Products Categories
| CAS No.: | 79232-66-9 |
|---|---|
| Name: | Butanoic acid, 4-bromo-2-(methoxyimino)-3-oxo-,(2Z)- |
| Molecular Structure: | |
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| 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; |