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1477-24-3

Basic Information
CAS No.: 1477-24-3
Name: 5-PYRIDIN-4-YL-4H-[1,2,4]TRIAZOLE-3-THIOL
Article Data: 8
Molecular Structure:
Molecular Structure of 1477-24-3 (5-PYRIDIN-4-YL-4H-[1,2,4]TRIAZOLE-3-THIOL)
Formula: C7H6 N4 S
Molecular Weight: 178.217
Synonyms: s-Triazole-3-thiol,5-(4-pyridyl)- (6CI,7CI); D2-1,2,4-Triazoline-5-thione, 3-(4-pyridyl)- (8CI); 3-Mercapto-5-(4-pyridyl)-1,2,4-triazole;5-(4-Pyridyl)-1H-1,2,4-triazole-3-thiol;5-(Pyridin-4-yl)-4H-[1,2,4]triazole-3-thiol; NSC 151062
Density: 1.54g/cm3
Melting Point: 321-322℃ (dec.)
Boiling Point: 296.5°Cat760mmHg
Flash Point: 133.1°C
Hazard Symbols: Xn
Risk Codes: 22
PSA: 89.45000
LogP: 1.52930
Synthetic route
54-85-3

isoniazid

17356-08-0

thiourea

1477-24-3

3-(pyridin-4-yl)-1H-1,2,4-triazole-5(4H)-thione

Conditions
ConditionsYield
Stage #1: isoniazid; thiourea at 170℃;
Stage #2: With sodium hydroxide
93.6%

N'-[1-Amino-1-pyridin-4-yl-meth-(Z)-ylidene]-hydrazinecarbodithioic acid methyl ester

1477-24-3

3-(pyridin-4-yl)-1H-1,2,4-triazole-5(4H)-thione

Conditions
ConditionsYield
With potassium hydroxide In methanol for 4h; Heating;85%
14397-24-1

2-(pyridin-4-ylcarbonyl)hydrazinecarbothioamide

1477-24-3

3-(pyridin-4-yl)-1H-1,2,4-triazole-5(4H)-thione

Conditions
ConditionsYield
With sodium hydroxide at 150℃; for 0.05h; Microwave irradiation;76%
Stage #1: 2-(pyridin-4-ylcarbonyl)hydrazinecarbothioamide With sodium hydroxide for 3h; Reflux;
Stage #2: With acetic acid

C13H13N5S

1477-24-3

3-(pyridin-4-yl)-1H-1,2,4-triazole-5(4H)-thione

Conditions
ConditionsYield
In butan-1-ol for 6h; Heating;40%
119-64-2

tetralin

14397-24-1

2-(pyridin-4-ylcarbonyl)hydrazinecarbothioamide

1477-24-3

3-(pyridin-4-yl)-1H-1,2,4-triazole-5(4H)-thione

14397-24-1

2-(pyridin-4-ylcarbonyl)hydrazinecarbothioamide

64-17-5

ethanol

141-52-6

sodium ethanolate

1477-24-3

3-(pyridin-4-yl)-1H-1,2,4-triazole-5(4H)-thione

isonicotinic acid hydrazide; thiocyanate

A

1477-24-3

3-(pyridin-4-yl)-1H-1,2,4-triazole-5(4H)-thione

B

14397-24-1

2-(pyridin-4-ylcarbonyl)hydrazinecarbothioamide

Conditions
ConditionsYield
at 140 - 150℃;

C14H15N5S

1477-24-3

3-(pyridin-4-yl)-1H-1,2,4-triazole-5(4H)-thione

Conditions
ConditionsYield
In butan-1-ol for 6h; Heating;

N-phenyl-4-pyridinecarbohydrazonamide

1477-24-3

3-(pyridin-4-yl)-1H-1,2,4-triazole-5(4H)-thione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 75 percent / aq. HCl / 12 h
2: 40 percent / butan-1-ol / 6 h / Heating
View Scheme

C13H14N4

1477-24-3

3-(pyridin-4-yl)-1H-1,2,4-triazole-5(4H)-thione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 75 percent / aq. HCl / 12 h
2: butan-1-ol / 6 h / Heating
View Scheme
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