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Chlorosuccinimide → 2,3,4-Trichloro-6-nitrobenzenamine

HRID 1521432
Notes
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Reaction equation

HRID 1521432 reaction equation
[Cl:1][C:2]1[C:7]([Cl:8])=[CH:6][C:5]([NH2:9])=[C:4]([N+:10]([O-:12])=[O:11])[CH:3]=1.[Cl:13]N1C(=O)CCC1=O>CN(C=O)C>[Cl:13][C:6]1[C:7]([Cl:8])=[C:2]([Cl:1])[CH:3]=[C:4]([N+:10]([O-:12])=[O:11])[C:5]=1[NH2:9]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 31398ChlorosuccinimideHCID 811494,5-Dichloro-2-nitroaniline

Product 1

HCID 107052972,3,4-Trichloro-6-nitrobenzenamineYield 81%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Conditions

Temperature
100 °C

Procedure

A mixture of 4,5-dichloro-2-nitro-phenylamine (0.500 g, 2.42 mmol), N-chlorosuccinimide (0.403 g, 3.02 mmol), and DMF (5 mL) was heated to 100° C. for 1 h. After cooling to 23° C., the solution was poured into ice water. The yellow precipitate was collected by filtration and dissolved in dichloromethane. The organic phase was washed with water, dried (MgSO4), filtered, and concentrated to yield the titled compound (0.468 g, 81%). 1H NMR (400 MHz, CDCl3): 8.28 (s, 1H), 6.70 (s, 2H). The compound did not yield MS data.

Workup

  1. temperatureAfter cooling to 23° C.
  2. filtrationThe yellow precipitate was collected by filtration
  3. dissolutiondissolved in dichloromethane
  4. washThe organic phase was washed with water
  5. dry with materialdried (MgSO4)
  6. filtrationfiltered
  7. concentrationconcentrated

Sources & evidence

ORD record
ord-ddcd723d5a1e4fda88d99e9de6b2ce93
Source dataset
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09073923B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes