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【结 构 式】

【药物名称】(+)-Hemipalmitoylcarnitinium, Z-15

【化学名称】2-[6(S)-Hydroxy-4,4-dimethyl-6-pentadecylmorpholinium-2(R)-yl]acetate
      (2S,6R)-6-(Carboxymethyl)-2-hydroxy-4,4-dimethyl-2-pentadecylmorpholinium inner salt

【CA登记号】145554-73-0, 145631-91-0 (hydrate)

【 分 子 式 】C23H45NO4

【 分 子 量 】399.6194

【开发单位】Virginia Tech (Originator)

【药理作用】AIDS Medicines, Antifungal Agents, Anti-Herpes Virus Drugs, Anti-HIV Agents, ANTIINFECTIVE THERAPY, Antiviral Drugs, Contraceptives, Disorders of Sexual Function and Reproduction, Treatment of, ENDOCRINE DRUGS, Female Contraceptives, Vaginal Spermicides, Carnitine O-Palmitoyltransferase 1 (CPT-1) Inhibitors

合成路线1

Intermediate hydroxyester (III) has been obtained as follows: Demethylation of (R)-carnitine (I) by thiophenol in dimethylaminoethanol, followed by precipitation with LiOH, gave lithium carboxylate (II), which was esterified to (III) by treatment either with H2SO4 in MeOH or with trimethyl orthoformate in refluxing methanol.

1 Bryant, S.D.; Hubieki, M.P.; Robinette, R.G.; Gandourk, R.D.; Savle, P.S.; Doncel, G.F.; Acylcarnitine analogues as topical, microbicidal spermicides. Bioorg Med Chem Lett 1999, 9, 17, 2545.
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) 42353 (3R)-3-hydroxy-4-(trimethylammonio)butanoate; L(-)-Carnitine 541-15-1 C7H15NO3 详情 详情
(II) 42354 lithium (3R)-4-(dimethylamino)-3-hydroxybutanoate C6H12LiNO3 详情 详情
(III) 42355 methyl (3R)-4-(dimethylamino)-3-hydroxybutanoate C7H15NO3 详情 详情

合成路线2

The condensation of palmitoyl chloride (IV) with diazomethane produced diazoketone (V). This was then treated with HBr to yield bromoketone (VI).

1 Gandour, R.D.; et al.; (+)-Hemipalmitoylcarnitinium strongly inhibits carnitine palmitoyltransfease-I in intact mitochondria. J Med Chem 1993, 36, 2, 237.
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(IV) 30295 tetradecanoyl chloride 112-64-1 C14H27ClO 详情 详情
(V) 42356   C15H28N2O 详情 详情
(VI) 42357 1-bromo-2-heptadecanone C17H33BrO 详情 详情

合成路线3

In a different procedure, treatment of olefin (VII) with N-bromosuccinimide produced bromohydrin (VIII), which was further oxidized to bromoketone (VI) by means of Jones reagent. Condensation of bromoketone (VI) with aminoalcohol (III) in nitromethane furnished the morpholine derivative (IX). The ester group was finally hydrolyzed with to yield the title compound.

1 Bryant, S.D.; Hubieki, M.P.; Robinette, R.G.; Gandourk, R.D.; Savle, P.S.; Doncel, G.F.; Acylcarnitine analogues as topical, microbicidal spermicides. Bioorg Med Chem Lett 1999, 9, 17, 2545.
2 Gandour, R.D.; et al.; (+)-Hemipalmitoylcarnitinium strongly inhibits carnitine palmitoyltransfease-I in intact mitochondria. J Med Chem 1993, 36, 2, 237.
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(III) 42355 methyl (3R)-4-(dimethylamino)-3-hydroxybutanoate C7H15NO3 详情 详情
(VI) 42357 1-bromo-2-heptadecanone C17H33BrO 详情 详情
(VII) 42358 1-heptadecene 6765-39-5 C17H34 详情 详情
(VIII) 42359 1-bromo-2-heptadecanol C17H35BrO 详情 详情
(IX) 42360 (2S,6R)-2-hydroxy-6-(2-methoxy-2-oxoethyl)-4,4-dimethyl-2-pentadecylmorpholin-4-ium bromide C24H48BrNO4 详情 详情
Extended Information