Category: 23046-03-9

23046-03-9, 5,6-Dimethoxybenzo[b]thiophene-2-carboxylic acid is a benzothiophene compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

REFERENCE EXAMPLE 7 Methyl 5,6-dimethoxybenzothiophen-2-carboxylate 5,6-Dimethoxybenzothiophen-2-carboxylic acid (2.41 g, 10 mmol) was treated with a catalytic amount of sulfuric acid (2 mL) in methanol (110 mL) to give the title compound (2.03 g, 79%) as white crystals. Melting point=154 to 156 C. 1H-NMR (CDCl3, 270 MHz) delta=7.94 (s, 1H), 7.25 (s, 1H), 7.24 (s, 1H), 3.98, 3.96 and 3.93 (3s, each 3H)., 23046-03-9

As the paragraph descriping shows that 23046-03-9 is playing an increasingly important role.

Reference£º
Patent; Tsunoda, Hidetoshi; Fukuzawa, Nobuyuki; Chiba, Kyoko; Nakao, Toshifumi; Asada, Noriaki; Takebayashi, Nozomi; Kibayashi, Kenji; Migita, Hideyuki; Morikawa, Maki; US2003/109570; (2003); A1;,
Benzothiophene – Wikipedia
Benzothiophene | C8H6S – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.23046-03-9,5,6-Dimethoxybenzo[b]thiophene-2-carboxylic acid,as a common compound, the synthetic route is as follows.

REFERENCE EXAMPLE 2 5,6-Dimethoxybenzothiophen-2-nitrile The amide compound prepared in Reference Example 1 (13.5 g, 56.9 mmol) was dissolved in pyridine (70 mL). To the solution at 10 C. or lower was added dropwise trifluoroacetic anhydride (40 mL). After stirring at 0 C. for 1 hour, water (200 mL) was added and the precipitated crystals were collected by filtration to give the title compound (11.2 g, 90%) as opalescent crystals. Melting point=121, to 123 C. 1H-NMR (DMSO-d6, 270 MHz) delta=8.13 (bs, 1H), 7.66 (s, 1H), 7.48 (s, 1H), 3.88 and 3.85 (2s, each 3H)., 23046-03-9

23046-03-9 5,6-Dimethoxybenzo[b]thiophene-2-carboxylic acid 268620, abenzothiophene compound, is more and more widely used in various fields.

Reference£º
Patent; Tsunoda, Hidetoshi; Fukuzawa, Nobuyuki; Chiba, Kyoko; Nakao, Toshifumi; Asada, Noriaki; Takebayashi, Nozomi; Kibayashi, Kenji; Migita, Hideyuki; Morikawa, Maki; US2003/109570; (2003); A1;,
Benzothiophene – Wikipedia
Benzothiophene | C8H6S – PubChem