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CAS No.: | 5763-44-0 |
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Name: | Cyclopentane-1,2-dicarboximude |
Article Data: | 8 |
Molecular Structure: | |
Formula: | C7H9NO2 |
Molecular Weight: | 139.154 |
Synonyms: | 3-azabicyclo[3.3.0]octane-2,4-dione;1,2-Cyclopentanedicarboximide;Cyclopenta[c]pyrrole-1,3(2H,3aH)-dione,tetrahydro-;Cyclopentane-1,2-dicarboximide;Cyclopentane-1,2-dicarboximude; |
EINECS: | 240-071-7 |
Density: | 1.242g/cm3 |
Melting Point: | 168 °C (dec.) |
Boiling Point: | 322.2°C at 760 mmHg |
Flash Point: | 162.2°C |
PSA: | 46.17000 |
LogP: | 0.38790 |
diethyl cyclopentane-1,2-dicarboxylate
4,5,6,6a-tetrahydro-3aH-cyclopenta[c]pyrrole-1,3-dione
Conditions | Yield |
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With ammonia at 130 - 280℃; for 5h; Product distribution / selectivity; autoclave; Pyrolysis; Industry scale; | 96% |
trans-DL-1,2-cyclopentanedicarboxylic acid
formamide
4,5,6,6a-tetrahydro-3aH-cyclopenta[c]pyrrole-1,3-dione
Conditions | Yield |
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at 170℃; Temperature; Inert atmosphere; | 93.5% |
4,5,6,6a-tetrahydro-3aH-cyclopenta[c]pyrrole-1,3-dione
Conditions | Yield |
---|---|
In diphenylether at 240℃; for 2.5h; Temperature; Inert atmosphere; Industrial scale; | 92.6% |
4,5,6,6a-tetrahydro-3aH-cyclopenta[c]pyrrole-1,3-dione
Conditions | Yield |
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With ammonia at 180℃; |
4,5,6,6a-tetrahydro-3aH-cyclopenta[c]pyrrole-1,3-dione
Conditions | Yield |
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Multi-step reaction with 4 steps 1: sulfuric acid / toluene; water / 4 h / 120 °C 2: chlorine / 1,2-dichloro-ethane / 10 h / -10 - 0 °C 3: ammonium hydroxide / 5 h / -10 - 0 °C 4: trans-DL-1,2-cyclopentanedicarboxylic acid / 2 h / 220 - 240 °C View Scheme |
cyclohexanone-2-carboxamide
4,5,6,6a-tetrahydro-3aH-cyclopenta[c]pyrrole-1,3-dione
Conditions | Yield |
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Multi-step reaction with 3 steps 1: chlorine / 1,2-dichloro-ethane / 10 h / -10 - 0 °C 2: ammonium hydroxide / 5 h / -10 - 0 °C 3: trans-DL-1,2-cyclopentanedicarboxylic acid / 2 h / 220 - 240 °C View Scheme |
4,5,6,6a-tetrahydro-3aH-cyclopenta[c]pyrrole-1,3-dione
Conditions | Yield |
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With trans-DL-1,2-cyclopentanedicarboxylic acid at 220 - 240℃; for 2h; |
Conditions | Yield |
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With potassium carbonate In N,N-dimethyl-formamide at 0 - 20℃; | 98% |
4,5,6,6a-tetrahydro-3aH-cyclopenta[c]pyrrole-1,3-dione
Conditions | Yield |
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With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 60℃; for 2h; Mitsunobu Displacement; | 69% |
4,5,6,6a-tetrahydro-3aH-cyclopenta[c]pyrrole-1,3-dione
Conditions | Yield |
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With trichloroisocyanuric acid In dichloromethane at 0 - 20℃; for 4h; Inert atmosphere; Schlenk technique; | 64% |