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Naphtho[2,1-b]furan-2-carboxylic acid is a chemical compound with the molecular formula C11H6O3. It belongs to the class of organic compounds known as naphthofurans, which are characterized by a fused furan ring with a naphthalene backbone. This specific compound features a carboxylic acid functional group attached to the furan ring, which can participate in various chemical reactions, such as esterification or amidation. The compound may have potential applications in the synthesis of pharmaceuticals, agrochemicals, or other specialty chemicals due to its unique structure and reactivity. However, it is important to note that the term "SALTDATA: FREE" in the context of the chemical name suggests that the compound is being referred to in its free acid form, without any associated salts or metal complexes.

5656-67-7

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5656-67-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5656-67-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,5 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5656-67:
(6*5)+(5*6)+(4*5)+(3*6)+(2*6)+(1*7)=117
117 % 10 = 7
So 5656-67-7 is a valid CAS Registry Number.

5656-67-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name Naphtho[2,1-b]furan-2-carboxylic acid

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:5656-67-7 SDS

5656-67-7Relevant academic research and scientific papers

Enantioselective Synthesis of Five-Membered-Ring Atropisomers with a Chiral Rh(III) Complex

Shaaban, Saad,Li, Houhua,Otte, Felix,Strohmann, Carsten,Antonchick, Andrey P.,Waldmann, Herbert

, p. 9199 - 9202 (2020/11/30)

Axially chiral atropisomeric compounds are widely applied in asymmetric catalysis and medicinal chemistry, and efficient methods for their synthesis are in high demand. This applies in particular to atropisomers derived from five-membered aromatic rings because their lower barrier for rotation among the biaryl axis limits their asymmetric synthesis. We report here an enantioselective C-H functionalization method using our chiral RhJasCp complex for the synthesis of the biaryl atropisomer types that can be accessed from three different five-membered-ring heterocycles.

Tandem Synthesis of 2-Carboxybenzofurans via Sequential Cu-Catalyzed C-O Coupling and Mo(CO)6-Mediated Carbonylation Reactions

Mo, Qinliang,Sun, Nan,Jin, Liqun,Hu, Baoxiang,Shen, Zhenlu,Hu, Xinquan

, p. 11490 - 11500 (2020/10/12)

A modular tandem synthesis of 2-carboxybenzofurans from 2-gem-dibromovinylphenols has been established based on a sequence of Cu-catalyzed intramolecular C-O coupling and Mo(CO)6-mediated intermolecular carbonylation reactions. This protocol allowed one-step access to a broad variety of functionalized benzofuran-2-carboxylic acids, esters, and amides in good to excellent yields under Pd- and CO gas-free conditions.

NOVEL TUBULIN POLYMERIZATION INHIBITOR AND METHOD FOR SYNTHESIZING SAME

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Paragraph 0060-0063, (2016/05/10)

The present invention relates to (E)-ethyl 2-(2-methyl-3-((2-(naphtho[2,1-b]furan-2-carbonyl)hydrazono)methyl)-1H-indol-1-yl)acetate as a novel tubulin polymerization inhibitor and a method for synthesizing the same. The compound of the present invention can inhibit mitosis and induce apoptosis and thus be used as an anticancer agent, by binding to tubulin to inhibit microtube polymerization. According to the synthesis method of the present invention, the reaction is simplified and the efficiency is 60%, or higher, leading to a very high yield, thereby providing an effective synthesis method.

Compound, a manufacturing method of an optical film, and optical film

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Paragraph 0240; 0241; 0242, (2020/04/17)

PROBLEM TO BE SOLVED: To provide a new compound affording an optical film allowing uniform polarization conversion in a wide wavelength region. SOLUTION: The compound is represented by formula (1-1). COPYRIGHT: (C)2012,JPOandINPIT

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