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56716-21-3

56716-21-3 Structure

56716-21-3 Structure
IdentificationBack Directory
[Name]

Dimethylcarbamic acid 5,6,7,8-tetrahydro-2-methylquinolin-4-yl ester
[CAS]

56716-21-3
[Synonyms]

Quinocarb
hyquincarb
Dimethylcarbamic acid 5,6,7,8-tetrahydro-2-methylquinolin-4-yl ester
Carbamic acid, N,N-dimethyl-, 5,6,7,8-tetrahydro-2-methyl-4-quinolinyl ester
[Molecular Formula]

C13H18N2O2
[MOL File]

56716-21-3.mol
[Molecular Weight]

234.29
Chemical PropertiesBack Directory
[Melting point ]

89 °C
[Boiling point ]

354.8±42.0 °C(Predicted)
[density ]

1.131±0.06 g/cm3(Predicted)
[pka]

6.59±0.20(Predicted)
Safety DataBack Directory
[HS Code ]

2933490090
Hazard InformationBack Directory
[Production Methods]

Commercial literature does not provide a detailed manufacturing description for hyquincarb, but its production can be inferred from its structure and from general carbamate insecticide manufacturing practices. It is likely to be formed by coupling a tetrahydroquinolinyl alcohol intermediate with dimethylcarbamoyl chloride or an equivalent dimethylcarbamoylating agent. Industrial synthesis therefore begins with construction of the 2 methyl 5,6,7,8 tetrahydroquinolin 4 ol scaffold, typically via catalytic hydrogenation and controlled functionalization of a quinoline precursor, followed by selective activation of the 4 hydroxy group. The final step is carbamoylation under anhydrous, base mediated conditions to form the dimethylcarbamate ester, after which the crude product is purified and formulated.
[Mechanism of action]

Acetylcholinesterase (AchE) inhibitor.
[Pesticide Type]

Insecticide
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