ChemicalBook > Product Catalog >Pharmaceutical intermediates >Heterocyclic compound >Thiophene compounds >4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid

4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid

4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid Suppliers list
Company Name: Suzhou Victorypharm Co.,Ltd.
Tel: +86-13916956214
Email: sales@victory-pharm.com
Products Intro: Product Name:4,6-dihydrothieno[3,4-b]thiophene-2-carboxylic acid
Purity:99% HPLC Package:100G;1KG;25KG
Company Name: AB PharmaTech,LLC
Tel: 323-480-4688
Email: sales@acrospharmatech.com
Products Intro: Product Name:4,6-dihydrothieno[3,4-b]thiophene-2-carboxylic acid
CAS:7712-05-2
Purity:98% Package:1g,5g,25g
Company Name: Yunbio Tech Co.,Ltd.
Tel: +86-010-60605551 +86-18046518538
Email: yunbiochem@126.com
Products Intro: Product Name:4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid
CAS:7712-05-2
Purity:98% Package:10g;100g;500g;1kg;5kg;10kg,100kg,1ton Remarks:OLED
Company Name: Alchem Pharmtech,Inc.
Tel: 8485655694
Email: sales@alchempharmtech.com
Products Intro: Product Name:4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid
CAS:7712-05-2
Purity:97+% Package:1g;10g;100g;;1kg Remarks:Z-53617
Company Name: CONIER CHEM AND PHARMA LIMITED
Tel: +8618523575427
Email: sales@conier.com
Products Intro: Product Name:4,6-dihydrothieno(3,4-b)thiophene-2-carboxylic acid
Purity:0.99 Package:1kg
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid Basic information
Product Name:4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid
Synonyms:4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid;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-carboxylic acid 96%;4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylicAcid>;Thieno[3,4-b]thiophene-2-carboxylic acid, 4,6-dihydro-;4,6-Dihydro-thieno<3,4-b>thiophen-2-carbonsaeure;4H,6H-thieno[2,3-c]thiophene-2-carboxylic acid
CAS:7712-05-2
MF:C7H6O2S2
MW:186.25
EINECS:
Product Categories:
Mol File:7712-05-2.mol
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid Structure
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid Chemical Properties
Melting point 240°C(lit.)
Boiling point 419.0±45.0 °C(Predicted)
density 1.551
storage temp. 2-8°C(protect from light)
form powder to crystal
pka3.56±0.20(Predicted)
color Light orange to Yellow to Green
InChIKeyRBINIIIGSUWMLQ-UHFFFAOYSA-N
Safety Information
HS Code 2934999090
MSDS Information
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid Usage And Synthesis
Uses4,6-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.
Synthesis1.png
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%).
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid Preparation Products And Raw materials
Raw materialsAKOS B019308-->Methyl 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylate-->METHYL THIOPHENE-2-CARBOXYLATE
Tag:4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid(7712-05-2) Related Product Information
TETRABROMO-THIENO[3,2-B]THIOPHENE