Sodium Dithionite → HCID 10104838, compound

HRID 2286581Notes

Reaction equation

HRID 2286581 reaction equation
CN(C)[N:3]=[CH:4][CH:5]=[C:6]([C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1)[C:7]([C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=1)=O.S(S([O-])=O)([O-])=O.[Na+].[Na+]>C(O)C.O>[C:9]1([C:7]2[NH:3][CH:4]=[CH:5][C:6]=2[C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=2)[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=1

Participants

5

Reactant 2

HCID 24489Sodium DithioniteHCID 57170110HCID 57170110, compound

Product 1

HCID 10104838HCID 10104838, compound

Reagents, catalysts & solvents 2

HCID 702EthanolSolventHCID 962WaterSolvent

Procedure

A mixture of 3.1 g (0.011 mole) of 4-dimethylhydrazono-1,2-diphenyl-2-buten-1-one, 11.2 g (0.064 mole) sodium hydrosulfite in 75 ml ethanol and 37.5 ml water was heated at reflux for three hours. The mixture was cooled and poured into 300 ml ice water. The white crystalline product was collected, washed with water and air dried to give 1.9 g (79%), m.p. 130°-1°, identical to product obtained via the decarboxylation, Method A.

Workup

  1. temperaturewas heated
  2. temperatureat reflux for three hours
  3. temperatureThe mixture was cooled
  4. customThe white crystalline product was collected
  5. washwashed with water and air
  6. customdried
  7. customto give 1.9 g (79%), m.p. 130°-1°
  8. customidentical to product obtained via the decarboxylation, Method A

Sources & evidence

ORD record
ord-2590dac9a1a44ccea1f31efd40cbe4a3
Source dataset
uspto-grants-1981_05
Patent number
US04267184

Reaction notes

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