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【结 构 式】

【分子编号】17463

【品名】(1R,4S,6R)-4-[(E)-2-[2-cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]ethenyl]-3,7-dioxabicyclo[4.1.0]heptan-2-one

【CA登记号】

【 分 子 式 】C25H20FNO3

【 分 子 量 】401.4371432

【元素组成】C 74.8% H 5.02% F 4.73% N 3.49% O 11.96%

与该中间体有关的原料药合成路线共 1 条

合成路线1

该中间体在本合成路线中的序号:(XLV)

Elimination of thiophenol from (XLIII) by means of CaCO3 in refluxing toluene gives the unsaturated lactone (XLIV) with the (E)-vinylene bond. The alpha,beta-epoxidation of the unsaturated lactone (XLIV) with H2O2 and NaOH in methanol/dichloromethane affords the monoepoxy lactone (XLV) regioselectively, which is finally submitted to a regioselective ring opening with diphenyl diselenide and NaBH4 in THF.

1 Castaner, J.; Sorbera, L.A.; Leeson, P.A.; NK-104. Drugs Fut 1998, 23, 8, 847-859.
2 Kamikubo, T.; Takano, S.; Sugihara, T.; Suzuki, M.; Ogasawara, K.; Enantioconvergent synthesis of a promising HMG-CoA reductase inhibitor NK-104 from both enantiomers of epichlorohydrin. Tetrahedron Asymmetry 1993, 4, 2, 201-4.
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(XLIII) 17457 (6S)-6-[2-[2-cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]-2-(phenylsulfinyl)ethyl]-5,6-dihydro-2H-pyran-2-one C31H26FNO3S 详情 详情
(XLIV) 17462 (6S)-6-[(E)-2-[2-cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]ethenyl]-5,6-dihydro-2H-pyran-2-one C25H20FNO2 详情 详情
(XLV) 17463 (1R,4S,6R)-4-[(E)-2-[2-cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]ethenyl]-3,7-dioxabicyclo[4.1.0]heptan-2-one C25H20FNO3 详情 详情
(XLVI) 64696 (4R,6S)-6-{(E)-2-[2-cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]ethenyl}-4-hydroxytetrahydro-2H-pyran-2-one C25H22FNO3 详情 详情
Extended Information