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1H,3H-Thieno[3,4-c]furan-1,3-dione

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Name

1H,3H-Thieno[3,4-c]furan-1,3-dione

EINECS N/A
CAS No. 6007-85-8 Density 1.674 g/cm3
PSA 71.61000 LogP 1.05870
Solubility N/A Melting Point 144.5-146.5℃ (toluene )
Formula C6H2O3S Boiling Point 306.4 °C at 760 mmHg
Molecular Weight 154.146 Flash Point 139.1 °C
Transport Information N/A Appearance N/A
Safety Risk Codes N/A
Molecular Structure Molecular Structure of 6007-85-8 (THIOPHENE-3,4-DICARBOXYLIC ACID) Hazard Symbols N/A
Synonyms

3,4-Thiophenedicarboxylicanhydride (6CI,7CI,8CI);3,4-Thiophenedicarboxylic acid anhydride;NSC 241105;

Article Data 37

1H,3H-Thieno[3,4-c]furan-1,3-dione Synthetic route

4282-29-5

thiophene-3,4-dicarboxylic acid

6007-85-8

1H,3H-thieno[3,4-c]furan-1,3-dione

Conditions
ConditionsYield
With acetic anhydride at 110℃;100%
With acetic anhydride at 140℃; for 12h;95%
With acetic anhydride93%
4506-94-9

thiophene-2,3,4,5-tetracarboxylic acid

6007-85-8

1H,3H-thieno[3,4-c]furan-1,3-dione

Conditions
ConditionsYield
at 220℃;

4-oxa-10-thia-tricyclo[5.2.1.02,6]deca-2(6),8-diene-3,5-dione

6007-85-8

1H,3H-thieno[3,4-c]furan-1,3-dione

Conditions
ConditionsYield
under 0.00375 Torr; Pyrolysis;

C12H8O4S

6007-85-8

1H,3H-thieno[3,4-c]furan-1,3-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 370 °C / 0 Torr / Pyrolysis
2: 0 Torr / Pyrolysis
View Scheme
18853-32-2

3,4-dicyanothiophene

6007-85-8

1H,3H-thieno[3,4-c]furan-1,3-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 74 percent / KOH / ethane-1,2-diol / Heating
2: 86 percent / Ac2O / 140 °C
View Scheme
Multi-step reaction with 2 steps
1.1: potassium hydroxide / ethylene glycol / 4 h
1.2: Cooling with ice
2.1: acetic anhydride / 3 h / Reflux
View Scheme
Multi-step reaction with 2 steps
1: potassium hydroxide / ethylene glycol / 4 h / Heating / reflux
2: acetic anhydride / 3 h / Heating / reflux
View Scheme
6007-85-8

1H,3H-thieno[3,4-c]furan-1,3-dione

33788-00-0

6-aminoundecane

1332524-83-0

4-[[1-pentylhexylamino]carbonyl]-3-thiophenecarboxylic acid

Conditions
ConditionsYield
In toluene for 24h; Reflux;98%
6007-85-8

1H,3H-thieno[3,4-c]furan-1,3-dione

124-22-1

n-Dodecylamine

847053-25-2

4-dodecylcarbamoylthiophene-3-carboxylic acid

Conditions
ConditionsYield
In toluene97%
In toluene97%
In toluene for 24h; Heating;93%
In toluene Reflux; Inert atmosphere;
In toluene at 110℃; for 12h; Inert atmosphere;
104-75-6

2-Ethylhexylamine

6007-85-8

1H,3H-thieno[3,4-c]furan-1,3-dione

1231160-82-9

5-(2-ethylhexyl)-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione

Conditions
ConditionsYield
Stage #1: 2-Ethylhexylamine; 1H,3H-thieno[3,4-c]furan-1,3-dione In toluene at 140℃; for 24h; Inert atmosphere;
Stage #2: With thionyl chloride at 140℃; for 3h; Inert atmosphere;
96%
In acetic acid Inert atmosphere; Reflux; Schlenk technique;
Stage #1: 2-Ethylhexylamine; 1H,3H-thieno[3,4-c]furan-1,3-dione In toluene at 140℃; for 24h;
Stage #2: With thionyl chloride for 3h; Reflux;
6.20 g
Stage #1: 2-Ethylhexylamine; 1H,3H-thieno[3,4-c]furan-1,3-dione In toluene Reflux;
Stage #2: With thionyl chloride for 4h; Reflux;
6007-85-8

1H,3H-thieno[3,4-c]furan-1,3-dione

62281-06-5

2-octyldodecylamine

1287306-18-6

C26H45NO3S

Conditions
ConditionsYield
In toluene for 24h; Reflux;95.3%
In toluene Reflux; Inert atmosphere;
6007-85-8

1H,3H-thieno[3,4-c]furan-1,3-dione

22513-16-2

1-hexylheptylamine

1332524-74-9

4-[[1-hexylheptylamino]carbonyl]-3-thiophenecarboxylic acid

Conditions
ConditionsYield
In toluene for 24h; Reflux;94%

1H,3H-Thieno[3,4-c]furan-1,3-dione Specification

The 1H,3H-Thieno[3,4-c]furan-1,3-dione has CAS registry number 6007-85-8. This chemical's molecular formula is C6H2O3S and molecular weight is 154.14. What's more, its IUPAC name is Thieno[3,4-c]furan-1,3-dione.

Physical properties of 1H,3H-Thieno[3,4-c]furan-1,3-dione are: (1)ACD/LogP: 1.28; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 3; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 0; (6)Polar Surface Area: 71.61 Å2; (7)Index of Refraction: 1.662; (8)Molar Refractivity: 34.06 cm3; (9)Molar Volume: 92 cm3; (10)Polarizability: 13.5×10-24cm3; (11)Surface Tension: 71.8 dyne/cm; (12)Density: 1.674 g/cm3; (13)Flash Point: 139.1 °C; (14)Enthalpy of Vaporization: 54.69 kJ/mol; (15)Boiling Point: 306.4 °C at 760 mmHg; (16)Vapour Pressure: 0.000772 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C2OC(=O)c1cscc12
(2)Std. InChI: InChI=1S/C6H2O3S/c7-5-3-1-10-2-4(3)6(8)9-5/h1-2H
(3)Std. InChIKey: XQTUSPVIMZCNPC-UHFFFAOYSA-N

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