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82-99-5

82-99-5 Structure

82-99-5 Structure
IdentificationBack Directory
[Name]

Tifenamil
[CAS]

82-99-5
[Synonyms]

thiphenamil
Diphenylthioacetic acid S-[2-(diethylamino)ethyl]
Diphenylthioacetic acid S-[2-(diethylamino)ethyl] ester
Benzeneethanethioic acid, α-phenyl-, S-[2-(diethylamino)ethyl] ester
[Molecular Formula]

C20H25NOS
[MDL Number]

MFCD00396147
[MOL File]

82-99-5.mol
[Molecular Weight]

327.49
Chemical PropertiesBack Directory
[Melting point ]

35-36 °C
[Boiling point ]

199-200 °C
[density ]

1.079±0.06 g/cm3(Predicted)
[pka]

9.42±0.25(Predicted)
Hazard InformationBack Directory
[Originator]

Trocinate,Poythress,US,1950
[Definition]

ChEBI: Tifenamil is a diarylmethane.
[Manufacturing Process]

The following procedure is described in US Patent 2,510,773: To an ice-cold solution of 13.3 grams of 2-diethylaminoethanethiol in 100 cc of dry benzene is slowly added a solution of 23.05 grams of diphenylacetyl chloride in 200 cc of dry benzene. The mixture is stirred 2 hours, then heated to dissolve the fine white solid that is formed. Upon cooling 31.3 grams of 2- diethylaminoethyl diphenylthiolacetate hydrochloride precipitates. It recrystallizes from a mixture of benzene and petroleum ether (BP 60° to 70°C) as rosettes of tiny needles and melts at 129° to 130°C. From a mixture of absolute ethanol and ethyl acetate it recrystallizes as large, almost transparent prisms.
[Brand name]

Tifenamil is INN.
[Therapeutic Function]

Spasmolytic
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