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Isocyanate → HCID 10573917, compound

HRID 1977734
Notes
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Reaction equation

HRID 1977734 reaction equation
[Br:1][C:2]1[CH:3]=[C:4](C(N=[N+]=[N-])=O)[CH:5]=[N:6][CH:7]=1.[N-:13]=[C:14]=[O:15].[CH3:16][O:17][C:18]1[CH:19]=[C:20]2[C:24](=[CH:25][C:26]=1[C:27]([F:30])([F:29])[F:28])[NH:23][CH2:22][CH2:21]2>C1(C)C=CC=CC=1.ClCCl>[Br:1][C:2]1[CH:3]=[C:4]([NH:13][C:14]([N:23]2[C:24]3[C:20](=[CH:19][C:18]([O:17][CH3:16])=[C:26]([C:27]([F:29])([F:30])[F:28])[CH:25]=3)[CH2:21][CH2:22]2)=[O:15])[CH:5]=[N:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 105034IsocyanateHCID 112067135-Methoxy-6-(trifluoromethyl)indolineHCID 156228505-Bromopyridine-3-carbonyl azide

Product 1

HCID 10573917HCID 10573917, compoundYield 81%

Reagents, catalysts & solvents 2

HCID 1140TolueneSolvent
HCID 6344
Dichloromethane
Solvent

Procedure

5-Bromo-3-pyridylcarbonylazide (3.7 g, 16 mmoles) was heated under reflux in dry toluene (100 ml) for 1 hr. After cooling the resulting solution of isocyanate was treated with a solution of 5-methoxy-6-trifluoromethyl indoline (D11) (3.5 g, 16 mmoles) in dichloromethane (600 ml) and stirred overnight. The mixture was concentrated in vacuo and the residue triturated with diethyl ether. Filtration and washing with more diethyl ether gave the title compound (D26) (5.4 g, 81%).

Workup

  1. concentrationThe mixture was concentrated in vacuo
  2. customthe residue triturated with diethyl ether
  3. filtrationFiltration
  4. washwashing with more diethyl ether

Sources & evidence

ORD record
ord-cc56efc174944a089ddd93295700c01d
Source dataset
uspto-grants-2001_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06235758B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes