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1-Chloroethyl chloroformate → (E)-N-Methyl-N-(1-methyl-1H-indol-2-ylmethyl)-3-(2-oxo-2,3,4,5-tetrahydro-1H-pyrido[2,3-e][1,4]diazepin-7-yl)acrylamide

HRID 1362175
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1362175
COC1C=CC(C[N:8]2[CH2:14][C:13]3[CH:15]=[C:16](/[CH:19]=[CH:20]/[C:21]([N:23]([CH3:35])[CH2:24][C:25]4[N:26]([CH3:34])[C:27]5[C:32]([CH:33]=4)=[CH:31][CH:30]=[CH:29][CH:28]=5)=[O:22])[CH:17]=[N:18][C:12]=3[NH:11][C:10](=[O:36])[CH2:9]2)=CC=1.ClC(OC(Cl)C)=O>ClC(Cl)C.CO.C(Cl)Cl>[CH3:35][N:23]([CH2:24][C:25]1[N:26]([CH3:34])[C:27]2[C:32]([CH:33]=1)=[CH:31][CH:30]=[CH:29][CH:28]=2)[C:21](=[O:22])/[CH:20]=[CH:19]/[C:16]1[CH:17]=[N:18][C:12]2[NH:11][C:10](=[O:36])[CH2:9][NH:8][CH2:14][C:13]=2[CH:15]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 2

HCID 5213051-Chloroethyl chloroformateHCID 10482563HCID 10482563, Verbindung

Produkt 1

HCID 10342386(E)-N-Methyl-N-(1-methyl-1H-indol-2-ylmethyl)-3-(2-oxo-2,3,4,5-tetrahydro-1H-pyrido[2,3-e][1,4]diazepin-7-yl)acrylamideAusbeute 49 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 887MethanolLösungsmittelHCID 6344
Dichloromethane
Lösungsmittel
HCID 63651,1-DichloroethaneLösungsmittel

Reaktionsbedingungen

Temperatur
0 °C

Versuchsvorschrift

A solution of (E)-3-[4-(4-methoxy-benzyl)-2-oxo-2,3,4,5-tetrahydro-1H-pyrido[2,3-e][1,4]diazepin-7-yl]-N-methyl-N-(1-methyl-1H-indol-2-ylmethyl)acrylamide (2.00 g, 3.92 mmol), from Example 65, in dichloroethane (80 mL) was cooled in an ice bath and treated with 1-chloroethyl chloroformate (0.47 mL, 4.31 mmol). After stirring at 0° C. under N2 for 30 min and then at room temperature for 30 min, the mixture was heated to reflux for 1.5 h. The mixture was allowed to cool and then concentrated to dryness. Purification by flash column chromatography (silica gel, CH2Cl2/MeOH, 97:3) gave a tan solid. The solid was suspended in methanol and heated to reflux for 2 h. The mixture was allowed to cool and the solid was isolated by filtration, dissolved in CH2Cl2, washed with 1 N NaOH, dried over Na2SO4, filtered and the solvent was removed in vacuo. Purification by flash column chromatography (silica gel, CH2Cl2/MeOH, 97:3 to 95:5) gave the title compound (0.70 g, 49%) as an off-white solid: 1H NMR (300 MHz, CDCl3) δ 8.38-8.33 (m, 2H), 7.72-7.67 (m, 1H), 7.60-7.57 (m, 2H), 7.32-7.20 (m, 3H), 7.14-7.09 (m, 1H), 6.90-6.80 (m, 1H), 6.49-6.38 (m, 1H), 4.93-4.78 (m, 2H), 4.08 (s, 2H), 3.95 (s, 2H), 3.71 (s, 3H), 3.13-3.07 (m, 3H); MS (ESI) m/e 390 (M+H)+.

Aufarbeitung

  1. waitat room temperature for 30 min
  2. temperaturethe mixture was heated
  3. temperatureto reflux for 1.5 h
  4. temperatureto cool
  5. concentrationconcentrated to dryness
  6. customPurification by flash column chromatography (silica gel, CH2Cl2/MeOH, 97:3)
  7. customgave a tan solid
  8. temperatureheated
  9. temperatureto reflux for 2 h
  10. temperatureto cool
  11. customthe solid was isolated by filtration
  12. washwashed with 1 N NaOH
  13. dry with materialdried over Na2SO4
  14. filtrationfiltered
  15. customthe solvent was removed in vacuo
  16. customPurification by flash column chromatography (silica gel, CH2Cl2/MeOH, 97:3 to 95:5)

Quellen und Nachweise

ORD-Eintrag
ord-dfd5815fd81a46c9b2bd3bff26b26109
Quelldatensatz
uspto-grants-2011_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07879872B2

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