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Hydrochloric Acid → 4-[4-(cyclopropylsulfonyl)-1H-indazol-1-yl]-5-(tetrahydro-2H-pyran-4-yl)pent-1-en-3-one

HRID 1802885
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HRID 1802885 반응식
[CH:1]1([S:4]([C:7]2[CH:15]=[CH:14][CH:13]=[C:12]3[C:8]=2[CH:9]=[N:10][N:11]3[CH:16]([CH2:23][CH:24]2[CH2:29][CH2:28][O:27][CH2:26][CH2:25]2)[C:17](N(OC)C)=[O:18])(=[O:6])=[O:5])[CH2:3][CH2:2]1.[CH:30]([Mg]Br)=[CH2:31].Cl>O1CCCC1>[CH:1]1([S:4]([C:7]2[CH:15]=[CH:14][CH:13]=[C:12]3[C:8]=2[CH:9]=[N:10][N:11]3[CH:16]([CH2:23][CH:24]2[CH2:29][CH2:28][O:27][CH2:26][CH2:25]2)[C:17](=[O:18])[CH:30]=[CH2:31])(=[O:6])=[O:5])[CH2:3][CH2:2]1
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참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 583806202-[4-(cyclopropylsulfonyl)-1H-indazol-1-yl]-N-methoxy-N-methyl-3-(tetrahydro-2H-pyran-4-yl)propanamideHCID 178418507HCID 178418507, 화합물

생성물 1

HCID 583806064-[4-(cyclopropylsulfonyl)-1H-indazol-1-yl]-5-(tetrahydro-2H-pyran-4-yl)pent-1-en-3-one수율 84%

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

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온도
0 °C

실험 절차

To a solution of 2-[4-(cyclopropylsulfonyl)-1H-indazol-1-yl]-N-methoxy-N-methyl-3-(tetrahydro-2H-pyran-4-yl)propanamide (2.30 g) in tetrahydrofuran (20 ml) was slowly added vinylmagnesium bromide (1.0M tetrahydrofuran solution: 16.4 mL) at 0° C., and the mixture was stirred at 0° C. for 20 min. The reaction mixture was poured into an ice-cooled 1M hydrochloric acid, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4), and concentrated. The residue was subjected to silica gel column chromatography to give the title compound (1.80 g, yield 84%) as a colorless oil from the fraction eluted with ethyl acetate-hexane (3:1, volume ratio). MS: 389 (MH+).

후처리

  1. customat 0° C.
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe ethyl acetate layer was washed with saturated brine
  4. dry with materialdried (MgSO4)
  5. concentrationconcentrated

출처 및 근거

ORD 기록
ord-1a67ca61bd2a4751b2dfa1984c4f3a0f
출처 데이터셋
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08349886B2

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