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Cas Database |
| Name |
Ethyl 2-amino-1-cyclopentene-1-carboxylate |
EINECS | N/A |
| CAS No. | 7149-18-0 | Density | 1.17g/cm3 |
| PSA | 52.32000 | LogP | 1.64650 |
| Solubility | soluble IN WARE | Melting Point |
57-60 °C |
| Formula | C8H13 N O2 | Boiling Point | 272.5°Cat760mmHg |
| Molecular Weight | 155.197 | Flash Point | 118.6°C |
| Transport Information | N/A | Appearance | light yellow crystalline powder |
| Safety | 36/37/39-26 | Risk Codes | R22;R36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
|
| Synonyms |
1-Amino-2-carbethoxy-1-cyclopentene;2-amino-1-cyclopentene-1-carboxylic acid ethyl ester; Ethyl 2-amino-1-cyclopentene-1-carboxylate;Ethyl 2-amino-1-cyclopentenecarboxylate; NSC 52925 |
Article Data | 17 |
Ethyl 2-amino-1-cyclopentene-1-carboxylate Synthetic route
| Conditions | Yield |
|---|---|
| With ammonia; silica gel at 20℃; for 0.166667h; | 99% |
| With ammonium acetate; tetraethoxy orthosilicate In ethanol Heating; | 90% |
| With tetraethoxy orthosilicate; ammonium acetate In ethanol for 6h; Reflux; Inert atmosphere; | 82% |
- 628-20-6
4-Chlorobutyronitrile
- 105-36-2
ethyl bromoacetate
A
- 7149-18-0
ethyl 2-amino-1-cyclopentene-1-carboxylate
B
- 35150-22-2
(Z)-ethyl 2-(pyrrolidin-2-ylidene)acetate
| Conditions | Yield |
|---|---|
| Stage #1: 4-Chlorobutyronitrile; ethyl bromoacetate With methanesulfonic acid; zinc In tetrahydrofuran for 1h; Blaise reaction; Reflux; Inert atmosphere; Stage #2: With potassium tert-butylate In tetrahydrofuran at 0 - 20℃; for 5h; Blaise reaction; Inert atmosphere; chemoselective reaction; | A 13% B 68% |
| Stage #1: 4-Chlorobutyronitrile; ethyl bromoacetate With methanesulfonic acid; zinc In tetrahydrofuran for 1h; Blaise reaction; Reflux; Inert atmosphere; Stage #2: With sodium hexamethyldisilazane In tetrahydrofuran at 0℃; Blaise reaction; Inert atmosphere; Reflux; chemoselective reaction; | A 17% B 12% |
- 105-36-2
ethyl bromoacetate
- 5332-06-9
4-bromobutanenitrile
- 7149-18-0
ethyl 2-amino-1-cyclopentene-1-carboxylate
| Conditions | Yield |
|---|---|
| With methanesulfonic acid; zinc In tetrahydrofuran for 8h; Blaise reaction; Reflux; Inert atmosphere; chemoselective reaction; | 40% |
- 628-20-6
4-Chlorobutyronitrile
- 105-36-2
ethyl bromoacetate
A
- 7149-18-0
ethyl 2-amino-1-cyclopentene-1-carboxylate
B
- 25219-53-8, 35150-22-2, 108139-96-4
pyrrolidin-2-ylideneacetic acid ethyl ester
| Conditions | Yield |
|---|---|
| With methanesulfonic acid; zinc In tetrahydrofuran for 15h; Blaise reaction; Reflux; Inert atmosphere; chemoselective reaction; | A 29% B 6% |
| With methanesulfonic acid; zinc In tetrahydrofuran Inert atmosphere; Reflux; | A 29% B 6% |
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: Reaktion ueber mehrere Stufen 2: concentrated alcoholic ammonia / 140 - 150 °C View Scheme |
- 20873-66-9
ethyl 2-[(ethoxycarbonyl)amino]-1-cyclopentene-1-carboxylate
- 7149-18-0
ethyl 2-amino-1-cyclopentene-1-carboxylate
| Conditions | Yield |
|---|---|
| With sodium methylate In methanol |
| Conditions | Yield |
|---|---|
| In toluene Heating; | 83% |
| Conditions | Yield |
|---|---|
| In toluene Heating; | 78% |
- 7149-18-0
ethyl 2-amino-1-cyclopentene-1-carboxylate
- 24066-82-8
ethyl 2-isothiocyanatoacetate
| Conditions | Yield |
|---|---|
| With pyridine for 2h; Heating; | 76% |
| Conditions | Yield |
|---|---|
| In toluene Heating; | 66% |
Ethyl 2-amino-1-cyclopentene-1-carboxylate Chemical Properties
Molecular structure of Ethyl 2-amino-1-cyclopentene-1-carboxylate (CAS NO.7149-18-0) is:
Product Name: Ethyl 2-amino-1-cyclopentene-1-carboxylate
CAS Registry Number: 7149-18-0
IUPAC Name: Ethyl 2-aminocyclopentene-1-carboxylate
Molecular Weight: 155.19432 [g/mol]
Molecular Formula: C8H13NO2
XLogP3-AA: 1.3
H-Bond Donor: 1
H-Bond Acceptor: 3
Melting Point: 57-60 °C
Water Solubility: soluble
Index of Refraction: 1.51
Molar Refractivity: 41.79 cm3
Molar Volume: 139.6 cm3
Surface Tension: 42.2 dyne/cm
Density: 1.111 g/cm3
Flash Point: 124.3 °C
Enthalpy of Vaporization: 49.99 kJ/mol
Boiling Point: 262.1 °C at 760 mmHg
Vapour Pressure: 0.0111 mmHg at 25 °C
Ethyl 2-amino-1-cyclopentene-1-carboxylate Safety Profile
Safty information about Ethyl 2-amino-1-cyclopentene-1-carboxylate (CAS NO.7149-18-0) is:
Hazard Codes: 
Xn
Risk Statements: 36/37/38-22
R36/37/38:Irritating to eyes, respiratory system and skin.
R22:Harmful if swallowed.
Safety Statements: 36/37/39-26
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Ethyl 2-amino-1-cyclopentene-1-carboxylate Specification
Ethyl 2-amino-1-cyclopentene-1-carboxylate , its cas register number is 7149-18-0. It also can be called 1-Cyclopentene-1-carboxylicacid, 2-amino-, ethyl ester .It is a light yellow crystalline powder.
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