4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid synthesis
- Product Name:4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid
- CAS Number:7712-05-2
- Molecular formula:C7H6O2S2
- Molecular Weight:186.25
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%).
![Methyl 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylate](/CAS/GIF/7767-60-4.gif)
7767-60-4
38 suppliers
$19.00/100mg
7712-05-2
78 suppliers
$35.00/250mg
Yield:7712-05-2 92%
Reaction Conditions:
with ethanol;potassium hydroxide at 78; for 4 h;
Steps:
2.3 Prepared according to the flow chart in Figure 3
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:
Institute of Chemistry, Chinese Academy of Sciences;Zhu, Xiaozhang;Liu, Feng CN106317070, 2017, A Location in patent:Paragraph 0127
5380-42-7
177 suppliers
$6.00/1g
7712-05-2
78 suppliers
$35.00/250mg
7353-89-1
36 suppliers
$201.47/1gm:
7712-05-2
78 suppliers
$35.00/250mg