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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
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 921625
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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Komponenten

8

Edukt 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-carbonitrile2×HCID 86708478Tert-butyl (1-(3-amino-2-chloro-5-cyanophenyl)piperidin-4-yl)carbamate

Produkt 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
Ausbeute 66,3 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 167845palladium(II) acetateKatalysatorHCID 635956Ferrocene-1,1'-bis-(diphenylphosphine)KatalysatorHCID 312751,4-DioxaneLösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

(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.

Aufarbeitung

  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)

Quellen und Nachweise

ORD-Eintrag
ord-37f3f9acba9a483181ae8cd80adb84ca
Quelldatensatz
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09273057B2

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