Products Categories
CAS No.: | 79232-66-9 |
---|---|
Name: | Butanoic acid, 4-bromo-2-(methoxyimino)-3-oxo-,(2Z)- |
Article Data: | 4 |
Molecular Structure: | |
Formula: | C5H6 Br N O4 |
Molecular Weight: | 224.011 |
Synonyms: | Butanoic acid, 4-bromo-2-(methoxyimino)-3-oxo-,(Z)-; (Z)-4-Bromo-3-oxo-2-methoxyiminobutyric acid |
PSA: | 75.96000 |
LogP: | 0.03740 |
2-Methoxyiminoacetoacetic acid-tert-butyl ester
(Z)-4-bromo-2-methoxyimino-3-oxo-butyric acid
Conditions | Yield |
---|---|
With chloro-trimethyl-silane; bromine; triethylamine; trifluoroacetic acid In tetrachloromethane; hexane; dichloromethane; nitrogen; water; acetonitrile | 70.5% |
With bromine In 5,5-dimethyl-1,3-cyclohexadiene; di-isopropyl ether; water | 42.4% |
(Z)-2-methoxyimino-3-oxo-butyric acid
2-Methoxyiminoacetoacetic acid-tert-butyl ester
(Z)-4-bromo-2-methoxyimino-3-oxo-butyric acid
Conditions | Yield |
---|---|
With hydrogen bromide; bromine In dichloromethane; water; acetic acid; trifluoroacetic acid |
(Z)-4-bromo-2-methoxyimino-3-oxo-butyric acid
(Z)-4-bromo-2-methoxyimino-3-oxo-butyric acid chloride
Conditions | Yield |
---|---|
With phosphorus pentachloride In hexane; dichloromethane | 96% |
With phosphorus pentachloride In dichloromethane at -20 - -5℃; Product distribution / selectivity; | |
With phosphorus pentachloride In dichloromethane |
(Z)-4-bromo-2-methoxyimino-3-oxo-butyric acid
Conditions | Yield |
---|---|
In dichloromethane at -25 - 10℃; for 2.5h; |
(Z)-4-bromo-2-methoxyimino-3-oxo-butyric acid
4-bromo-2-methoxyimino-3-oxo butyric acid chloride
Conditions | Yield |
---|---|
With phosphorus pentachloride In dichloromethane at -25 - -20℃; for 0.666667h; |
(Z)-4-bromo-2-methoxyimino-3-oxo-butyric acid
oxalyl dichloride
N,N-dimethyl-formamide
A
(Z)-4-bromo-2-methoxyimino-3-oxo-butyric acid chloride
Conditions | Yield |
---|---|
In dichloromethane |
(Z)-4-bromo-2-methoxyimino-3-oxo-butyric acid
phosphorus pentachloride
(Z)-4-bromo-2-methoxyimino-3-oxo-butyric acid chloride
Conditions | Yield |
---|---|
In dichloromethane |
(Z)-4-bromo-2-methoxyimino-3-oxo-butyric acid
2-Mercapto-5-phenyl-1,3,4-oxadiazole
N,N-dimethyl-formamide
Conditions | Yield |
---|---|
With pyridine In acetonitrile |
(Z)-4-bromo-2-methoxyimino-3-oxo-butyric acid
Conditions | Yield |
---|---|
With trichlorophosphate In water; ethyl acetate; N,N-dimethyl-formamide | |
With trichlorophosphate In water; ethyl acetate; N,N-dimethyl-formamide |
(Z)-4-bromo-2-methoxyimino-3-oxo-butyric acid
Conditions | Yield |
---|---|
Stage #1: (Z)-4-bromo-2-methoxyimino-3-oxo-butyric acid With phosphorus pentachloride In dichloromethane at -30℃; for 0.5h; Stage #2: C24H28N2O6S2Si In dichloromethane at -30℃; for 0.25 - 0.333333h; |