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Sodium Bicarbonate → 5-(4-Fluorophenyl)-6-{hydroxy[4-(trifluoromethoxy)phenyl]methyl}-7-isopropylspiro[chromen-2,1'-cyclobutan]-4(3H)-one

HRID 1516722
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HRID 1516722 반응식
[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:20]([CH:21]=[O:22])=[C:19]([CH:23]([CH3:25])[CH3:24])[CH:18]=[C:17]3[C:9]=2[C:10](=[O:26])[CH2:11][C:12]2([O:16]3)[CH2:15][CH2:14][CH2:13]2)=[CH:4][CH:3]=1.[F:27][C:28]([F:39])([F:38])[O:29][C:30]1[CH:35]=[CH:34][C:33]([Mg]Br)=[CH:32][CH:31]=1.C(=O)(O)[O-].[Na+]>O1CCCC1.O>[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:20]([CH:21]([OH:22])[C:33]3[CH:32]=[CH:31][C:30]([O:29][C:28]([F:27])([F:38])[F:39])=[CH:35][CH:34]=3)=[C:19]([CH:23]([CH3:24])[CH3:25])[CH:18]=[C:17]3[C:9]=2[C:10](=[O:26])[CH2:11][C:12]2([O:16]3)[CH2:15][CH2:14][CH2:13]2)=[CH:4][CH:3]=1
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참가 물질

6

반응물 3

HCID 516892Sodium BicarbonateHCID 580030415-(4-Fluorophenyl)-7-isopropyl-4-oxo-3,4-dihydrospiro[chromen-2,1'-cyclobutane]-6-carbaldehydeHCID 178506384HCID 178506384, 화합물

생성물 1

HCID 580029385-(4-Fluorophenyl)-6-{hydroxy[4-(trifluoromethoxy)phenyl]methyl}-7-isopropylspiro[chromen-2,1'-cyclobutan]-4(3H)-one

시약·촉매·용매 2

HCID 962
Water
용매
HCID 8028Tetrahydrofuran용매2회

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온도
-70 °C

실험 절차

Under argon, 0.60 g (1.70 mmol) of 5-(4-fluorophenyl)-7-isopropyl-4-oxo-3,4-dihydrospiro-[chromen-2,1′-cyclobutane]-6-carbaldehyde (Example 51A) is suspended in 15 ml of tetrahydrofuran and cooled to −70° C. 4.3 ml (2.13 mmol) of a freshly prepared 0.5 M solution of [4-(trifluoromethoxy)phenyl]magnesium bromide in tetrahydrofuran are added slowly. The mixture is stirred briefly at −78° C. and then warmed to 0° C. After 1 h, the mixture is hydrolyzed with sodium bicarbonate solution, diluted with water and extracted repeatedly with ethyl acetate. The combined organic phases are washed twice with saturated sodium chloride solution, dried over sodium sulfate, filtered and concentrated. The crude product is purified on a silica gel column (mobile phase: cyclohexane/ethyl acetate 25:1→10:1). This gives 710 mg (81% of theory) of the title compound in a purity of 70%.

후처리

  1. temperaturewarmed to 0° C
  2. extractionextracted repeatedly with ethyl acetate
  3. washThe combined organic phases are washed twice with saturated sodium chloride solution
  4. dry with materialdried over sodium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customThe crude product is purified on a silica gel column (mobile phase: cyclohexane/ethyl acetate 25:1→10:1)

출처 및 근거

ORD 기록
ord-dd100a6f72c84fe59c25999e84bb1d9d
출처 데이터셋
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08227511B2

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