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| CAS No.: | 7148-07-4 |
|---|---|
| Name: | 1-Pyrrolidino-1-cyclopentene |
| Article Data: | 53 |
| Molecular Structure: | |
|
|
|
| Formula: | C9H15N |
| Molecular Weight: | 137.225 |
| Synonyms: | 1-(1-Cyclopenten-1-yl)pyrrolidine;1-(1-Cyclopentenyl)pyrrolidine;1-(1-Pyrrolidinyl)-1-cyclopentene;1-(1-Pyrrolidinyl)cyclopentene;1-(Cyclopent-1'-enyl)pyrrolidine;1-Cyclopentenylpyrrolidine;1-Pyrrolidinocyclopentene;1-Pyrrolidinylcyclopentene;Cyclopentanone pyrrolidine enamine;N-(1-Cyclopenten-1-yl)pyrrolidine;N-(1-Cyclopentenyl)pyrrolidine;NSC 29653; |
| EINECS: | 230-463-6 |
| Density: | 1.028 g/cm3 |
| Boiling Point: | 220.8 °C at 760 mmHg |
| Flash Point: | 79.3 °C |
| Appearance: | clear brown clear liquid |
| Hazard Symbols: |
 Xi, Xn
|
| Risk Codes: | 10-36/37/38-20/21/22 |
| Safety: | 16-26-36/37/39-37/39 |
| Transport Information: | UN 1993 3/PG 3 |
| PSA: | 3.24000 |
| LogP: | 2.08790 |
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| Conditions | Yield |
|---|---|
| With sulfuric acid In toluene Dean-Stark; Reflux; | 97% |
| With toluene-4-sulfonic acid In toluene for 2h; Heating; | 95% |
| With magnesium sulfate In cyclohexane at 0 - 20℃; Inert atmosphere; | 95% |
- 1125-99-1
1-(1-Cyclohexen-1-yl)pyrrolidine
- 120-92-3
cyclopentanone
A
- 7148-07-4
1-pyrrolidinocyclopent-1-ene
B
- 108-94-1
cyclohexanone
| Conditions | Yield |
|---|---|
| In benzene-d6 Equilibrium constant; Solvent; |
- 7148-07-4
1-pyrrolidinocyclopent-1-ene
- 66768-65-8
3-Azidobenzothiophene
- 132681-71-1
1,3a,4,5,6,6a-hexahydro-6a-(N-pyrrolidinyl)-1-(3-benzothienyl)cyclopentatriazole
| Conditions | Yield |
|---|---|
| In benzene for 0.25h; | 99% |
- 7148-07-4
1-pyrrolidinocyclopent-1-ene
- 66768-64-7
2-Azidobenzothiophene
- 132681-61-9
1,3a,4,5,6,6a-hexahydro-6a-(N-pyrrolidinyl)-1-(2-benzothienyl)cyclopentatriazole
| Conditions | Yield |
|---|---|
| In benzene for 0.0833333h; Ambient temperature; | 99% |
- 7148-07-4
1-pyrrolidinocyclopent-1-ene
| Conditions | Yield |
|---|---|
| With Hexamethylbenzene In benzene-d6 at 20℃; for 5h; | 99% |
- 7148-07-4
1-pyrrolidinocyclopent-1-ene
- 99702-49-5
6-(benzylthio)-5-phenyl-1,2,4-triazine
- 99702-60-0
5-(benzylthio)-3,4-cyclopenteno-6-phenylpyridine
| Conditions | Yield |
|---|---|
| In 1,4-dioxane for 9h; Heating; | 98% |
| In 1,4-dioxane |
- 7148-07-4
1-pyrrolidinocyclopent-1-ene
- 182418-46-8
(E)-3-{[1-(4-Nitro-phenyl)-meth-(E)-ylidene]-amino}-acrylic acid ethyl ester
- 244239-16-5
ethyl 6-(4-nitrophenyl)-4,5-(1-propanyl-3-yliden)-1,4,5,6-tetrahydro-3-pyridinecarboxylate
| Conditions | Yield |
|---|---|
| In chloroform at 20℃; for 1h; Cycloaddition; | 98% |
- 7148-07-4
1-pyrrolidinocyclopent-1-ene
- 80350-92-1
C9H8N2O
- 80351-08-2
6-Phenyl-2b-pyrrolidin-1-yl-hexahydro-2a,6a-diaza-cyclobuta[a]pentalen-2-one
| Conditions | Yield |
|---|---|
| at 20℃; | 97% |
- 7148-07-4
1-pyrrolidinocyclopent-1-ene
- 453556-96-2
6-phenyl-3-(pyridin-2-yl)-1,2,4-triazine-5-carbonitrile
- 453556-97-3
6-cyano-5-phenyl-2-(2'-pyridyl)-3,4-cyclopentenopyridine
| Conditions | Yield |
|---|---|
| Stage #1: 1-pyrrolidinocyclopent-1-ene; 6-phenyl-3-(pyridin-2-yl)-1,2,4-triazine-5-carbonitrile In benzene for 1h; Diels-Alder reaction; Heating; Stage #2: With acetic acid for 0.5h; Heating; | 97% |
| Stage #1: 1-pyrrolidinocyclopent-1-ene; 6-phenyl-3-(pyridin-2-yl)-1,2,4-triazine-5-carbonitrile In benzene for 1h; Diels-Alder reaction; Heating; Stage #2: With acetic acid for 0.5h; Heating; | 0.58 g |
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Specification
The CAS register number of 1-Pyrrolidino-1-cyclopentene is 7148-07-4. It also can be called as N-(Cyclopent-1-ene-1-yl)pyrrolidine and the IUPAC name about this chemical is 1-(cyclopenten-1-yl)pyrrolidine. The molecular formula about this chemical is C9H15N and the molecular weight is 137.22. It belongs to the API intermediates
Physical properties about 1-Pyrrolidino-1-cyclopentene are: (1)ACD/LogP: 2.27; (2)ACD/LogD (pH 5.5): 0.29; (3)ACD/LogD (pH 7.4): 0.88; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1.27; (6)ACD/KOC (pH 5.5): 4.28; (7)ACD/KOC (pH 7.4): 16.64; (8)#H bond acceptors: 1; (9)#Freely Rotating Bonds: 1; (10)Polar Surface Area: 3.24Å2; (11)Index of Refraction: 1.553; (12)Molar Refractivity: 42.71 cm3; (13)Molar Volume: 133.4 cm3; (14)Polarizability: 16.93x10-24cm3; (15)Surface Tension: 42.9 dyne/cm; (16)Enthalpy of Vaporization: 45.73 kJ/mol; (17)Boiling Point: 220.8 °C at 760 mmHg; (18)Vapour Pressure: 0.111 mmHg at 25°C.
Preparation: this chemical can be prepared by pyrrolidine and cyclopentanone. This reaction will need solvent benzene at heating.
Uses of 1-Pyrrolidino-1-cyclopentene: it can be used to produce 2-pyrrolidino-bicyclo[3.2.1]octan-8-one with propenal. This reaction will need reagent dioxane.
When you are using this chemical, please be cautious about it as the following:
This chemical is harmful by inhalation, in contact with skin and if swallowed and it is irritating to eyes, respiratory system and skin, it is flammable. When you are using it, wear suitable protective clothing, gloves and eye/face protection, you also need keep away from sources of ignition. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1)SMILES: C\2=C(/N1CCCC1)CCC/2
(2)InChI: InChI=1/C9H15N/c1-2-6-9(5-1)10-7-3-4-8-10/h5H,1-4,6-8H2
(3)InChIKey: KOFSFYBXUYHNJL-UHFFFAOYAF
(4)Std. InChI: InChI=1S/C9H15N/c1-2-6-9(5-1)10-7-3-4-8-10/h5H,1-4,6-8H2
(5)Std. InChIKey: KOFSFYBXUYHNJL-UHFFFAOYSA-N