4-oxo-4H-chromene-3-sulfinic acid

Base Information

• Chemical Name: 4-oxo-4H-chromene-3-sulfinic acid
• CAS No.: 84200-61-3
• Molecular Formula: C9H6 O4 S
• Molecular Weight: 210.2065

Synonyms:Chromone-3-sulfinicacid

Chemical Property of 4-oxo-4H-chromene-3-sulfinic acid

Chemical Property:

• Vapor Pressure: 4.72E-08mmHg at 25°C
• Boiling Point: 427°C at 760 mmHg
• Flash Point: 212.1°C
• Density: 1.68g/cm³

Purity/Quality:

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MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4-oxo-4H-chromene-3-sulfinic acid

There total 1 articles about 4-oxo-4H-chromene-3-sulfinic 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: 27.0%

(E)-3-(dimethylamino)-1-(2-hydroxyphenyl)prop-2-en-1-one (1776-08-5) → 4-Oxo-4H-<1>benzopyran-3-sulfinsaeure (84200-61-3)

Guidance literature:

With thionyl chloride; for 0.166667h;

DOI:10.1002/ardp.19823151013

Reference yield: 81.0%

4-Oxo-4H-<1>benzopyran-3-sulfinsaeure (84200-61-3) → 3-Amino-1-(2-hydroxyphenyl)-2-propen-1-on (30992-84-8,35572-24-8)

Guidance literature:

With ammonium hydroxide; for 0.166667h; Heating;

DOI:10.1002/ardp.19843170105

Reference yield: 66.0%

4-Oxo-4H-<1>benzopyran-3-sulfinsaeure (84200-61-3) → 5-(2-hydroxyphenyl)isoxazole (61348-47-8)

Guidance literature:

With hydroxylamine hydrochloride; sodium acetate; In acetic acid; for 0.166667h; Heating;

DOI:10.1002/ardp.19843170105

upstream raw materials:

(E)-3-(dimethylamino)-1-(2-hydroxyphenyl)prop-2-en-1-one

Downstream raw materials:

5-(2-hydroxyphenyl)isoxazole

3-Amino-1-(2-hydroxyphenyl)-2-propen-1-on

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