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Potassium Carbonate → 4-Cyano-2-{5-[4-(6-(2-[5-(2-methoxycarbonylamino-3-methyl-butyryl)-5-aza-spiro[2.4]hept-6-yl]-3H-imidazol-4-yl}-naphthalen-2-yl)-phenyl]-1H-imidazol-2-yl}-pyrrolidine-1-carboxylic acid tert-butyl ester

HRID 1185889
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1185889
[C:1]([O:5][C:6]([N:8]1[CH2:12][CH:11]([C:13]#[N:14])[CH2:10][CH:9]1[C:15]1[NH:16][C:17]([C:20]2[CH:25]=[CH:24][C:23](B3OC(C)(C)C(C)(C)O3)=[CH:22][CH:21]=2)=[CH:18][N:19]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH3:35][O:36][C:37](=[O:68])[NH:38][CH:39]([C:43]([N:45]1[CH:51]([C:52]2[NH:53][C:54]([C:57]3[CH:66]=[CH:65][C:64]4[C:59](=[CH:60][CH:61]=[C:62](Br)[CH:63]=4)[CH:58]=3)=[CH:55][N:56]=2)[CH2:50][C:47]2([CH2:49][CH2:48]2)[CH2:46]1)=[O:44])[CH:40]([CH3:42])[CH3:41].C([O-])([O-])=O.[K+].[K+]>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:1]([O:5][C:6]([N:8]1[CH2:12][CH:11]([C:13]#[N:14])[CH2:10][CH:9]1[C:15]1[NH:16][C:17]([C:20]2[CH:25]=[CH:24][C:23]([C:62]3[CH:61]=[CH:60][C:59]4[C:64](=[CH:65][CH:66]=[C:57]([C:54]5[NH:53][C:52]([CH:51]6[CH2:50][C:47]7([CH2:48][CH2:49]7)[CH2:46][N:45]6[C:43](=[O:44])[CH:39]([NH:38][C:37]([O:36][CH3:35])=[O:68])[CH:40]([CH3:42])[CH3:41])=[N:56][CH:55]=5)[CH:58]=4)[CH:63]=3)=[CH:22][CH:21]=2)=[CH:18][N:19]=1)=[O:7])([CH3:3])([CH3:4])[CH3:2]
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Komponenten

5

Edukt 3

HCID 11430Potassium CarbonateHCID 66620764(1-{6-[5-(6-Bromo-naphthalen-2-yl)-1H-imidazol-2-yl]-5-aza-spiro[2.4]heptane-5-carbonyl}-2-methyl-propyl)-carbamic acid methyl esterHCID 666208224-Cyano-2-{5-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-1H-imidazol-2-yl}-pyrrolidine-1-carboxylic acid tert-butyl ester

Produkt 1

HCID 66620944
4-Cyano-2-{5-[4-(6-(2-[5-(2-methoxycarbonylamino-3-methyl-butyryl)-5-aza-spiro[2.4]hept-6-yl]-3H-imidazol-4-yl}-naphthalen-2-yl)-phenyl]-1H-imidazol-2-yl}-pyrrolidine-1-carboxylic acid tert-butyl ester
Ausbeute 68,4 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 178418397HCID 178418397, VerbindungKatalysator

Versuchsvorschrift

4-Cyano-2-{5-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-1H-imidazol-2-yl}-pyrrolidine-1-carboxylic acid tert-butyl ester (0.990 g, 2.13 mmol), (1-{6-[5-(6-Bromo-naphthalen-2-yl)-1H-imidazol-2-yl]-5-aza-spiro[2.4]heptane-5-carbonyl}-2-methyl-propyl)-carbamic acid methyl ester (1.007 g, 1.92 mmol), Pd(PPh3)4 (222 mg, 0.192 mmol) and K2CO3 (2.0 M in H2O, 2.1 mL, 4.2 mmol) were combined in 1,2-dimethoxymethane. The mixture was degassed for 10 min with bubbling N2 then heated to reflux for 4 h then cooled. The reaction mixture was diluted with EtOAc and washed with saturated aqueous NaHCO3 and brine before being dried over MgSO4, filtered and concentrated. The crude residue was purified by silica column chromatography (EtOAc, then 2% MeOH/DCM, then 4% MeOH/DCM) to provide the title compound (1.028 g, 68%).

Aufarbeitung

  1. customThe mixture was degassed for 10 min with bubbling N2
  2. temperaturethen heated
  3. temperatureto reflux for 4 h
  4. temperaturethen cooled
  5. additionThe reaction mixture was diluted with EtOAc
  6. washwashed with saturated aqueous NaHCO3 and brine
  7. dry with materialbefore being dried over MgSO4
  8. filtrationfiltered
  9. concentrationconcentrated
  10. customThe crude residue was purified by silica column chromatography (EtOAc

Quellen und Nachweise

ORD-Eintrag
ord-51fd64fa19df478e9f6208740f6a5172
Quelldatensatz
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08669234B2

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