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Diisopropylethylamine → N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-4-(4-ethyl-1-methyl-1H-pyrazol-5-yl)-5-methyl-2-thiophenecarboxamide

HRID 2392079
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HRID 2392079 반응식
[CH2:1]([C:3]1[CH:4]=[N:5][N:6]([CH3:17])[C:7]=1[C:8]1[CH:9]=[C:10]([C:14]([OH:16])=O)[S:11][C:12]=1[CH3:13])[CH3:2].[NH2:18][C@@H:19]([CH2:32][C:33]1[CH:38]=[CH:37][CH:36]=[CH:35][C:34]=1[C:39]([F:42])([F:41])[F:40])[CH2:20][N:21]1[C:29](=[O:30])[C:28]2[C:23](=[CH:24][CH:25]=[CH:26][CH:27]=2)[C:22]1=[O:31].C(N(C(C)C)CC)(C)C.F[P-](F)(F)(F)(F)F.Br[P+](N1CCCC1)(N1CCCC1)N1CCCC1>ClCCl>[O:30]=[C:29]1[C:28]2[C:23](=[CH:24][CH:25]=[CH:26][CH:27]=2)[C:22](=[O:31])[N:21]1[CH2:20][C@@H:19]([NH:18][C:14]([C:10]1[S:11][C:12]([CH3:13])=[C:8]([C:7]2[N:6]([CH3:17])[N:5]=[CH:4][C:3]=2[CH2:1][CH3:2])[CH:9]=1)=[O:16])[CH2:32][C:33]1[CH:38]=[CH:37][CH:36]=[CH:35][C:34]=1[C:39]([F:41])([F:40])[F:42]
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참가 물질

6

반응물 4

HCID 81531DiisopropylethylamineHCID 2733179PyBroPHCID 578265454-(4-ethyl-1-methyl-1H-pyrazol-5-yl)-5-methyl-2-thiophenecarboxylic acidHCID 578268082-{(2S)-2-amino-3-[2-(trifluoromethyl)phenyl]propyl}-1H-isoindole-1,3(2H)-dione

생성물 1

HCID 57826761N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-4-(4-ethyl-1-methyl-1H-pyrazol-5-yl)-5-methyl-2-thiophenecarboxamide
수율 82%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

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온도
25 °C

실험 절차

To a solution of 4-(4-ethyl-1-methyl-1H-pyrazol-5-yl)-5-methyl-2-thiophenecarboxylic acid (137 mg, 0.55 mmol), 2-{(2S)-2-amino-3-[2-(trifluoromethyl)phenyl]propyl}-1H-isoindole-1,3(2H)-dione (211 mg, 0.55 mmol)[prepared in Preparation 6] and diisopropylethylamine (0.48 ml, 2.74 mmol) in Dichloromethane (5.47 ml) at 25° C. was added bromo-tris-pyrrolidino-phosphonium hexafluorophosphate (281 mg, 0.60 mmol) in one portion. The solution stirred at 25° C. for 1 h and was then partitioned between H2O-DCM. The aqueous phase was washed several times with DCM and the combined organic fractions were dried over Na2SO4, concentrated and purified via column chromatography (silica, 40-70% EtOAc in hexanes) yielding N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-4-(4-ethyl-1-methyl-1H-pyrazol-5-yl)-5-methyl-2-thiophenecarboxamide (262 mg, 0.45 mmol, 82% yield) as a clear oil: LCMS (ES) m/e 581 (M+H)+.

후처리

  1. customwas then partitioned between H2O-DCM
  2. washThe aqueous phase was washed several times with DCM
  3. dry with materialthe combined organic fractions were dried over Na2SO4
  4. concentrationconcentrated
  5. custompurified via column chromatography (silica, 40-70% EtOAc in hexanes)

출처 및 근거

ORD 기록
ord-2cee9b22b0984a3697dabc1da73dc57e
출처 데이터셋
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08273782B2

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