Diisopropylethylamine → tert-butyl (NE)-N-[[(9-bromo-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepine-2-carbonyl)amino]-methylsulfanylmethylidene]carbamate

HRID 1498599Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1498599
[Br:1][C:2]1[CH:18]=[CH:17][C:5]2[C:6]3[N:7]([CH:11]=[C:12]([C:14]([OH:16])=O)[N:13]=3)[CH2:8][CH2:9][O:10][C:4]=2[CH:3]=1.[C:19]([NH:26][C:27]([S:29][CH3:30])=[NH:28])([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>C(Cl)Cl>[Br:1][C:2]1[CH:18]=[CH:17][C:5]2[C:6]3[N:7]([CH:11]=[C:12]([C:14]([N:28]=[C:27]([S:29][CH3:30])[NH:26][C:19]([O:21][C:22]([CH3:23])([CH3:24])[CH3:25])=[O:20])=[O:16])[N:13]=3)[CH2:8][CH2:9][O:10][C:4]=2[CH:3]=1

Komponenten

6

Edukt 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 582043519-Bromo-5,6-dihydrobenzo[F]imidazo[1,2-D][1,4]oxazepine-2-carboxylic acidHCID 137319820tert-butyl N-[(methylsulfanyl)methanimidoyl]carbamate

Produkt 1

HCID 178503947tert-butyl (NE)-N-[[(9-bromo-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepine-2-carbonyl)amino]-methylsulfanylmethylidene]carbamateAusbeute 60 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

9-Bromo-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2-carboxylic acid (3.2 g, 10.4 mmol), methyl N-Boc-carbamimidothioate (4.7 g, 12.4 mmol), HATU (5.0 g, 26.0 mmol) and DIPEA (6.7 g, 52.1 mmol) were dissolved in DCM (200 mL). After the resulting mixture was stirred at room temperature for 2 h, the reaction mixture was concentrated and methanol (50 mL) was added and filtered. The solid was collected to give methyl N′-9-bromo-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2-carbonyl-N-Boc-carbamimidothioate (3.0 g, 60%). 1H NMR (DMSO, 400 MHz) δ 12.84 (s, 1H), 8.31 (s, 1H), 8.18 (s, 1H), 7.32-7.27 (m, 2H), 5.72 (s, 1H), 4.49 (s, 4H), 2.30 (s, 3H), 1.49 (s, 9H)

Aufarbeitung

  1. concentrationthe reaction mixture was concentrated
  2. additionmethanol (50 mL) was added
  3. filtrationfiltered
  4. customThe solid was collected

Quellen und Nachweise

ORD-Eintrag
ord-6cb3b371ec4040d4831dab8c8943c47d
Quelldatensatz
uspto-grants-2015_12
Patentnummer
US09198918B2

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