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55142-85-3

55142-85-3 Structure

55142-85-3 Structure
IdentificationMore
[Name]

Ticlopidine
[CAS]

55142-85-3
[Synonyms]

5-(2-CHLORO-BENZYL)-4,5,6,7-TETRAHYDRO-THIENO[3,2-C]PYRIDINE
TICLOPIDINE
2-c)pyridine,4,5,6,7-tetrahydro-5-((2-chlorophenyl)methyl)-thieno(
5-((2-Chlorophenyl)methyl)-4,5,6,7-tetrahydrothieno(3,2-c)pyridine
5-(O-Chlorobenzyl)-4,5,6,7-tetrahydrothieno-[3,2-c]pyridine
PCR 5332
pcr5332
Thieno(3,2-c)pyridine, 4,5,6,7-tetrahydro-5-((2-chlorophenyl)methyl)-
Thieno[3,2-c]pyridine, 5-[(2-chlorophenyl)methyl]-4,5,6,7-tetrahydro-
TICIOPIDINE
Ticlopidine (base and/or unspecified salts)
Anagregal
Caudaline
Ticlosin
[EINECS(EC#)]

259-498-5
[Molecular Formula]

C14H14ClNS
[MDL Number]

MFCD00661081
[Molecular Weight]

263.79
[MOL File]

55142-85-3.mol
Chemical PropertiesBack Directory
[Melting point ]

210-212 °C
[Boiling point ]

117-120 °C(Press: 0.5 Torr)
[density ]

1.273±0.06 g/cm3(Predicted)
[storage temp. ]

2-8°C(protect from light)
[pka]

7.10±0.20(Predicted)
[CAS DataBase Reference]

55142-85-3(CAS DataBase Reference)
[NIST Chemistry Reference]

Thieno[3,2-c]pyridine, 5-[(2-chlorophenyl)methyl]-4,5,6,7-tetrahydro-(55142-85-3)
[EPA Substance Registry System]

Thieno[3,2-c]pyridine, 5-[(2-chlorophenyl)methyl]-4,5,6,7-tetrahydro- (55142-85-3)
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Sodium hydroxide-->Diethyl ether-->n-Butyllithium-->Tosyl chloride-->Nitromethane-->Diisopropyl ether-->Potassium borohydride-->2-Thiophenecarboxaldehyde-->Nitroethylene-->Ticlopidine hydrochloride-->ethylthiolphene-->Sodium borohydride-->Thieno[3,2-d]pyrimidine-7-methanamine (9CI)-->1H-Pyrrolo[3,2-c]pyridine, 6-methyl--->2-(2-Chlorophenyl)acetonitrile
Hazard InformationBack Directory
[Originator]

Ticlid,Millot,France,1978
[Uses]

Ticlopidine is an antiplatelet drug for the treatment of ischemic heart diseases.
[Uses]

Ticlopidine suppresses aggregation of thrombocytes and possesses antiaggregant activity. It is believed that its action is connected to its effect on thrombocyte membranes and the reduction in quantity of released adenosine diphosphate and serotonin, which facilitate aggregation of thrombocytes. In wide-ranging clinical trials, ticlopidine presented a number of advantages compared to aspirin.
[Definition]

ChEBI: A thienopyridine that is 4,5,6,7-tetrahydrothieno[3,2-c]pyridine in which the hydrogen attached to the nitrogen is replaced by an o-chlorobenzyl group.
[Manufacturing Process]

A solution of thieno[3,2-c]pyridine (13.5 g; 0.1 mol) and 2-chlorobenzyl chloride (17.7 g) in acetonitrile (150 ml) is boiled during 4 hours. After evaporation of the solvent, the solid residue consists of 5-(2- chlorobenzyl)-thieno[3,2-c]pyridinium chloride which melts at 166°C (derivative n° 30). This compound is taken up into a solution comprising ethanol (300 ml) and water (100 ml). Sodium borohydride (NaBH4)(20 g) is added portionwise to the solution maintained at room temperature. The reaction medium is maintained under constant stirring during 12 hours and is then evaporated. The residue is taken up into water and made acidic with concentrated hydrochloric acid to destroy the excess reducing agent. The mixture is then made alkaline with ammonia and extracted with ether. The ether solution is washed with water, dried and evaporated. The oily residue is dissolved in isopropanol (50 ml) and hydrochloric acid in ethanol solution is then added thereto.
After filtration and recrystallization from ethanol, there are obtained 5-(2- chlorobenzyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine hydrochloride crystals (yield: 60%) having a melting point (Koefler block) of 190°C.
[Brand name]

4-c-32 53-32-c;Aplaquette;Derivatives;Klodin;Opteron;Panaldine;Tcp;Ticlidan;Ticlodix;Ticlodone;Ticlopedine;Ticlosan;Tiklid;Tiklyd;Tilcid.
[Therapeutic Function]

Platelet aggregation inhibitor
[World Health Organization (WHO)]

Ticlopidine, an inhibitor of platelet aggregation, was introduced in 1978 for use as an antithrombotic agent. By 1982 its use had been associated with cases of agranulocytosis, severe leucopenia and impaired haemostasis. The drug remains available in most countries in which it was approved with appropriate warnings in the product information.
[General Description]

Ticlopidine, 5-[(2-chlorophenyl)methyl]-4,5,6,7-tetrahydrothieno [3,2-c]pyridine hydrochloride(Ticlid), is useful in reducing cardiac events in patients withunstable angina and cerebrovascular events in secondaryprevention of stroke. It belongs to the thienopyridine classand facilitated the development of clopidogrel. One of thedrawbacks to this agent is its side effect profile, whichincludes neutropenia, and patients receiving this antithromboticshould have their blood levels monitored. Its mechanismof action is similar to that of clopidogrel, in that itinhibits the purinergic receptors on platelets.
[Synthesis]

Ticlopidine, 5-(o-chlorobenzyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine (24.2.1), is synthesized in many different ways. The first way consists of N-alkylation of 4,5,6,7-tetrahydrothieno[3,2-c]pyridine with 2-chlorobenzylchloride.

Synthesis_55142-85-3

Spectrum DetailBack Directory
[Spectrum Detail]

Ticlopidine(55142-85-3)1HNMR
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