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

HRID 1845458
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HRID 1845458 반응식
[Cl:1][C:2]1[CH:3]=[N:4][N:5]([CH3:17])[C:6]=1[C:7]1[CH:8]=[C:9]([C:14]([OH:16])=O)[S:10][C:11]=1[CH2:12][CH3:13].C(N(CC)C(C)C)(C)C.[NH2:27][C@@H:28]([CH2:41][C:42]1[CH:47]=[CH:46][CH:45]=[CH:44][C:43]=1[C:48]([F:51])([F:50])[F:49])[CH2:29][N:30]1[C:38](=[O:39])[C:37]2[C:32](=[CH:33][CH:34]=[CH:35][CH:36]=2)[C:31]1=[O:40].F[P-](F)(F)(F)(F)F.Br[P+](N1CCCC1)(N1CCCC1)N1CCCC1>C(Cl)Cl>[Cl:1][C:2]1[CH:3]=[N:4][N:5]([CH3:17])[C:6]=1[C:7]1[CH:8]=[C:9]([C:14]([NH:27][C@@H:28]([CH2:41][C:42]2[CH:47]=[CH:46][CH:45]=[CH:44][C:43]=2[C:48]([F:51])([F:49])[F:50])[CH2:29][N:30]2[C:38](=[O:39])[C:37]3[C:32](=[CH:33][CH:34]=[CH:35][CH:36]=3)[C:31]2=[O:40])=[O:16])[S:10][C:11]=1[CH2:12][CH3:13]
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참가 물질

6

반응물 4

HCID 81531DiisopropylethylamineHCID 2733179PyBroPHCID 578268082-{(2S)-2-amino-3-[2-(trifluoromethyl)phenyl]propyl}-1H-isoindole-1,3(2H)-dioneHCID 578268684-(4-chloro-1-methyl-1H-pyrazol-5-yl)-5-ethyl-2-thiophenecarboxylic acid

생성물 1

HCID 578267994-(4-chloro-1-methyl-1H-pyrazol-5-yl)-N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-5-ethyl-2-thiophenecarboxamide
수율 71.1%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

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온도
25 °C

실험 절차

To a solution of 4-(4-chloro-1-methyl-1H-pyrazol-5-yl)-5-ethyl-2-thiophenecarboxylic acid (200 mg, 0.74 mmol), N,N-diisopropylethylamine (0.64 ml, 3.69 mmol) and 2-{(2S)-2-amino-3-[2-(trifluoromethyl)phenyl]propyl}-1H-isoindole-1,3(2H)-dione (284 mg, 0.74 mmol) [prepared according to Preparation 6] in DCM at 25° C. was added bromo-tris-pyrrolidino-phosphonium hexafluorophosphate (414 mg, 0.886 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, 50% EtOAc in hexanes) yielding 4-(4-chloro-1-methyl-1H-pyrazol-5-yl)-N-((1S)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-1-{[2-(trifluoromethyl)phenyl]methyl}ethyl)-5-ethyl-2-thiophenecarboxamide (316 mg, 0.526 mmol, 71% yield) as a white foam: LCMS (ES) m/e 601, 603 (M, M+2)+.

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, 50% EtOAc in hexanes)

출처 및 근거

ORD 기록
ord-63286d7a93d54850bf18cb5d6b172e32
출처 데이터셋
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08946278B2

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