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Nitroethane → HCID 2063266, compound

HRID 2381271
Notes
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Reaction equation

HRID 2381271 reaction equation
[Cl:1][C:2]1[CH:9]=[C:8]([Cl:10])[CH:7]=[CH:6][C:3]=1[CH:4]=O.[N+:11]([CH2:14][CH3:15])([O-:13])=[O:12].C([O-])(=O)C.[NH4+]>C(O)(=O)C>[Cl:1][C:2]1[CH:9]=[C:8]([Cl:10])[CH:7]=[CH:6][C:3]=1/[CH:4]=[C:14](/[N+:11]([O-:13])=[O:12])\[CH3:15]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 6587NitroethaneHCID 134042,4-DichlorobenzaldehydeHCID 517165Ammonium Acetate

Product 1

HCID 2063266HCID 2063266, compoundYield 55%

Reagents, catalysts & solvents 1

HCID 176Acetic AcidSolvent

Conditions

Temperature
90 °C

Procedure

In a sulfonation flask 2,4-dichloro-benzaldehyde (77 g, 0.44 mol), nitroethane (216 ml, 3.04 mol) and ammonium acetate (81.4 g, 1.06 mol) were added to glacial acetic acid (600 ml). The resulting solution was heated to 90° C. for three hours. After removal of the solvent ice-water (400 ml) was added. The solid product was collected by filtration, washed with water and recrystallized from ethanol. 55.9 g (55% of theory) of 2,4-dichloro-1-((E)-2-nitro-propenyl)-benzene was obtained in the form of a yellow solid (m.p. 79-81° C.).

Workup

  1. customAfter removal of the solvent ice-water (400 ml)
  2. additionwas added
  3. filtrationThe solid product was collected by filtration
  4. washwashed with water
  5. customrecrystallized from ethanol

Sources & evidence

ORD record
ord-2a58acb9666b4f21bd5a5e9bee169500
Source dataset
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08258169B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes