dimethylcarbamic acid 3-(3-aminosulfonylamino-2-fluoro-benzyl)-4-fluoromethyl-2-oxo-2H-1-benzopyran-7-yl ester

Base Information

Chemical Name:dimethylcarbamic acid 3-(3-aminosulfonylamino-2-fluoro-benzyl)-4-fluoromethyl-2-oxo-2H-1-benzopyran-7-yl ester
CAS No.:946127-98-6
Molecular Formula:C₂₀H₁₉F₂N₃O₆S
Molecular Weight:467.45
Hs Code.:

Synonyms:dimethylcarbamic acid 3-(3-aminosulfonylamino-2-fluoro-benzyl)-4-fluoromethyl-2-oxo-2H-1-benzopyran-7-yl ester

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Chemical Property of dimethylcarbamic acid 3-(3-aminosulfonylamino-2-fluoro-benzyl)-4-fluoromethyl-2-oxo-2H-1-benzopyran-7-yl ester

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Technology Process of dimethylcarbamic acid 3-(3-aminosulfonylamino-2-fluoro-benzyl)-4-fluoromethyl-2-oxo-2H-1-benzopyran-7-yl ester

There total 5 articles about dimethylcarbamic acid 3-(3-aminosulfonylamino-2-fluoro-benzyl)-4-fluoromethyl-2-oxo-2H-1-benzopyran-7-yl ester 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:

: 946126-34-7
dimethylcarbamic acid 3-(3-amino-2-fluorobenzyl)-4-fluoromethyl-2-oxo-2H-1-benzopyran-7-yl ester

: 946127-98-6
dimethylcarbamic acid 3-(3-aminosulfonylamino-2-fluoro-benzyl)-4-fluoromethyl-2-oxo-2H-1-benzopyran-7-yl ester

Guidance literature:: With pyridine; formic acid; isocyanate de chlorosulfonyle; In dichloromethane; at 0 - 20 ℃; for 8h;

Reference yield:

: 1189-71-5
isocyanate de chlorosulfonyle

: 946126-34-7
dimethylcarbamic acid 3-(3-amino-2-fluorobenzyl)-4-fluoromethyl-2-oxo-2H-1-benzopyran-7-yl ester

: 946127-98-6
dimethylcarbamic acid 3-(3-aminosulfonylamino-2-fluoro-benzyl)-4-fluoromethyl-2-oxo-2H-1-benzopyran-7-yl ester

Guidance literature:: With pyridine; formic acid; sodium bicarbonate; In dichloromethane;

Reference yield:

: 946125-93-5
dimethylcarbamic acid 2-oxo-2H-3-(2-fluoro-3-nitrobenzyl)-4-methyl-1-benzopyran-7-yl ester

: 946127-98-6
dimethylcarbamic acid 3-(3-aminosulfonylamino-2-fluoro-benzyl)-4-fluoromethyl-2-oxo-2H-1-benzopyran-7-yl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: tetrahydrofuran / 0.33 h / -78 °C

1.2: 0.67 h / 0 °C

2.1: 18-crown-6 ether; potassium fluoride / acetonitrile / 5.5 h / 20 - 60 °C

3.1: tin(II) chloride hydrate / ethyl acetate / 1.5 h / Reflux

4.1: formic acid; pyridine; isocyanate de chlorosulfonyle / dichloromethane / 3 h / 0 - 20 °C

With pyridine; potassium fluoride; formic acid; isocyanate de chlorosulfonyle; 18-crown-6 ether; tin(II) chloride hydrate; In tetrahydrofuran; dichloromethane; ethyl acetate; acetonitrile;