-[5-[4-(pentyloxy)phenyl]-3-isoxazolyl]benzoic acid C21H21NO4 详情 详情
(V) 27187 1-[(4-[5-[4-(pentyloxy)phenyl]-3-isoxazolyl]benzoyl)oxy]-1H-1,2,3-benzotriazole C27H24N4O4 详情 详情
(VI) 27188 5-((1S,2S)-2-[(2R,6S,9S,11R,12R,14aS,15S,16S,20S,23S,25aS)-9-amino-20-[(1R)-3-amino-1-hydroxy-3-oxopropyl]-2,11,12,15-tetrahydroxy-6-[(1R)-1-hydroxyethyl]-16-methyl-5,8,14,19,22,25-hexaoxotetracosahydro-1H-dipyrrolo[2,1-c:2,1-l][1,4,7,10,13,16]hexaazacyclohenicosin-23-yl]-1,2-dihydroxyethyl)-2-hydroxyphenyl hydrogen sulfate C35H52N8O20S 详情 详情
Extended Information