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Water → Rac-6-[(4-tert-butylphenyl)(fluoro)methyl]-5-(4-fluorophenyl)-7-isopropyl-2,2-dimethyl-2,3-dihydro-4h-chromen-4-one

HRID 1516701
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HRID 1516701 반응식
C(N(S(F)(F)[F:7])CC)C.[C:10]([C:14]1[CH:19]=[CH:18][C:17]([CH:20](O)[C:21]2[C:22]([C:37]3[CH:42]=[CH:41][C:40]([F:43])=[CH:39][CH:38]=3)=[C:23]3[C:28](=[CH:29][C:30]=2[CH:31]([CH3:33])[CH3:32])[O:27][C:26]([CH3:35])([CH3:34])[CH2:25][C:24]3=[O:36])=[CH:16][CH:15]=1)([CH3:13])([CH3:12])[CH3:11].O>ClCCl>[C:10]([C:14]1[CH:19]=[CH:18][C:17]([CH:20]([F:7])[C:21]2[C:22]([C:37]3[CH:38]=[CH:39][C:40]([F:43])=[CH:41][CH:42]=3)=[C:23]3[C:28](=[CH:29][C:30]=2[CH:31]([CH3:32])[CH3:33])[O:27][C:26]([CH3:35])([CH3:34])[CH2:25][C:24]3=[O:36])=[CH:16][CH:15]=1)([CH3:11])([CH3:12])[CH3:13]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 962WaterHCID 123472(Diethylamino)sulfur trifluorideHCID 58002954Rac-6-[(4-tert-butylphenyl)(hydroxy)methyl]-5-(4-fluorophenyl)-7-isopropyl-2,2-dimethyl-2,3-dihydro-4h-chromen-4-one

생성물 1

HCID 58003037Rac-6-[(4-tert-butylphenyl)(fluoro)methyl]-5-(4-fluorophenyl)-7-isopropyl-2,2-dimethyl-2,3-dihydro-4h-chromen-4-one

시약·촉매·용매 1

HCID 6344
Dichloromethane
용매
2회

실험 절차

At −78° C., a solution of 46 μl (350 μmol) of diethylaminosulfur trifluoride in 1 ml of dichloromethane is slowly added dropwise to a solution of 150 mg (320 μmol) of rac-6-[(4-tert-butylphenyl)(hydroxy)methyl]-5-(4-fluorophenyl)-7-isopropyl-2,2-dimethyl-2,3-dihydro-4H-chromen-4-one (Example 27A) in 4.5 ml of dichloromethane, and the mixture is stirred at this temperature for 2.5 h. The mixture is then allowed to thaw slowly to −15° C. Water is then added, and the mixture is extracted twice with ethyl acetate. The combined organic phases are dried over sodium sulfate and concentrated under reduced pressure. Column chromatography of the residue on silica gel (mobile phase: gradient cyclohexane→cyclohexane/ethyl acetate 10:1→5:1) gives the target compound.

후처리

  1. customthaw slowly to −15° C
  2. extractionthe mixture is extracted twice with ethyl acetate
  3. dry with materialThe combined organic phases are dried over sodium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customColumn chromatography of the residue on silica gel (mobile phase: gradient cyclohexane→cyclohexane/ethyl acetate 10:1→5:1) gives the target compound

출처 및 근거

ORD 기록
ord-a78c3731ee5f443b88e16a97693ead35
출처 데이터셋
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08227511B2

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