Home Cart 0 Sign in  
X

[ CAS No. 14282-58-7 ] {[proInfo.proName]}

,{[proInfo.pro_purity]}
Cat. No.: {[proInfo.prAm]}
3d Animation Molecule Structure of 14282-58-7
Chemical Structure| 14282-58-7
Chemical Structure| 14282-58-7
Structure of 14282-58-7 * Storage: {[proInfo.prStorage]}
Cart0 Add to My Favorites Add to My Favorites Bulk Inquiry Inquiry Add To Cart

Search after Editing

* Storage: {[proInfo.prStorage]}

* Shipping: {[proInfo.prShipping]}

Quality Control of [ 14282-58-7 ]

Related Doc. of [ 14282-58-7 ]

Alternatived Products of [ 14282-58-7 ]
Product Citations

Product Details of [ 14282-58-7 ]

CAS No. :14282-58-7 MDL No. :N/A
Formula : C6H4O6S Boiling Point : -
Linear Structure Formula :- InChI Key :YJQSEUFVWQCHCP-UHFFFAOYSA-N
M.W : 204.16 Pubchem ID :316269
Synonyms :

Safety of [ 14282-58-7 ]

Signal Word:Warning Class:
Precautionary Statements:P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313 UN#:
Hazard Statements:H315-H319 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 14282-58-7 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 14282-58-7 ]

[ 14282-58-7 ] Synthesis Path-Downstream   1~9

  • 1
  • [ 14282-58-7 ]
  • [ 108-24-7 ]
  • 3,4-diacetoxy-thiophene-2,5-dicarboxylic acid [ No CAS ]
YieldReaction ConditionsOperation in experiment
With benzene
  • 2
  • [ 14282-58-7 ]
  • [ 14282-59-8 ]
YieldReaction ConditionsOperation in experiment
unter vermindertem Druck;
  • 3
  • [ 58416-04-9 ]
  • 3,4-dihydroxy-thiophene-2,5-dicarboxylic acid monomethyl ester [ No CAS ]
  • [ 14282-58-7 ]
YieldReaction ConditionsOperation in experiment
With sodium hydroxide; water; sodium acetate at 110℃;
  • 4
  • [ 1822-66-8 ]
  • [ 14282-58-7 ]
YieldReaction ConditionsOperation in experiment
With sodium hydroxide; water; sodium acetate at 110℃;
0.7 g With sodium acetate; sodium hydroxide In water at 100 - 120℃; for 4.5h; Inert atmosphere; 1.c Synthesis of 3,4-dihydroxy-2,5-dicarboxylic acid thiophene In a 1-liter four-necked flask, 24.4 g (0.18 mol) of sodium acetate · trihydrate (reagent special grade, manufactured by Kishida Chemical Co., Ltd) and 3 . 1 g (74.8 mmol) of sodium hydroxide (special grade reagent, manufactured by Kishida Chemical Co., Ltd.) were charged, and the mixture was heated to 120 ° C. Thereto, 1.3 g (5.0 mmol) of 3,4-dihydroxy-2,5- dicarboxylic acid thiophene diethyl ester obtained in b) and 5.0 g of water were added and stirred at 120 ° C for 1.5 hours, further, the reaction was continued at 100 ° C for 3 hours. After completion of the reaction, 62.3 g of water and 33.2 g (0.32 mol) of 35% hydrochloric acid were added to the reaction solution at 25 to 30 ° C, and the reaction solution was extracted with ethyl acetate and washed with water and anhydrous magnesium sulfate (Specialgrade reagent,manufactured by Kanto Chemicalinc) was added & dehydrated and then concentrated at 55 ° C/16 to 20 mmHg to obtain 0.7 g of a brown solid.
YieldReaction ConditionsOperation in experiment
Farb-Rk. m. FeCl3 --> blau;
YieldReaction ConditionsOperation in experiment
Diethylester, NaOH, Na-acetat; Erhitzen; Verseifung (nicht naeher beschr.);
  • 7
  • [ 14282-58-7 ]
  • [ 124-63-0 ]
  • 3,4-bis(methanesulfonyloxy)thiophene [ No CAS ]
YieldReaction ConditionsOperation in experiment
100% Stage #1: 3,4-dihydroxy-2,5-dicarboxylic acid thiophene With pyridine at 100℃; for 1h; Inert atmosphere; Stage #2: methanesulfonyl chloride With triethylamine at 8 - 25℃; for 18h; Inert atmosphere; 1 Synthesis example of 3,4-bis (methanesulfonyloxy) thiophene 0.5 g (2.5 mmol) of 3,4-dihydroxy-2,5-dicarboxylic acid thiophene obtained in Synthesis Example 1 and 4.8 g of pyridine were placed in a 100 ml four-necked flask under a nitrogen atmosphere, While maintaining the temperature at 100 ° C. for 1 hour to perform a decarboxylation reaction. Subsequently, after cooling to 8 ° C., 0.8 g (7.4 mmol) of methanesulfonyl chloride (manufactured by Wako Pure Chemical Industries, special grade chemical) was added, and further 0.8 g (7.4 mmol) of triethylamine was maintained at 12 ° C. or lower Dropwise over 10 minutes while stirring at 8 to 12 ° C. for 3 hours. After stirring for 15 hours and returning to 25 ° C., diethyl ether was added, followed by filtration, concentration, extraction with diethyl ether-ethyl acetate and washing with water to obtain 4.6 g of anhydrous magnesium sulfate (manufactured by Kanto Chemical Co., After dehydration, it was concentrated at 55 ° C./16 to 20 mmHg to obtain 0.7 g (yield, quantitative) of a light brown solid. The obtained solid was a single spot with thin layer chromatography (RP-8 F 254 S, acetonitrile: water = 10: 1, manufactured by Merck), and 1 H-NMR and 13 C-NMR measurements revealed that 3,4-bis (MethanesulfonylOxy) thiophene.
  • 8
  • [ 10147-36-1 ]
  • [ 14282-58-7 ]
  • 3,4-bis(propanesulfonyloxy)thiophene [ No CAS ]
YieldReaction ConditionsOperation in experiment
100% Stage #1: 3,4-dihydroxy-2,5-dicarboxylic acid thiophene With pyridine at 5 - 25℃; for 1h; Inert atmosphere; Stage #2: n-propanesulfonyl chloride With triethylamine at 7 - 25℃; for 18h; Inert atmosphere; 2 synthesis example of 3,4-bis (propanesulfonyloxy) thiophene 0.5 g (2.5 mmol) of 3,4-dihydroxy-2,5-dicarboxylic acid thiophene obtained in Synthesis Example 1 and 4.8 g of pyridine were placed in a 100 ml four-necked flask under a nitrogen atmosphere, While maintaining the temperature at 100 ° C. for 1 hour to perform a decarboxylation reaction. Then, after cooling to 7 ° C., 1.1 g (7.4 mmol) of propanesulfonyl chloride (manufactured by Tokyo Chemical Industry Co., Ltd., reagent grade 1) was added, and while 0.8 g (7.4 mmol) of triethylamine was kept at 10 ° C. Was added dropwise over 10 minutes and further stirred at 10 ° C. for 3 hours. After stirring for 15 hours and returning to 25 ° C., diethyl ether was added, followed by filtration, concentration, extraction with diethyl ether, washing with water, and adding 4.6 g of anhydrous magnesium sulfate (manufactured by Kanto Kagaku, reagent deer grade) After dehydration, it was concentrated at 55 ° C./16 to 20 mmHg to obtain 0.9 g (yield, quantitative) of a pale brown liquid. The obtained liquid was a main spot with thin layer chromatography (RP-8 F 254 S, acetonitrile: water = 10: 1, manufactured by Merck), and 1 H-NMR and 1When 3 C-NMR was measured, it was confirmed to be 3,4-bis (propanesulfonyloxy) thiophene.
  • 9
  • [ 14282-58-7 ]
  • [ 98-59-9 ]
  • 3,4-bis(p-toluenesulfonyloxy)thiophene [ No CAS ]
YieldReaction ConditionsOperation in experiment
80% Stage #1: 3,4-dihydroxy-2,5-dicarboxylic acid thiophene With pyridine at 100℃; for 1h; Inert atmosphere; Stage #2: p-toluenesulfonyl chloride With triethylamine at 8 - 25℃; for 18h; Inert atmosphere; 3 synthesis example of 3,4-bis (toluenesulfonyloxy) thiophene 0.2 g (1.1 mmol) of 3,4-dihydroxy-2,5-dicarboxylic acid thiophene obtained in Synthesis Example 1 and 4.7 g of pyridine were placed in a 100 ml four-necked flask under a nitrogen atmosphere, While maintaining the temperature at 100 ° C. for 1 hour to perform a decarboxylation reaction. Subsequently, after cooling to 5 ° C., 0.7 g (3.3 mmol) of p-toluenesulfonyl chloride (manufactured by Wako Pure Chemical Industries, special grade chemical) was added, and 0.3 g (3.4 mmol) of triethylamine was added to 5-8 C. over a period of 10 minutes, and further stirred at 5 to 8 ° C. for 3 hours. After stirring for 15 hours and returning to 25 ° C., diethyl ether was added, then filtration, concentration, extraction with diethyl ether, washing with water, 4.0 g of anhydrous magnesium sulfate (manufactured by Kanto Kagaku, reagent deer special grade) was added After dehydration, it was concentrated at 55 ° C./16 to 20 mmHg to obtain 0.4 g (yield, 80%) of a light brown solid. The obtained solid was a main spot with thin layer chromatography (RP-8 F 254 S, acetonitrile: water = 10: 1, manufactured by Merck), and 1 H-NMWhen R and 13 C-NMR were measured, it was confirmed to be 3,4-bis (toluenesulfonyloxy) thiophene.
Recommend Products
Same Skeleton Products
Historical Records

Related Functional Groups of
[ 14282-58-7 ]

Alcohols

Chemical Structure| 40748-90-1

[ 40748-90-1 ]

4-Hydroxythiophene-2-carboxylic acid

Similarity: 0.88

Chemical Structure| 5556-22-9

[ 5556-22-9 ]

Methyl 3-hydroxy-5-methyl-2-thiophenecarboxylate

Similarity: 0.87

Chemical Structure| 5118-06-9

[ 5118-06-9 ]

Methyl 3-hydroxythiophene-2-carboxylate

Similarity: 0.85

Chemical Structure| 99187-10-7

[ 99187-10-7 ]

Diethyl 3-hydroxythiophene-2,5-dicarboxylate

Similarity: 0.84

Chemical Structure| 2158-88-5

[ 2158-88-5 ]

Ethyl 3-hydroxythiophene-2-carboxylate

Similarity: 0.83

Carboxylic Acids

Chemical Structure| 83261-26-1

[ 83261-26-1 ]

3-Methoxy-5-methylthiophene-2-carboxylic acid

Similarity: 0.89

Chemical Structure| 40748-90-1

[ 40748-90-1 ]

4-Hydroxythiophene-2-carboxylic acid

Similarity: 0.88

Chemical Structure| 260063-21-6

[ 260063-21-6 ]

2,3-Dihydrothieno[3,4-b][1,4]dioxine-5-carboxylic acid

Similarity: 0.85

Chemical Structure| 18361-03-0

[ 18361-03-0 ]

2,3-Dihydrothieno[3,4-b][1,4]dioxine-5,7-dicarboxylic acid

Similarity: 0.85

Chemical Structure| 55370-27-9

[ 55370-27-9 ]

Thieno[3,4-d][1,3]dioxole-4-carboxylic acid

Similarity: 0.84