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Cesium carbonate → 2-{4-[2-(2-Isopropyl-5-methyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulen-8-yl]-piperidin-1-yl}-2-methyl-propionic acid ethyl ester

HRID 1498433
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HRID 1498433 반응식
Cl.[CH:2]([N:5]1[C:9]([C:10]2[N:19]=[C:18]3[N:12]([CH2:13][CH2:14][O:15][C:16]4[CH:23]=[C:22]([CH:24]5[CH2:29][CH2:28][NH:27][CH2:26][CH2:25]5)[CH:21]=[CH:20][C:17]=43)[CH:11]=2)=[N:8][C:7]([CH3:30])=[N:6]1)([CH3:4])[CH3:3].[CH2:31]([O:33][C:34](=[O:39])[C:35](Br)([CH3:37])[CH3:36])[CH3:32].C(=O)([O-])[O-].[Cs+].[Cs+]>CN(C=O)C>[CH2:31]([O:33][C:34](=[O:39])[C:35]([N:27]1[CH2:28][CH2:29][CH:24]([C:22]2[CH:21]=[CH:20][C:17]3[C:18]4[N:12]([CH2:13][CH2:14][O:15][C:16]=3[CH:23]=2)[CH:11]=[C:10]([C:9]2[N:5]([CH:2]([CH3:4])[CH3:3])[N:6]=[C:7]([CH3:30])[N:8]=2)[N:19]=4)[CH2:25][CH2:26]1)([CH3:37])[CH3:36])[CH3:32]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 10796Cesium carbonateHCID 11745Propanoic acid, 2-bromo-2-methyl-, ethyl esterHCID 67050639HCID 67050639, 화합물

생성물 1

HCID 582048822-{4-[2-(2-Isopropyl-5-methyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulen-8-yl]-piperidin-1-yl}-2-methyl-propionic acid ethyl ester수율 36.4%

시약·촉매·용매 1

HCID 6228
Dimethylformamide
용매

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온도
70 °C

실험 절차

A mixture of 2-(2-isopropyl-5-methyl-2H-[1,2,4]triazol-3-yl)-8-piperidin-4-yl-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulene hydrochloride (100 mg, 0.255 mmol), 2-bromo-2-methyl-propionic acid ethyl ester (45 uL, 0.31 mmol), cesium carbonate (187 mg, 0.57 mmol) and DMF (0.5 mL) was heated at 70° C. for 3 h the then stirred at RT for 18 h then heated again at 70° C. for 4 h before concentrating in vacuo. The resultant residue was subjected to flash chromatography (SiO2, gradient 0 to 5% methanol in DCM) to give 2-{4-[2-(2-Isopropyl-5-methyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulen-8-yl]-piperidin-1-yl}-2-methyl-propionic acid ethyl ester (47 mg, 36%). LCMS RT=2.24, [M+H]+=507.

후처리

  1. temperaturethen heated again at 70° C. for 4 h
  2. concentrationbefore concentrating in vacuo

출처 및 근거

ORD 기록
ord-da6bb23140cb41ef95edea3d99c2d712
출처 데이터셋
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09198918B2

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