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3,3',4,4'-benzophenonetetracarboxylic acid
dianhydride of benzophenone-3,4,3',4'-tetracarboxy acid
Conditions | Yield |
---|---|
With 2,6-bis[(2,2,6,6-tetramethylpiperidin-1-yl)methyl]phenylboronic acid In propyl cyanide for 12h; Reflux; | 98% |
at 225℃; for 2h; Industrial scale; | 73.56% |
In diphenylether at 230℃; for 2h; Dean-Stark; Heating; | 70% |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 3 h / 0 - 2 °C / Inert atmosphere; Industrial scale 1.2: 7 h / 0 - 40 °C / Inert atmosphere; Industrial scale 2.1: potassium permanganate; hydrogenchloride / water / 3 h / 80 °C / Industrial scale 3.1: 2 h / 225 °C / Industrial scale View Scheme | |
Multi-step reaction with 4 steps 1: aluminum (III) chloride / 0 - 5 °C 2: sodium hydroxide / water / 1 h / Heating 3: potassium permanganate; water / pyridine / 85 °C 4: diphenylether / 2 h / 230 °C / Dean-Stark; Heating View Scheme |
dianhydride of benzophenone-3,4,3',4'-tetracarboxy acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sodium hydroxide / water / 1 h / Heating 2: potassium permanganate; water / pyridine / 85 °C 3: diphenylether / 2 h / 230 °C / Dean-Stark; Heating View Scheme |
Conditions | Yield |
---|---|
In water | 100% |
Conditions | Yield |
---|---|
In water for 0.5h; | 100% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 0℃; for 3h; | 99% |
3,3'-bis(N-aminophthalimide)
4,4'-oxydiphenylene diamine
dianhydride of benzophenone-3,4,3',4'-tetracarboxy acid
polymer, Mn/Mw = 1.6, Mn = 51210 g/mol, Mw = 82240 g/mol, inherent viscosity = 0.50 dL/g; monomer(s): 3,3\-bis(N-aminophthalimide); 4,4\-oxydianiline; 3,3\44,4\-biphenyltetracarboxylic acid dianhydride
Conditions | Yield |
---|---|
With 4-chloro-phenol; benzoic acid at 100 - 190℃; | 98% |
[(m-aminophenylamino)-4-aminophenylmethylidene]propanedinitrile
dianhydride of benzophenone-3,4,3',4'-tetracarboxy acid
Conditions | Yield |
---|---|
In 1-methyl-pyrrolidin-2-one; chlorobenzene at 20 - 190℃; for 20h; | 98% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 0℃; for 3h; | 98% |
1,1,1,3,3,3-hexamethyl-disilazane
dianhydride of benzophenone-3,4,3',4'-tetracarboxy acid
Conditions | Yield |
---|---|
at 130 - 140℃; | 97% |
The Molecular Structure of 1,3-Isobenzofurandione, 5,5'-carbonylbis- (CAS NO.2421-28-5):
Empirical Formula: C17H6O7
Molecular Weight: 322.2253
IUPAC: 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione
Product Categories: pharmacetical;Aromatic Tetracarboxylic Dianhydrides (for High-Performance Polymer Research);Benzophenones (for High-Performance Polymer Research);Functional Materials;Reagent for High-Performance Polymer Research
Appearance: white crystall powder
Nominal Mass: 322 Da
Average Mass: 322.2253 Da
Monoisotopic Mass: 322.011353 Da
Index of Refraction: 1.699
Molar Refractivity: 74.9 cm3
Molar Volume: 193.8 cm3
Surface Tension: 79.2 dyne/cm
Density: 1.662 g/cm3
Flash Point: 286.1 °C
Enthalpy of Vaporization: 94.33 kJ/mol
Boiling Point: 638.8 °C at 760 mmHg
Vapour Pressure: 3.25E-16 mmHg at 25°C
Water Solubility: REACTS
Sensitive Moisture: Sensitive
Sublimation: 220-230 ºC
InChI
InChI=1/C17H6O7/c18-13(7-1-3-9-11(5-7)16(21)23-14(9)19)8-2-4-10-12(6-8)17(22)24-15(10)20/h1-6H
Smiles
O=C1OC(=O)c2ccc(C(=O)c3ccc4c(C(=O)OC4=O)c3)cc12
Hazard Codes: Xi
Risk Statements: 36/37
R36/37: Irritating to eyes and respiratory system
Safety Statements: 25
S25: Avoid contact with eyes
WGK Germany: 1
F 21: Sensitive to humidity
HS Code: 29183000
1,3-Isobenzofurandione, 5,5'-carbonylbis- (CAS NO.2421-28-5) is also called as Benzophenonetetracarboxylic acid dianhydride ; 3,3',4,4'-Benzophenonetetracarboxylic acid dianhydride ; 3,3',4,4'-Benzophenonetetracarboxylic dianhydride ; 3,3',4,4'-Tetracarboxybenzophenone dianhydride ; 4,4'-Carbonylbis(phthalic anhydride) ; 4,4'-Carbonyldiphthalic anhydride ; 4,4'-Diphthalic anhydride ketone ; Benzophenonetetracarboxylic acid anhydride ; Benzophenonetetracarboxylic acid dianhydride ; Benzophenonetetracarboxylic anhydride ; Benzophenonetetracarboxylic dianhydride ; EINECS 219-348-1 ; NSC 78480 ; Benzophenone-3,3':4,4'-tetracarboxylic dianhydride ; Phthalic anhydride, 4,4'-carbonyldi- (8CI) ; Phthalic anhydride, 4,4'-carbonyldi- .