7-(2-cyano-4-nitrobenzensulfonamido)-4-methyl-3-coumarinylacetic acid

Base Information

Chemical Name:7-(2-cyano-4-nitrobenzensulfonamido)-4-methyl-3-coumarinylacetic acid
CAS No.:1282033-99-1
Molecular Formula:C₁₉H₁₃N₃O₈S
Molecular Weight:443.394
Hs Code.:

Synonyms:7-(2-cyano-4-nitrobenzensulfonamido)-4-methyl-3-coumarinylacetic acid

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Chemical Property of 7-(2-cyano-4-nitrobenzensulfonamido)-4-methyl-3-coumarinylacetic acid

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Technology Process of 7-(2-cyano-4-nitrobenzensulfonamido)-4-methyl-3-coumarinylacetic acid

There total 3 articles about 7-(2-cyano-4-nitrobenzensulfonamido)-4-methyl-3-coumarinylacetic 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:

: 1202357-01-4
methyl 7-amino-4-methylcoumarin-3-acetate

: 1282033-99-1
7-(2-cyano-4-nitrobenzensulfonamido)-4-methyl-3-coumarinylacetic acid

Guidance literature:: Multi-step reaction with 2 steps

1: pyridine / dichloromethane / Cooling with ice

2: lithium hydroxide monohydrate / water; tetrahydrofuran / 3.5 h / 20 °C / Cooling with ice

With pyridine; lithium hydroxide monohydrate; In tetrahydrofuran; dichloromethane; water;

Reference yield:

: 106562-32-7
2-(7-amino-4-methyl-2-oxo-2H-chromen-3-yl)acetic acid

: 1282033-99-1
7-(2-cyano-4-nitrobenzensulfonamido)-4-methyl-3-coumarinylacetic acid

Guidance literature:: Multi-step reaction with 3 steps

1: sulfuric acid / 4 h / 120 °C

2: pyridine / dichloromethane / Cooling with ice

3: lithium hydroxide monohydrate / water; tetrahydrofuran / 3.5 h / 20 °C / Cooling with ice

With pyridine; lithium hydroxide monohydrate; sulfuric acid; In tetrahydrofuran; dichloromethane; water;

Reference yield:

: 1099632-44-6
2-cyano-4-nitrobenzenesulfonyl chloride

: 1282033-99-1
7-(2-cyano-4-nitrobenzensulfonamido)-4-methyl-3-coumarinylacetic acid

Guidance literature:: Multi-step reaction with 2 steps

1: pyridine / dichloromethane / 16 h

2: lithium hydroxide monohydrate / tetrahydrofuran; water / 3.5 h / 0 - 20 °C

With pyridine; lithium hydroxide monohydrate; In tetrahydrofuran; dichloromethane; water;
DOI:10.1021/ja404743m