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Cas Database |
| Name |
Cyclopentylmagnesium Bromide |
EINECS | 251-420-8 |
| CAS No. | 33240-34-5 | Density | 0.996 g/mL at 25 °C |
| PSA | 0.00000 | LogP | 2.74380 |
| Solubility | N/A | Melting Point |
N/A |
| Formula | C5H9BrMg | Boiling Point | 49.2ºC at 760mmHg |
| Molecular Weight | 173.335 | Flash Point | −36 °F |
| Transport Information | N/A | Appearance | N/A |
| Safety | 16-26-36/37/39-45 | Risk Codes | 12-14-22-34-66-67 |
| Molecular Structure |
|
Hazard Symbols |
 F,  C
|
| Synonyms |
Cyclopentylmagnesiumbromide (6CI); |
Article Data | 10 |
Cyclopentylmagnesium Bromide Synthetic route
| Conditions | Yield |
|---|---|
| With tetrahydrofuran; magnesium chloride at 37℃; Product distribution; Mechanism; effect of solvent deuteration, other reagents; | A 2% B 71% |
- 137-43-9
Cyclopentyl bromide
A
- 287-92-3
Cyclopentane
B
- 1636-39-1
bicyclopentyl
C
- 142-29-0
cyclopentene
D
- 33240-34-5
cyclopentylmagnesium bromide
| Conditions | Yield |
|---|---|
| With magnesium In diethyl ether at 0℃; Mechanism; Rate constant; reaction rate dependence on angular velocity of disk, solution viscosity; | A 13 % Chromat. B 21 % Chromat. C 13 % Chromat. D 50% |
- 137-43-9
Cyclopentyl bromide
- 33240-34-5
cyclopentylmagnesium bromide
| Conditions | Yield |
|---|---|
| With magnesium In diethyl ether | |
| With magnesium In diethyl ether Thermodynamic data; -ΔH(reaction); | |
| With magnesium In tetrahydrofuran at 23℃; Kinetics; |
- 33240-34-5
cyclopentylmagnesium bromide
| Conditions | Yield |
|---|---|
| CuCl - N-heterocyclic carbene In diethyl ether at 0℃; | 100% |
- 33240-34-5
cyclopentylmagnesium bromide
| Conditions | Yield |
|---|---|
| In diethyl ether; 1,2-dichloro-ethane at 0℃; Inert atmosphere; | 99% |
- 768-33-2
phenyldimethylsilyl chloride
- 33240-34-5
cyclopentylmagnesium bromide
| Conditions | Yield |
|---|---|
| With (DrewPhos)2PdI2 In diethyl ether at 20℃; for 24h; | 99% |
- 33240-34-5
cyclopentylmagnesium bromide
| Conditions | Yield |
|---|---|
| With (DrewPhos)2PdI2 In diethyl ether at 20℃; for 24h; Inert atmosphere; Schlenk technique; | 99% |
- 33240-34-5
cyclopentylmagnesium bromide
- 287-92-3
Cyclopentane
| Conditions | Yield |
|---|---|
| With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; tert-butyl alcohol In diethyl ether at 34℃; | 98% |
| Conditions | Yield |
|---|---|
| In tetrahydrofuran; diethyl ether at -78℃; for 2h; Schlenk technique; Inert atmosphere; | 98% |
- 33240-34-5
cyclopentylmagnesium bromide
| Conditions | Yield |
|---|---|
| In diethyl ether (N2); addn. of a soln. of magnesium compd. in Et2O to a soln. of copper complex in Et2O at -50°C, stirring for 90 min; filtration through Kieselgur, evapn. at -30°C, dissolving in a mixt. of CH2Cl2/petroleum ether 1:5 at -30°C, filtration through Kieselgur, evapn.; | 96% |
Cyclopentylmagnesium Bromide Specification
The Cyclopentylmagnesium Bromide is an organic compound with the formula C5H9BrMg. The IUPAC name of this chemical is Magnesium cyclopentane bromide. With the CAS registry number 33240-34-5, it is also named as Cyclopentylmagnesium bromide solution. The product's categories are Classes of Metal compounds; Grignard reagents; Grignard reagents and Alkyl metals; Mg (Magnesium) compounds; Synthetic organic chemistry; Typical metal compounds; Alkyl; Organometallic reagents. Besides, it should be stored in a sealed, cool, dry, well-ventilated place.
Physical property about Cyclopentylmagnesium Bromide is: #Freely Rotating Bonds: 1.
Preparation: this chemical can be prepared by Bromocyclopentane. This reaction will need reagent Mg, solvent Diethyl ether. The reaction rate dependence on angular velocity of disk, solution viscosity. And this reaction temperature is 0 °C. The yield is about 50%.
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Uses of Cyclopentylmagnesium Bromide: it can be used to produce Cyclopentanecarbaldehyde. It will need solvent Diethyl ether with reaction time of 15 hours. The yield is about 72%.
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When you are using this chemical, please be cautious about it as the following:
It is extremely flammable, and harmful if swallowed. It reacts violently with water, causes burns. Besides, if this chemical is repeated exposure may cause skin dryness or cracking. Its vapors may cause drowsiness and dizziness. keep away from sources of ignition - No smoking. When you are using it, wear suitable protective clothing, gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).
You can still convert the following datas into molecular structure:
(1)InChI: InChI=1/C5H9.BrH.Mg/c1-2-4-5-3-1;;/h1H,2-5H2;1H;/q;;+1/p-1/rC5H9BrMg/c6-7-5-3-1-2-4-5/h5H,1-4H2
(2)InChIKey: PZOJUJCALDFFHC-UKMJFLDZAD
(3)Std. InChI: InChI=1S/C5H9.BrH.Mg/c1-2-4-5-3-1;;/h1H,2-5H2;1H;/q;;+1/p-1
(4)Std. InChIKey: PZOJUJCALDFFHC-UHFFFAOYSA-M
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