ChemicalBook > CAS DataBase List > 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid

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

Product Name
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid
CAS No.
7712-05-2
Chemical Name
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid
Synonyms
4H,6H-thieno[2,3-c]thiophene-2-carboxylic acid;4,6-Dihydro-thienothiophen-2-carbonsaeure;4,6-dihydrothieno[2,3-c]thiophene-2-carboxylic acid;4,6-Dihydrothieno[3,4-b]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
CBNumber
CB42546496
Molecular Formula
C7H6O2S2
Formula Weight
186.25
MOL File
7712-05-2.mol
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4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid Property

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
pka
3.56±0.20(Predicted)
color 
Light orange to Yellow to Green
InChIKey
RBINIIIGSUWMLQ-UHFFFAOYSA-N
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Safety

HS Code 
2934999090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

TCI Chemical
Product number
D4071
Product name
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid
Purity
>98.0%(GC)(T)
Packaging
1g
Price
$732
Updated
2024/03/01
TRC
Product number
D454783
Product name
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid
Packaging
100mg
Price
$60
Updated
2021/12/16
SynQuest Laboratories
Product number
6H66-1-0V
Product name
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid
Purity
96%
Packaging
250mg
Price
$64
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD61237
Product name
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid
Packaging
100mg
Price
$75
Updated
2021/12/16
Apolloscientific
Product number
OR54533
Product name
4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic Acid
Purity
96%
Packaging
250mg
Price
$41
Updated
2021/12/16
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4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid Chemical Properties,Usage,Production

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%).

4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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

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7712-05-2, 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acidRelated Search:

TETRABROMO-THIENO[3,2-B]THIOPHENE

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