Conditions | Yield |
---|---|
With hydrogen bromide; dibenzoyl peroxide | |
With hydrogen bromide; oxygen |
Conditions | Yield |
---|---|
(i) O2, (ii) HBr; Multistep reaction; |
hydrogen bromide
3-Chloro-2-methylpropene
1-bromo-3-chloro-2-methyl propane
1-bromo-3-chloro-2-methyl propane
Conditions | Yield |
---|---|
With hydrogen bromide |
1-bromo-3-chloro-2-methyl propane
7,8-Dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
1-(7,8-dimethoxy-1,3-dihydro-2H-3-benzazepin-2-on-3-yl)-2-methyl-3-chloro-propane
Conditions | Yield |
---|---|
97.5% | |
With potassium tert-butylate 1.) DMSO, RT, 30 min, 2.) RT, 30 min; Multistep reaction; |
1-bromo-3-chloro-2-methyl propane
3-nitro-4-methyl-2-isoxazoline
Conditions | Yield |
---|---|
With n-propyl nitrite; sodium nitrite In N,N-dimethyl-formamide for 16h; Ambient temperature; | 96% |
Conditions | Yield |
---|---|
Stage #1: 2-methyl-1H-pyrroline With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 1.5h; Stage #2: 1-bromo-3-chloro-2-methyl propane In tetrahydrofuran; hexane at -78 - 20℃; for 15h; Stage #3: vacuo evaporation; | 95% |
1-bromo-3-chloro-2-methyl propane
ethyl acetoacetate
ethyl 7-chloro-6-methyl-3-oxoheptanoate
Conditions | Yield |
---|---|
Stage #1: ethyl acetoacetate With lithium diisopropyl amide In tetrahydrofuran at 0℃; for 1h; Stage #2: 1-bromo-3-chloro-2-methyl propane In tetrahydrofuran at -78 - 20℃; for 16h; | 92% |
1-bromo-3-chloro-2-methyl propane
potassium thioacetate
thioacetic acid S-(γ-chloro-isobutyl ester)
Conditions | Yield |
---|---|
In acetone for 24h; Ambient temperature; | 89% |
Conditions | Yield |
---|---|
Stage #1: 1-bromo-3-chloro-2-methyl propane; Benzhydrylamine With 18-crown-6 ether; sodium carbonate In water; toluene at 97℃; for 8h; Large scale; Stage #2: With hydrogenchloride In water; ethyl acetate Reagent/catalyst; Solvent; Large scale; | 86.7% |
1-bromo-butane
1-bromo-3-chloro-2-methyl propane
A
n-Butyl chloride
B
1,3-dibromo-2-methylpropane
Conditions | Yield |
---|---|
With tetrabutylammomium bromide at 105 - 110℃; Inert atmosphere; Schlenk technique; | A n/a B 86% |
1-bromo-3-chloro-2-methyl propane
1-azido-3-chloro-2-methylpropane
Conditions | Yield |
---|---|
With sodium azide In dimethyl sulfoxide at 20℃; for 20h; | 84% |
1-bromo-3-chloro-2-methyl propane
N-allylbenzotriazole
1-[1-(3-chloro)-2-methylpropenyl]-1H-1,2,3-benzotriazole
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran at -78 - 20℃; Alkylation; | 81% |
Conditions | Yield |
---|---|
In chloroform-d1 for 48h; Ambient temperature; | 80% |
Conditions | Yield |
---|---|
Stage #1: 6-methyl-2,3,4,5-tetrahydro-pyridine With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 2h; Stage #2: 1-bromo-3-chloro-2-methyl propane In tetrahydrofuran; hexane at -78 - 20℃; for 15h; Stage #3: vacuo evaporation; | 80% |
1-bromo-3-chloro-2-methyl propane
2-hydroxybenzothiazole
3-(3-Chloro-2-methyl-propyl)-3H-benzothiazol-2-one
Conditions | Yield |
---|---|
With caesium carbonate In water; ethyl acetate; acetonitrile | 80% |
With caesium carbonate In water; ethyl acetate; acetonitrile | 80% |
With caesium carbonate In acetonitrile at 40℃; for 24h; | 80% |
With caesium carbonate In acetonitrile |
1-bromo-3-chloro-2-methyl propane
1-(3-chlorophenyl)-2-methylpiperazine
1-(3-chlorophenyl)-1-(3-chloro-2-methylpropyl)-3-methylpiperazine
Conditions | Yield |
---|---|
With sodium hydroxide In acetone 1.) RT, 48 h, 2.) 50 deg C, 1 h; | 77% |
Conditions | Yield |
---|---|
In tetrahydrofuran | 71.9% |
1-bromo-3-chloro-2-methyl propane
8-ethyl-4H-benzo[1,4]oxazin-3-one
(R,S)-4-(3-chloro-2-methylpropyl)-8-ethyl-4H-benzo[1,4]oxazin-3-one
Conditions | Yield |
---|---|
With caesium carbonate In ethyl acetate | 69% |
1-bromo-3-chloro-2-methyl propane
thiophenol
[(3-chloro-2-methylpropyl)sulfanyl]benzene
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; | 69% |
1-bromo-3-chloro-2-methyl propane
3,4-dihydro-6-hydroxy-2(1H)-quinolinone
6-(3-chloro-2-methylpropoxy)-2-oxo-1,2,3,4-tetrahydroquinoline
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol for 12h; Heating; | 68.3% |
Conditions | Yield |
---|---|
Multistep reaction; | 68% |
Conditions | Yield |
---|---|
65% |
Conditions | Yield |
---|---|
With magnesium In tetrahydrofuran | 62.2% |
1-bromo-3-chloro-2-methyl propane
6-amino-2-thioxo-1,2-dihydro-4(3H)-pyrimidinone
8-amino-3,4-dihydro-3-methyl-2H,6H-pyrimido<2,1-b><1,3>thiazin-6-one
Conditions | Yield |
---|---|
With sodium hydroxide In isopropyl alcohol a) 1-2 h at r.t. and b) 7 h at 60 deg C; | 60% |
1-bromo-3-chloro-2-methyl propane
3,4-dihydro-3-oxo-2H-1,4-benzoxazine
(R,S)-4-(3-chloro-2-methylpropyl)-4H-benzo[1,4]oxazin-3-one
Conditions | Yield |
---|---|
With caesium carbonate In acetonitrile | 60% |
1-bromo-3-chloro-2-methyl propane
N-(m-chlorophenyl)piperazine
1-(3-chlorophenyl)-4-(2-methyl-3-chloropropyl)piperazine
Conditions | Yield |
---|---|
With sodium hydroxide In acetone 1.) RT, 48 h, 2.) 50 deg C, 1 h; | 57% |
1-bromo-3-chloro-2-methyl propane
1,2,3-Benzotriazole
1-(3-chloro-2-methylpropyl)-5-fuloro-1H-benzo[d]-[1,2,3]triazole
Conditions | Yield |
---|---|
With potassium carbonate In MeCN at 20℃; for 48h; | 55% |
1-bromo-3-chloro-2-methyl propane
diethyl malonate
diethyl 2-(3-chloro-2-methylpropyl)malonate
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran at 80℃; for 18h; | 53% |
With ethanol; sodium ethanolate |
1-bromo-3-chloro-2-methyl propane
1H-indol-4-ol
4-(3-chloro-2-methylpropoxy)-1H-indole
Conditions | Yield |
---|---|
With potassium hydroxide In dimethyl sulfoxide at 20℃; for 0.5h; | 50% |
1-bromo-3-chloro-2-methyl propane
Conditions | Yield |
---|---|
With triethylamine In DMF (N,N-dimethyl-formamide) at 20℃; | 46% |
1-bromo-3-chloro-2-methyl propane
sodium-manganese pentacarbonyl
A
dimanganese decacarbonyl
Conditions | Yield |
---|---|
In tetrahydrofuran under N2: dropwise addn. of a THF soln. of 10.11 mmol Na(Mn(CO)5) with stirring to 5.103 mmol 1-bromo-3-chloro-2-methylpropane; heating for 2 h at reflux; removing solvent under reduced pressure;; extraction of oil with hexane; chromy. (alumina, hexane): first band is (Mn2(CO)19), second band is MnMn-compound; recrystallization from hexane at -15°C; elem. anal.;; | A n/a B 27% |
1-bromo-3-chloro-2-methyl propane
Conditions | Yield |
---|---|
With sodium nitrite In dimethyl sulfoxide at 16 - 30℃; for 0.166667h; cooling; | 21% |
1-bromo-3-chloro-2-methyl propane
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide at 80℃; for 4h; Sealed tube; | 17% |
The IUPAC name of this chemical is 1-bromo-3-chloro-2-methylpropane. With the CAS registry number 6974-77-2 and EINECS 230-224-6, it is also named as propane, 1-bromo-3-chloro-2-methyl-. The product's category is API Intermediates. The formula is C4H8BrCl and the molecular weight is 171.46.
The other characteristics of this product can be summarized as: (1)ACD/LogP: 2.53; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.53; (4)ACD/LogD (pH 7.4): 2.53; (5)ACD/BCF (pH 5.5): 48.99; (6)ACD/BCF (pH 7.4): 48.99; (7)ACD/KOC (pH 5.5): 564.12; (8)ACD/KOC (pH 7.4): 564.12; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Index of Refraction: 1.466; (13)Molar Refractivity: 33.12 cm3; (14)Molar Volume: 119.5 cm3; (15)Polarizability: 13.12×10-24 cm3; (16)Surface Tension: 29.8 dyne/cm; (17)Enthalpy of Vaporization: 37.22 kJ/mol; (18)Vapour Pressure: 4.71 mmHg at 25°C; (19)Rotatable Bond Count: 2; (20)Exact Mass: 169.949791; (21)MonoIsotopic Mass: 169.949791; (22)Heavy Atom Count: 6; (23)Complexity 30.7.
Uses of 1-Bromo-3-chloro-2-methylpropane: It is used as pharmaceutical intermediate. It also can react with malonic acid diethyl ester to get (γ-chloro-isobutyl)-malonic acid diethyl ester. This reaction needs reagent NaH and solvent tetrahydrofuran at temperature of 80 °C. The reaction time is 18 hours. The yield is 53%.
When you are using this chemical, please be cautious about it as the following:
It is not only harmful by inhalation, in contact with skin and if swallowed, but also irritating to eyes, respiratory system and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable gloves and eye/face protection.
People can use the following data to convert to the molecule structure.
1. SMILES:BrCC(C)CCl
2. InChI:InChI=1/C4H8BrCl/c1-4(2-5)3-6/h4H,2-3H2,1H3
3. InChIKey:ZKDOQFPDSUOLGF-UHFFFAOYAK
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