5-Methoxybenzo[b]thiophene-2-carboxylic acid

Base Information

• Chemical Name: 5-Methoxybenzo[b]thiophene-2-carboxylic acid
• CAS No.: 23046-02-8
• Molecular Formula: C10H8O3S
• Molecular Weight: 208.238
• Hs Code.: 2934999090
• European Community (EC) Number: 870-755-6
• DSSTox Substance ID: DTXSID20388352
• Wikidata: Q82183261
• ChEMBL ID: CHEMBL83935
• Mol file: 23046-02-8.mol

Synonyms:23046-02-8;5-Methoxybenzo[b]thiophene-2-carboxylic acid;5-methoxy-1-benzothiophene-2-carboxylic acid;5-Methoxy-benzo[b]thiophene-2-carboxylic acid;5-methoxybenzothiophene-2-carboxylic acid;MFCD07371536;Benzo[b]thiophene-2-carboxylic acid, 5-methoxy-;CHEMBL83935;SCHEMBL1867721;DTXSID20388352;CSMSEXYPAWBSCB-UHFFFAOYSA-N;AKOS016003312;SB35646;AS-43217;SY111293;5-Methoxybenzo[b]thiophene-2-carboxylicacid;5-methoxybenzo[b]thiophene-2-carboxylic?acid;CS-0076927;FT-0745477;A878349;J-517697;F9995-2770

Chemical Property of 5-Methoxybenzo[b]thiophene-2-carboxylic acid

Chemical Property:

• Vapor Pressure: 1.86E-07mmHg at 25°C
• Melting Point: 215-216 °C(Solv: acetic acid (64-19-7))
• Refractive Index: 1.673
• Boiling Point: 410 °C at 760 mmHg
• PKA: 3.42±0.30(Predicted)
• Flash Point: 201.8 °C
• PSA: 74.77000
• Density: 1.392 g/cm³
• LogP: 2.60810
• Storage Temp.: 2-8°C
• XLogP3: 2.8
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 2
• Exact Mass: 208.01941529
• Heavy Atom Count: 14
• Complexity: 231

Purity/Quality:

97% ^*data from raw suppliers

5-Methoxybenzo[b]thiophene-2-carboxylic acid ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: COC1=CC2=C(C=C1)SC(=C2)C(=O)O

Technology Process of 5-Methoxybenzo[b]thiophene-2-carboxylic acid

There total 6 articles about 5-Methoxybenzo[b]thiophene-2-carboxylic acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 90.0%

5-methoxybenzo[b]thiophene-2-carboxylic acid ethyl ester (40862-88-2) → 5-(methoxy)-1-benzothiophene-2-carboxylic acid (23046-02-8)

Guidance literature:

With potassium hydroxide; In ethanol; water; at 80 ℃; for 3h;

DOI:10.1021/acs.jmedchem.6b01915

Reference yield: 68.0%

methyl 5-methoxylbenzo[b]thiophene-2-carboxylate (19492-99-0) → 5-(methoxy)-1-benzothiophene-2-carboxylic acid (23046-02-8)

Guidance literature:

methyl 5-methoxylbenzo[b]thiophene-2-carboxylate; With potassium hydroxide; In ethanol; water; for 2h; Reflux;

With hydrogenchloride; In water; at 0 - 20 ℃; pH=1;

DOI:10.1021/ml500059y

Reference yield:

β-(3-methoxyphenyl)-α-mercaptoacryIic acid (91715-52-5) → 5-(methoxy)-1-benzothiophene-2-carboxylic acid (23046-02-8)

Guidance literature:

With N-chloro-succinimide; In 1,4-dioxane;

upstream raw materials:

(2Z)-2-mercapto-3-(3-methoxyphenyl)-2-propenoic acid

β-(3-methoxyphenyl)-α-mercaptoacryIic acid

methyl 5-methoxylbenzo[b]thiophene-2-carboxylate

2-fluoro-5-methoxybenzaldehyde

Downstream raw materials:

C₁₈H₁₅F₃N₂O₄S₂

methyl 5-methoxylbenzo[b]thiophene-2-carboxylate

5-methoxybenzothiophene