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143782-20-1

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Basic Information
CAS No.: 143782-20-1
Name: 4-(4,4-DiMethyl-2,5-dioxoiMidazolidin-1-yl)-2-trifluoroMethylbenzonitrile
Article Data: 27
Molecular Structure:
Molecular Structure of 143782-20-1 (4-(4,4-DiMethyl-2,5-dioxoiMidazolidin-1-yl)-2-trifluoroMethylbenzonitrile)
Formula: C13H10F3N3O2
Molecular Weight: 297.237
Synonyms: 4-(4,4-dimethyl-2,5-dioxo-imidazolidin-1-yl)-2-trifluoromethylbenzonitrile;4-(4,4-dimethyl-2,5-dioxo-1-imidazolidinyl)-2-(trifluoromethyl)-benzonitrile;N-3-trifluoromethyl-4-cyanophenyl-5,5-dimethyl hydantoin;
Density: 1.46±0.1 g/cm3(Predicted)
PSA: 76.69000
LogP: 2.11688
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Synthetic route
101066-87-9

4-iodo-2-(trifluoromethyl)benzonitrile

77-71-4

5,5-dimethyl-imidazolidine-2,4-dione

143782-20-1

4-(4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile

Conditions
ConditionsYield
With copper(I) oxide In N,N-dimethyl-formamide at 150℃; for 12h;98%
With copper(I) oxide In N,N-dimethyl-formamide at 150℃; for 12h;98%
With copper(I) oxide In N,N-dimethyl-formamide at 150℃; for 14h; Inert atmosphere; regioselective reaction;82%
143782-19-8

4-(4,4-Dimethyl-5-imino-2-oxo-1-imidazolidinyl)-2-trifluoromethyl-benzonitrile

143782-20-1

4-(4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile

Conditions
ConditionsYield
With hydrogenchloride; water for 0.583333h; Heating / reflux;95%
With hydrogenchloride In water; isopropyl alcohol
With hydrogenchloride; water for 0.583333h; Reflux;
With hydrogenchloride; water In methanol for 0.5h; Reflux;
75-44-5

phosgene

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4-amino-2-trifluoromethylbenzonitrile

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2-amino-isobutyric acid tert-butyl ester hydrochloride

143782-20-1

4-(4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile

Conditions
ConditionsYield
Stage #1: phosgene; 4-amino-2-trifluoromethylbenzonitrile In toluene; acetonitrile at 70℃;
Stage #2: 2-amino-isobutyric acid tert-butyl ester hydrochloride With triethylamine In toluene; acetonitrile at 20℃;
Stage #3: With hydrogenchloride; water In toluene; acetonitrile at 70℃; for 1h;		90%
Stage #1: phosgene; 4-amino-2-trifluoromethylbenzonitrile In toluene; acetonitrile at 70℃; for 1h;
Stage #2: 2-amino-isobutyric acid tert-butyl ester hydrochloride With triethylamine In acetonitrile at 20℃;
Stage #3: With hydrogenchloride In water; acetonitrile at 70℃; for 1h;		90%
...Expand
77-71-4

5,5-dimethyl-imidazolidine-2,4-dione

194853-86-6

4-fluoro-2-(trifluoromethyl)benzonitrile

143782-20-1

4-(4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile

Conditions
ConditionsYield
Stage #1: 5,5-dimethyl-imidazolidine-2,4-dione With potassium carbonate In N,N-dimethyl-formamide at 45℃; for 0.5h;
Stage #2: 4-fluoro-2-(trifluoromethyl)benzonitrile In N,N-dimethyl-formamide for 5h; Heating;		79%
Stage #1: 5,5-dimethyl-imidazolidine-2,4-dione With potassium carbonate In N,N-dimethyl-formamide at 45℃; for 0.5h;
Stage #2: 4-fluoro-2-(trifluoromethyl)benzonitrile In N,N-dimethyl-formamide for 5h;		79%
With potassium carbonate In N,N-dimethyl-formamide at 45℃; for 48h; Inert atmosphere;74%

(4-cyano-3-(trifluoromethyl)phenyl)boronic acid

77-71-4

5,5-dimethyl-imidazolidine-2,4-dione

143782-20-1

4-(4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile

Conditions
ConditionsYield
With pyridine; oxygen; copper diacetate In dichloromethane for 168h;79%
261952-05-0

4-fluoro-2-(trifluoromethyl)benzonitrile

77-71-4

5,5-dimethyl-imidazolidine-2,4-dione

143782-20-1

4-(4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 45℃; for 24h;74%
77-71-4

5,5-dimethyl-imidazolidine-2,4-dione

320-41-2

4-chloro-2-(trifluoromethyl)benzonitrile

143782-20-1

4-(4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile

Conditions
ConditionsYield
With 18-crown-6 ether; sodium hydride In N,N-dimethyl-formamide at 140℃; for 60h;55%

C24H9BiF9N3

77-71-4

5,5-dimethyl-imidazolidine-2,4-dione

143782-20-1

4-(4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile

Conditions
ConditionsYield
With pyridine; copper diacetate In dichloromethane at 20℃;8%

5,5-dimethyl-3-(4-iodo-3-(trifluoromethyl) phenyl) 2,4-imidazolidinedione

143782-20-1

4-(4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile

Conditions
ConditionsYield
In N-methyl-acetamide; water; ethyl acetate

C17H20F3N3O3

143782-20-1

4-(4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile

Conditions
ConditionsYield
With hydrogenchloride; water In acetonitrile at 70℃; for 1h;
With hydrogenchloride In water; acetonitrile at 70℃; for 1h;
With hydrogenchloride; water In acetonitrile at 70℃; for 1h;
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