(3-Chlorophenyl)hydrazine → HCID 178478162, compound
Reaction equation
[C:1]1(O)[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][N:7]=1.COC.[Cl:12][C:13]1[CH:14]=[C:15]([NH:19][NH2:20])[CH:16]=[CH:17][CH:18]=1>C(O)(=O)C>[Cl:12][C:13]1[CH:14]=[C:15]([NH:19][N:20]=[C:1]2[NH:7][CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]2)[CH:16]=[CH:17][CH:18]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
35 G (0.28 mole) of caprolactim-methyl-ether were added dropwise over the course of 15 minutes at 5°C, while stirring and cooling, to a solution of 36 g (0.25 mole) of 3-chlorophenylhydrazine in 250 ml of glacial acetic acid; the red-brown clear solution was kept at 0° to 5°C for a further 2 hours and then for 2 hours at 20°C and excess glacial acetic acid was distilled off in a water-pump vacuum. On fractional distillation in vacuo of the residue which remained, 56 g (94.3% of theory) of caprolactam-(3-chlorophenylhydrazone) were obtained; it was a light viscous oil of boiling point 215° to 220°C/3 mmHg, which solidified to crystals.
Workup
- waitfor 2 hours at 20°C
- distillationexcess glacial acetic acid was distilled off in a water-pump vacuum
- distillationOn fractional distillation in vacuo of the residue which
Sources & evidence
- ORD record
- ord-501dceeaf17e41fa9a686057bbd6c72d
- Source dataset
- uspto-grants-1976_02
- Patent number
- US03936444
Reaction notes
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