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Cesium carbonate → tert-Butyl (1-(2-chloro-5-cyano-3-((7-cyano-4-(cyclopropyl(4-methoxybenzyl)amino)imidazo[2,1-f][1,2,4]triazin-2-yl)amino)phenyl)piperidin-4-yl)carbamate

HRID 921625
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HRID 921625 반응식
Cl[C:2]1[N:7]=[C:6]([N:8]([CH:18]2[CH2:20][CH2:19]2)[CH2:9][C:10]2[CH:15]=[CH:14][C:13]([O:16][CH3:17])=[CH:12][CH:11]=2)[C:5]2=[N:21][CH:22]=[C:23]([C:24]#[N:25])[N:4]2[N:3]=1.[NH2:26][C:27]1[C:28]([Cl:49])=[C:29]([N:35]2[CH2:40][CH2:39][CH:38]([NH:41][C:42](=[O:48])[O:43][C:44]([CH3:47])([CH3:46])[CH3:45])[CH2:37][CH2:36]2)[CH:30]=[C:31]([C:33]#[N:34])[CH:32]=1.CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2.C(=O)([O-])[O-].[Cs+].[Cs+]>CC([O-])=O.CC([O-])=O.[Pd+2].C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.[Fe+2].O1CCOCC1>[Cl:49][C:28]1[C:27]([NH:26][C:2]2[N:7]=[C:6]([N:8]([CH:18]3[CH2:20][CH2:19]3)[CH2:9][C:10]3[CH:15]=[CH:14][C:13]([O:16][CH3:17])=[CH:12][CH:11]=3)[C:5]3=[N:21][CH:22]=[C:23]([C:24]#[N:25])[N:4]3[N:3]=2)=[CH:32][C:31]([C:33]#[N:34])=[CH:30][C:29]=1[N:35]1[CH2:40][CH2:39][CH:38]([NH:41][C:42](=[O:48])[O:43][C:44]([CH3:46])([CH3:45])[CH3:47])[CH2:37][CH2:36]1
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참가 물질

8

반응물 4

HCID 10796Cesium carbonateHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 867084772-Chloro-4-(cyclopropyl(4-methoxybenzyl)amino)imidazo[2,1-f][1,2,4]triazine-7-carbonitrile2회HCID 86708478Tert-butyl (1-(3-amino-2-chloro-5-cyanophenyl)piperidin-4-yl)carbamate

생성물 1

HCID 86708476
tert-Butyl (1-(2-chloro-5-cyano-3-((7-cyano-4-(cyclopropyl(4-methoxybenzyl)amino)imidazo[2,1-f][1,2,4]triazin-2-yl)amino)phenyl)piperidin-4-yl)carbamate
수율 66.3%

시약·촉매·용매 3

HCID 167845palladium(II) acetate촉매HCID 635956Ferrocene-1,1'-bis-(diphenylphosphine)촉매HCID 312751,4-Dioxane용매

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온도
100 °C

실험 절차

(I12C): 2-Chloro-4-(cyclopropyl(4-methoxybenzyl)amino)imidazo[2,1-f][1,2,4]triazine-7-carbonitrile (Intermediate 9, 0.912 g, 2.57 mmol), tert-butyl (1-(3-amino-2-chloro-5-cyanophenyl)piperidin-4-yl)carbamate (0.902 g, 2.57 mmol), Pd(OAc)2 (0.173 g, 0.771 mmol), DPPF (0.143 g, 0.257 mmol), Xantphos (0.149 g, 0.257 mmol), and cesium carbonate (1.675 g, 5.14 mmol) were combined in a round bottom flask and dioxane (17.14 ml) was added. The flask was evacuated and backfilled with nitrogen (3×), then heated at 100° C. for 1 h. The reaction mixture was filtered through Celite, rinsing with EtOAc. The organic layer was concentrated and the material was purified by column chromatography on the ISCO Companion (80 g, 0-100% EtOAc/Hex). tert-Butyl (1-(2-chloro-5-cyano-3-((7-cyano-4-(cyclopropyl(4-methoxybenzyl)amino)imidazo[2,1-f][1,2,4]triazin-2-yl)amino)phenyl)piperidin-4-yl)carbamate (1.14 g) was obtained as a yellow foam.

후처리

  1. customThe flask was evacuated
  2. filtrationThe reaction mixture was filtered through Celite
  3. washrinsing with EtOAc
  4. concentrationThe organic layer was concentrated
  5. customthe material was purified by column chromatography on the ISCO Companion (80 g, 0-100% EtOAc/Hex)

출처 및 근거

ORD 기록
ord-37f3f9acba9a483181ae8cd80adb84ca
출처 데이터셋
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09273057B2

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