【结 构 式】 |
【分子编号】29116 【品名】[(2R,3R,4S,5S)-3-(acetoxy)-5-bromo-4-fluorotetrahydro-2-furanyl]methyl benzoate 【CA登记号】 |
【 分 子 式 】C14H14BrFO5 【 分 子 量 】361.1645632 【元素组成】C 46.56% H 3.91% Br 22.12% F 5.26% O 22.15% |
合成路线1
该中间体在本合成路线中的序号:(I)The reaction of 3-O-acetyl-5-O-benzoyl-2-deoxy-2-fluoro-D-arabinofuranosyl bromide (I) with tris(trimethylsilyl)cytosine (II) in methylene chloride gives 1-(3-O-acetyl-5-O-benzoyl-2-deoxy-2-fluoro-beta-D-arabinofuranosyl)cytosine (III), which is hydrolyzed by treatment with methanol NH3 to afford 1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)cytosine (IV). Finally, this compound is iodinated by treatment with HIO3 - I2 in CCl4 - H2O - acetic acid.
【1】 Lopez, C.; Reichman, U.; Fox, J.; Hirota, K.; Watanabe, K.A.; Nucleosides. 110. Synthesis and antiherpes virus activity of some 2'-fluoro-2'-deoxyarabinofuranosylpyrimidine nucleosides. J Med Chem 1979, 22, 1, 21-24. |
【2】 Thorpe, P.J.; Castaner, J.; FIAC. Drugs Fut 1981, 6, 7, 410. |
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) | 29116 | [(2R,3R,4S,5S)-3-(acetoxy)-5-bromo-4-fluorotetrahydro-2-furanyl]methyl benzoate | C14H14BrFO5 | 详情 | 详情 | |
(II) | 37571 | 4-[bis(trimethylsilyl)amino]-1-(trimethylsilyl)-2(1H)-pyrimidinone | C13H29N3OSi3 | 详情 | 详情 | |
(III) | 37572 | [(2R,3R,4S,5R)-3-(acetoxy)-5-[4-amino-2-oxo-1(2H)-pyrimidinyl]-4-fluorotetrahydro-2-furanyl]methyl benzoate | C18H18FN3O6 | 详情 | 详情 | |
(IV) | 37573 | 4-amino-1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)tetrahydro-2-furanyl]-2(1H)-pyrimidinone | C9H12FN3O4 | 详情 | 详情 |
合成路线2
该中间体在本合成路线中的序号:(I)FMAU is prepared by condensation of 3-O-benzoyl-2-fluoro-D-arabinosyl bromide (I) with trimethylsilylated thymine (II) followed by saponification of the protected nucleoside (III).
【1】 Lopez, C.; Reichman, U.; Fox, J.; Hirota, K.; Watanabe, K.A.; Nucleosides. 110. Synthesis and antiherpes virus activity of some 2'-fluoro-2'-deoxyarabinofuranosylpyrimidine nucleosides. J Med Chem 1979, 22, 1, 21-24. |
【2】 Lopez, C.; Klein, R.S.; Su, T.L.; Fox, J.J.; Watanabe, K.A.; Matsuda, A.; Chun, M.W.; Chun, C.K.; Nucleosides. 123. Synthesis of sntiviral nucleosides: 5-substituted 1-(2-deoxy-2-halogeno-beta-D-arabinofuranosyl)cytosines and -uracils. Some structure-activity relationships. J Med Chem 1983, 28, 2, 152-156. |
【3】 Lopez, C.; FMAU. Drugs Fut 1985, 10, 4, 288. |
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) | 29116 | [(2R,3R,4S,5S)-3-(acetoxy)-5-bromo-4-fluorotetrahydro-2-furanyl]methyl benzoate | C14H14BrFO5 | 详情 | 详情 | |
(II) | 12218 | 5-Methyl-2,4-bis[(trimethylsilyl)methyl]pyrimidine | C13H26N2Si2 | 详情 | 详情 | |
(III) | 29117 | [(2R,3R,4S,5R)-3-(acetoxy)-4-fluoro-5-[5-methyl-2,4-dioxo-3,4-dihydro-1(2H)-pyrimidinyl]tetrahydro-2-furanyl]methyl benzoate | C19H19FN2O7 | 详情 | 详情 |