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CAS No.: | 790-41-0 |
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Name: | P-CHLOROBENZOIC ANHYDRIDE |
Article Data: | 65 |
Molecular Structure: | |
Formula: | C14H8 Cl2 O3 |
Molecular Weight: | 295.122 |
Synonyms: | Benzoic acid,4-chloro-, anhydride (9CI); Benzoic acid, p-chloro-, anhydride (6CI,7CI,8CI);4-Chlorobenzoic acid anhydride; 4-Chlorobenzoic anhydride; NSC 404992;p-Chlorobenzoic acid anhydride; p-Chlorobenzoic anhydride |
Density: | 1.401g/cm3 |
Boiling Point: | 439°C at 760 mmHg |
Flash Point: | 182.5°C |
PSA: | 43.37000 |
LogP: | 3.99060 |
Conditions | Yield |
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With iodine; triethylamine; triphenylphosphine In dichloromethane at 0 - 20℃; | 99% |
With N,N-bis[2-oxo-3-oxazolidinyl]phosphorodiamidic chloride; tributyl-amine In acetonitrile at 20℃; for 0.5h; | 97% |
With thionyl chloride In dichloromethane at 22 - 25℃; for 1h; | 96.9% |
p-chlorobenzoic acid potassium salt
4-chloro-benzoyl chloride
4-chlorobenzoic anhydride
Conditions | Yield |
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With 1,4-diaza-bicyclo[2.2.2]octane for 0.116667h; | 98% |
With N-benzyl-N,N,N-triethylammonium chloride In chloroform at 20℃; for 2h; Acylation; | 97% |
Conditions | Yield |
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With sodium hydrogencarbonate In acetonitrile at 45℃; for 5h; ultrasound; | 97% |
With bis(triphenylphosphine)dichlorocobalt(II); tetrabutylammomium bromide; sodium hydrogencarbonate In acetonitrile at 120℃; for 12h; | 95% |
With N,N-dimethyl-formamide; zinc In pentane at 20℃; for 2h; | 95% |
4,5-dichloro-2-(4-chloro-benzoyl)-2H-pyridazin-3-one
A
4,5-dichloro-2H-pyridazin-3-one
B
4-chlorobenzoic anhydride
Conditions | Yield |
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With zinc(II) chloride In acetonitrile for 7h; Heating; | A n/a B 95% |
p-chlorobenzoic acid potassium salt
para-chlorobenzoic acid
4-chlorobenzoic anhydride
Conditions | Yield |
---|---|
Stage #1: para-chlorobenzoic acid With trichloroisocyanuric acid; triphenylphosphine In dichloromethane at 0 - 20℃; Stage #2: p-chlorobenzoic acid potassium salt In dichloromethane at 20℃; for 1.5h; | 94% |
1-(4-Aminophenyl)-5-phenyl-1,2,3-triazole
4-chloro-benzoyl chloride
A
5-phenyl-1-<4-(4-chlorobenzoylamino)phenyl>-1H-1,2,3-triazole
B
4-chlorobenzoic anhydride
Conditions | Yield |
---|---|
In pyridine at 70℃; for 3h; | A 80% B n/a |
1-(4-Aminophenyl)-5-methyl-1,2,3-triazole
4-chloro-benzoyl chloride
A
5-methyl-1-<4-(4-chlorobenzoylamino)phenyl>-1H-1,2,3-triazole
B
4-chlorobenzoic anhydride
Conditions | Yield |
---|---|
In pyridine at 70℃; for 3h; | A 55% B n/a |
Conditions | Yield |
---|---|
With bromine; oxygen In acetonitrile at 20℃; for 5h; UV-irradiation; | A 28% B 45% |
4-chloro-N-hydroxybenzamide
A
4-chlorobenzoic anhydride
B
para-chlorobenzoic acid
Conditions | Yield |
---|---|
With dinitrogen tetraoxide In acetonitrile at -20℃; for 2h; | A 25% B 41% |