20532-28-9, Name is 5-Aminobenzothiophene, belongs to benzothiophene compound, is a common compound. Formula: C8H7NSIn an article, once mentioned the new application about 20532-28-9.
A kind of O-amino phenol derivative and its preparation method (by machine translation)
The invention relates firstly to a O-amino phenol derivatives of the preparation method, comprises the following steps: (1) in order to aryl amine compound as the substrate, 2 – chloro – 5 – nitro-pyrimidine as guides the base, in acetonitrile to obtain pyrimidine aryl amine compound intermediate; (2) to the second oxygenated esters of acetic acid as the oxidizing agent, acetic acid palladium are the catalyst, catalytic said step (1) of the pyrimidine aryl compound intermediate in the solvent C – H activation reaction, to obtain the acetoxylation of aniline derivative, and a ground line, chromatography separation purification; (3) by hydrazine hydrate to said step (2) of acetoxylation of aniline derivative in tetrahydrofuran solvent in the reaction at room temperature 30 min to obtain the neighbouring amidogen phenol derivatives, quenching, washing extraction, drying, and a ground line, chromatography separation and purification. The invention also discloses the above-mentioned method for preparing a kind of O-amino phenol derivatives. (by machine translation)
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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem