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Potassium Phosphate, Tribasic → methyl 3-(4-{3-[4-(1-aminocyclobutyl)phenyl]-9H-imidazo[1,2-d]pyrido[2,3-b][1,4]benzodiazepin-2-yl}phenyl)propanoate

HRID 1047019
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1047019
Br[C:2]1[N:3]=[C:4]2[C:10]3[CH:11]=[CH:12][CH:13]=[CH:14][C:9]=3[NH:8][C:7]3[N:15]=[CH:16][CH:17]=[CH:18][C:6]=3[N:5]2[C:19]=1[C:20]1[CH:25]=[CH:24][C:23]([C:26]2([NH:30]C(=O)OC(C)(C)C)[CH2:29][CH2:28][CH2:27]2)=[CH:22][CH:21]=1.[CH2:38]([O:40][C:41](=[O:53])[CH2:42][CH2:43][C:44]1[CH:49]=[CH:48][C:47](B(O)O)=[CH:46][CH:45]=1)C.[O-]P([O-])([O-])=O.[K+].[K+].[K+]>CN(C=O)C.O.CCOC(C)=O.CC(P(C(C)(C)C)C1C=CC(N(C)C)=CC=1)(C)C.CC(P(C(C)(C)C)C1C=CC(N(C)C)=CC=1)(C)C.Cl[Pd]Cl>[NH2:30][C:26]1([C:23]2[CH:24]=[CH:25][C:20]([C:19]3[N:5]4[C:6]5[CH:18]=[CH:17][CH:16]=[N:15][C:7]=5[NH:8][C:9]5[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=5[C:4]4=[N:3][C:2]=3[C:47]3[CH:48]=[CH:49][C:44]([CH2:43][CH2:42][C:41]([O:40][CH3:38])=[O:53])=[CH:45][CH:46]=3)=[CH:21][CH:22]=2)[CH2:27][CH2:28][CH2:29]1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 3

HCID 62657Potassium Phosphate, TribasicHCID 38517004-(2-Ethoxycarbonylethyl)benzeneboronic acidHCID 136331865tert-butyl {1-[4-(2-bromo-9H-imidazo[1,2-d]pyrido[2,3-b][1,4]benzodiazepin-3-yl)phenyl]cyclobutyl}carbamate

Produkt 1

HCID 56956263methyl 3-(4-{3-[4-(1-aminocyclobutyl)phenyl]-9H-imidazo[1,2-d]pyrido[2,3-b][1,4]benzodiazepin-2-yl}phenyl)propanoateAusbeute 49,2 %

Reagenzien, Katalysatoren, Lösungsmittel

3
HCID 11714597Bis(di-tert-butyl(4-dimethylaminophenyl)phosphine)dichloropalladium(II)KatalysatorHCID 8857Ethyl AcetateLösungsmittelHCID 21962138N,N-Dimethylformamide--water (1/1)Lösungsmittel

Reaktionsbedingungen

Temperatur
160 °C

Versuchsvorschrift

A mixture of tert-butyl {1-[4-(2-bromo-9H-imidazo[1,2-d]pyrido[2,3-b][1,4]benzodiazepin-3-yl)phenyl]cyclobutyl}carbamate (50 mg, 0.09 mmol), [4-(3-ethoxy-3-oxopropyl)phenyl]boronic acid (40 mg, 0.18 mmol), bis(di-tert-butyl(4-dimethylamino phenyl)phosphine)dichloropalladium(II) (6.3 mg, 0.01 mmol) and K3PO4 (72 mg, 0.27 mmol) in DMF/water (0.9 mL, 6:1, v/v) was heated at 160° C. under microwave irradiation for 1 hour. After cooling to room temperature, the mixture was diluted with EtOAc and washed with water (×3). The organic layer was dried over anhydrous Na2SO4 and concentrated. The residue was purified by HPLC. To the fraction, conc. HCl (3 ml) and methanol (3 ml) were added and the residue was evaporated after 24 h. The residue was purified by HPLC to give the titled compound as a white solid (24 mg, 42%). 1HNMR (DMSO-d6) 400 MHz δ: 8.54 (s, 1H), 8.22 (s, 1H), 8.07 (dd, J=4.6, 1.7 Hz, 1H), 7.94 (dd, J=7.7, 1.4 Hz, 1H), 7.47 (d, J=8.6 Hz, 2H), 7.42 (d, J=8.6 Hz, 2H), 7.34 (td, J=7.7, 1.5 Hz, 1H), 7.28 (dd, J=8.0, 1.1 Hz, 1H), 7.19 (d, J=8.0 Hz, 2H), 7.14 (d, J=8.6 Hz, 2H), 7.11 (t, J=8.0 Hz, 1H), 6.86 (dd, J=8.0, 1.1 Hz, 1H), 6.72 (dd, J=7.7, 4.9 Hz, 1H), 3.58 (s, 3H), 2.83 (t, J=7.4 Hz, 2H), 2.63 (t, J=8.0 Hz, 2H), 2.43-2.36 (m, 2H), 2.20-2.13 (m, 2H), 2.09-2.00 (m, 1H), 1.75-1.66 (m, 1H); LCMS: 542 [M+H].

Aufarbeitung

  1. temperatureAfter cooling to room temperature
  2. washwashed with water (×3)
  3. dry with materialThe organic layer was dried over anhydrous Na2SO4
  4. concentrationconcentrated
  5. customThe residue was purified by HPLC
  6. additionTo the fraction, conc. HCl (3 ml) and methanol (3 ml) were added
  7. customthe residue was evaporated after 24 h
  8. customThe residue was purified by HPLC

Quellen und Nachweise

ORD-Eintrag
ord-11e06b255cc3422cb29ecd28cf44f138
Quelldatensatz
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08569331B2

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