| Identification | Back Directory | [Name]
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid | [CAS]
7712-05-2 | [Synonyms]
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid
4,6-dihydrothieno[2,3-c]thiophene-2-carboxylic acid
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylicAcid>
Thieno[3,4-b]thiophene-2-carboxylic acid, 4,6-dihydro-
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid 96%
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid | [Molecular Formula]
C7H6O2S2 | [MDL Number]
MFCD20642620 | [MOL File]
7712-05-2.mol | [Molecular Weight]
186 |
| Chemical Properties | Back Directory | [Melting point ]
240°C(lit.) | [Boiling point ]
419.0±45.0 °C(Predicted) | [density ]
1.551 | [storage temp. ]
Keep in dark place,Sealed in dry,2-8°C | [form ]
powder to crystal | [pka]
3.56±0.20(Predicted) | [color ]
Light orange to Yellow to Green | [InChI]
InChI=1S/C7H6O2S2/c8-7(9)5-1-4-2-10-3-6(4)11-5/h1H,2-3H2,(H,8,9) | [InChIKey]
RBINIIIGSUWMLQ-UHFFFAOYSA-N | [SMILES]
C12CSCC=1C=C(C(O)=O)S2 |
| Hazard Information | Back Directory | [Uses]
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid can be used as organic synthesis intermediates and pharmaceutical intermediates, mainly used in laboratory research and development processes and pharmaceutical and chemical production processes. | [Synthesis]
Compound 3 was dissolved in ethanol,Potassium hydroxide was added and refluxed at 78 ° C for 4 h,After cooling to room temperature (25 ° C), the reaction solution was extracted with IM HCl, extracted with ethyl acetate, dried over Mg2SO4 and dried to give the title compound 4 (92%). | [References]
[1] Patent: CN106317070, 2017, A. Location in patent: Paragraph 0127 |
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J & K SCIENTIFIC LTD.
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18210857532 18210857532 |
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https://www.jkchemical.com |
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Energy Chemical
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400-0056266 |
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www.energy-chemical.com |
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T&W GROUP
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021-61551611 13296011611 |
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