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CAS No.: | 1015423-45-6 |
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Name: | 4,6-DibroMothieno[3,4-c]furan-1,3-dione |
Article Data: | 8 |
Cas Database | |
Molecular Structure: | |
Formula: | C6Br2O3S |
Molecular Weight: | 311.938 |
Synonyms: | 4,6-DibroMothieno[3,4-c]furan-1,3-dione;2,5-Dibromo-3,4-thiophenedicarboxylic Anhydride |
EINECS: | N/A |
Density: | 2.507±0.06 g/cm3(Predicted) |
Melting Point: | N/A |
Boiling Point: | 420.1±45.0 °C(Predicted) |
Flash Point: | N/A |
Solubility: | N/A |
Appearance: | N/A |
Hazard Symbols: | N/A |
Risk Codes: | N/A |
Safety: | |
Transport Information: | N/A |
PSA: | 71.61000 |
LogP: | 2.58370 |
2,5-dibromo-3,4-dicarboxylic acid thiophene
2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde
Conditions | Yield |
---|---|
With acetic anhydride at 140℃; | 96% |
With acetic anhydride Inert atmosphere; | 81% |
With acetic anhydride Inert atmosphere; | 51% |
thiophene-3,4-dicarboxylic acid
2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic acid; bromine / Inert atmosphere 2: acetic anhydride / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: bromine; acetic acid / Inert atmosphere 2: acetic anhydride / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: bromine; acetic acid / Inert atmosphere 2: acetic anhydride / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: bromine / acetic acid / 85 °C 2: acetic anhydride / 140 °C View Scheme | |
With acetic anhydride; sodium bromide In dimethyl sulfoxide at 20 - 120℃; for 16.1h; Reagent/catalyst; Temperature; |
acetic anhydride
2,5-dibromo-3,4-dicarboxylic acid thiophene
2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde
Conditions | Yield |
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at 140℃; for 12h; Inert atmosphere; |
2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde
Conditions | Yield |
---|---|
With bromine In acetic acid | |
With bromine In acetic acid |
3-(3,5,7,9,11,13,15-heptaisobutylpentacyclo[9,5,1,1(3,9),1(7,13),1(5,15)]octasiloxane-1-yl)propylamine
2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde
Conditions | Yield |
---|---|
Stage #1: 3-(3,5,7,9,11,13,15-heptaisobutylpentacyclo[9,5,1,1(3,9),1(7,13),1(5,15)]octasiloxane-1-yl)propylamine; 2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde In tetrahydrofuran at 50℃; for 4h; Inert atmosphere; Stage #2: With thionyl chloride at 55℃; for 3h; Inert atmosphere; | 92% |
tetradecylamine
2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde
1,3-dibromo-5-tetradecyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione
Conditions | Yield |
---|---|
Stage #1: tetradecylamine; 2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde In tetrahydrofuran at 50℃; for 3h; Inert atmosphere; Stage #2: With thionyl chloride at 55℃; for 4h; Inert atmosphere; | 89% |
2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde
2,4,6-triisopropylaniline
Conditions | Yield |
---|---|
Stage #1: 2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde; 2,4,6-triisopropylaniline In tetrahydrofuran at 50℃; for 4h; Schlenk technique; Inert atmosphere; Stage #2: With thionyl chloride In tetrahydrofuran at 55℃; for 4h; Schlenk technique; | 88% |
1-Heptylamine
2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde
1,3-dibromo-5-(n-heptyl)-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione
Conditions | Yield |
---|---|
Stage #1: 1-Heptylamine; 2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde In tetrahydrofuran at 50℃; for 3h; Inert atmosphere; Stage #2: With thionyl chloride In tetrahydrofuran at 55℃; for 4h; Inert atmosphere; | 86% |
2-Ethylhexylamine
2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde
1,3-dibromo-5-(2-ethylhexyl)-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione
Conditions | Yield |
---|---|
Stage #1: 2-Ethylhexylamine; 2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde In tetrahydrofuran at 50℃; for 3h; Inert atmosphere; Stage #2: With thionyl chloride at 55℃; for 4h; Inert atmosphere; | 86% |
n-Octylamine
2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde
1,3-dibromo-5-octylthieno[3,4-c]pyrrole-4,6-dione
Conditions | Yield |
---|---|
Stage #1: n-Octylamine; 2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde In tetrahydrofuran at 50℃; for 3h; Inert atmosphere; Stage #2: With thionyl chloride In tetrahydrofuran at 55℃; for 4h; Inert atmosphere; | 84% |
Stage #1: n-Octylamine; 2,5-dibromothiophene-3,4-dicarboxylic acid anhydryde In tetrahydrofuran at 50℃; for 3h; Inert atmosphere; Stage #2: With thionyl chloride at 55℃; for 4h; Inert atmosphere; | 84% |
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