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CAS No.: | 129-64-6 |
---|---|
Name: | Carbic anhydride |
Article Data: | 78 |
Molecular Structure: | |
Formula: | C9H8O3 |
Molecular Weight: | 164.161 |
Synonyms: | 4,7-Methanoisobenzofuran-1,3-dione,3a,4,7,7a-tetrahydro-, (3aa,4a,7a,7aa)-;5-Norbornene-2,3-dicarboxylic anhydride, cis-endo- (8CI);5-Norbornene-endo-2,3-dicarboxylic anhydride;Bicyclo[2.2.1]-2-heptene-endo-5,6-dicarboxylic acid anhydride;Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid endo-cis-anhydride;Bicyclo[2.2.1]hept-5-ene-endo,endo-2,3-dicarboxylic anhydride;Bicyclo[2.2.1hept-5-ene-2-endo,3-endo-dicarboxylic anhydride; |
EINECS: | 204-957-7 |
Density: | 1.405 g/cm3 |
Melting Point: | 165-167 °C(lit.) |
Boiling Point: | 331.1 °C at 760 mmHg |
Flash Point: | 163.8 °C |
Solubility: | decomposes in water |
Appearance: | White crystalline powder |
Hazard Symbols: | Xn |
Risk Codes: | 41-42/43 |
Safety: | 22-24-26-37/39 |
PSA: | 43.37000 |
LogP: | 0.50810 |
maleic anhydride
cyclopenta-1,3-diene
3,6-endomethylene-1,2,3,6-tetrahydrophthalic anhydride
Conditions | Yield |
---|---|
With 3-(n-butoxycarbonyl)-1-methylpyridinium bis(trifluoromethanesulfonyl)imide at 20℃; for 0.166667h; Diels-Alder reaction; diastereoselective reaction; | 100% |
With 1-hexyl-3-methylimidazolium tetrafluoroborate; K-10 montmorillonite at 20℃; for 0.0833333h; Diels-Alder reaction; | 99% |
In dichloromethane at 0 - 20℃; for 10h; Diels-Alder Cycloaddition; Inert atmosphere; | 98% |
bicyclo<2.2.1>-5-hepten-2endo,3endo-dicarboxylic anhydride
A
3,6-endomethylene-1,2,3,6-tetrahydrophthalic anhydride
B
(1R,2R,6S,7S)-4-oxa-tricyclo[5.2.1.02,6]dec-8-ene-3,5-dione
Conditions | Yield |
---|---|
With sodium hydroxide In water at 70℃; for 0.166667h; Product distribution / selectivity; | A n/a B 87% |
With sodium hydroxide In water at 70℃; for 0.166667h; Product distribution / selectivity; | A 83% B 26% |
With sodium hydroxide In water at 70℃; for 0.166667h; Product distribution / selectivity; | A n/a B 50% |
A
3,6-endomethylene-1,2,3,6-tetrahydrophthalic anhydride
B
(1R,2R,6S,7S)-4-oxa-tricyclo[5.2.1.02,6]dec-8-ene-3,5-dione
Conditions | Yield |
---|---|
Stage #1: cis-5-norbornene-endo-2,3-carboxycylic acid disodium salt With hydrogenchloride In water at 5 - 70℃; for 3.16667h; Stage #2: With acetic anhydride at 5 - 70℃; for 3.16667h; Product distribution / selectivity; | A n/a B 85% |
maleic anhydride
bi(cyclopentadiene)
A
3,6-endomethylene-1,2,3,6-tetrahydrophthalic anhydride
B
(1R,2R,6S,7S)-4-oxa-tricyclo[5.2.1.02,6]dec-8-ene-3,5-dione
Conditions | Yield |
---|---|
at 206℃; for 0.366667h; Diels-Alder reaction; Neat (no solvent); | A 35% B 37% |
at 206℃; for 0.166667h; Diels-Alder reaction; Neat (no solvent); optical yield given as %de; |
3,4-Bis(trimethylsiloxy)-endo-tricyclo(4.2.1.02,5and)nona-3,7-dien
(1α,1'α',2α,2'α',5α,5'α',6α,6'α')-4,4'-Bis(trimethylsilyloxy)-4,4'-bi(tricyclo<4.2.1.02,5>non-7-enyl)-3,3'-dion
B
3,6-endomethylene-1,2,3,6-tetrahydrophthalic anhydride
Conditions | Yield |
---|---|
With copper diacetate In acetic acid for 3h; Heating; | A 13% B 23% |
norbornene-5,6-dicarboxylic acid
A
(2E)-but-2-enedioic acid
B
3,6-endomethylene-1,2,3,6-tetrahydrophthalic anhydride
Conditions | Yield |
---|---|
zuletzt Erhitzen unter 15 Torr; |
(1R,2R,6S,7S)-4-oxa-tricyclo[5.2.1.02,6]dec-8-ene-3,5-dione
3,6-endomethylene-1,2,3,6-tetrahydrophthalic anhydride
Conditions | Yield |
---|---|
at 190℃; Gleichgewichtsgemisch; |
maleic anhydride
cyclopentene
3,6-endomethylene-1,2,3,6-tetrahydrophthalic anhydride
Conditions | Yield |
---|---|
In diethyl ether |
The Molecular Structure of Carbic anhydride (CAS NO.129-64-6):
Empirical Formula: C9H8O3
Molecular Weight: 164.158
Nominal Mass: 164 Da
Average Mass: 164.158 Da
Monoisotopic Mass: 164.047344 Da
Index of Refraction: 1.583
Molar Refractivity: 39.08 cm3
Molar Volume: 116.7 cm3
Surface Tension: 50.9 dyne/cm
Density: 1.405 g/cm3
Flash Point: 163.8 °C
Enthalpy of Vaporization: 57.37 kJ/mol
Boiling Point: 331.1 °C at 760 mmHg
Vapour Pressure: 0.00016 mmHg at 25°C
Melting Point: 164.5°C
log P (octanol-water): 1.850at 25°C
Atmospheric OH Rate Constant: 6.01E-11 cm3/molecule-secat 25°C
InChI
InChI=1/C9H8O3/c10-8-6-4-1-2-5(3-4)7(6)9(11)12-8/h1-2,4-7H,3H2/t4-,5-,6-,7+/m0/s1
Smiles
C1(OC(=O)[C@H]2[C@@H]1[C@H]1C=C[C@@H]2C1)=O
EINECS: 204-957-7
Carbic anhydride (CAS NO.129-64-6) is also called as 3,6-Endomethylene-delta4-tetrahydrophthalic anhydride ; Endic anhydride ; Nadic anhydride ; Endo-5-Norbornene-2,3-dicarboxylic anhydride ; Endo-Himic acid anhydride ; 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, (3aalpha,4alpha,7alpha,7aalpha)- (9CI) ; 5-Norbornene-2,3-dicarboxylic anhydride, cis-endo- (8CI) ; 8,9,10-Trinorborn-5-ene-2,3-dicarboxylic anhydride ; Endo-3,6-methylene-1,2,3,6-tetrahydrophthalic anhydride ; cis-5-Norbornene-endo-2,3-dicarboxylic anhydride .