4-Chloro-8-nitroquinazoline → HCID 11462514, compound

HRID 513743

Reaction equation

HRID 513743 reaction equation
O.[C:2]1([CH3:13])[CH:7]=[CH:6][C:5]([S:8]([NH:11][NH2:12])(=[O:10])=[O:9])=[CH:4][CH:3]=1.Cl[C:15]1[C:24]2[C:19](=[C:20]([N+:25]([O-:27])=[O:26])[CH:21]=[CH:22][CH:23]=2)[N:18]=[CH:17][N:16]=1>C(Cl)Cl>[CH3:13][C:2]1[CH:3]=[CH:4][C:5]([S:8]([NH:11][NH:12][C:15]2[C:24]3[C:19](=[C:20]([N+:25]([O-:27])=[O:26])[CH:21]=[CH:22][CH:23]=3)[N:18]=[CH:17][N:16]=2)(=[O:9])=[O:10])=[CH:6][CH:7]=1

Participants

4

Procedure

p-Toluene sulphonyl hydrazine hydrate (390 mg, 2.1 mmol) was added to a solution of 4-chloro-8-nitro-quinazoline 477 (400 mg, 1.91 mmol) in DCM at (10 ml) and the mixture was stirred at room temperature for 24 h. The mixture was concentrated in vacuo and washed with Et20 to give the title compound (650 mg, 95%).

Workup

  1. concentrationThe mixture was concentrated in vacuo
  2. washwashed with Et20

Sources & evidence

ORD record
ord-df26422ddfb343fabb844c4eb5bb9369
Source dataset
uspto-grants-2015_08
Patent number
US09102688B2

Linked notes

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