3-(4-fluorobenzyl)-4-methyl-2-oxo-2H-chromen-7-yl 4-methylbenzenesulfonate

Base Information

Chemical Name:3-(4-fluorobenzyl)-4-methyl-2-oxo-2H-chromen-7-yl 4-methylbenzenesulfonate
CAS No.:1428239-17-1
Molecular Formula:C₂₄H₁₉FO₅S
Molecular Weight:438.476
Hs Code.:

Synonyms:3-(4-fluorobenzyl)-4-methyl-2-oxo-2H-chromen-7-yl 4-methylbenzenesulfonate

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Chemical Property of 3-(4-fluorobenzyl)-4-methyl-2-oxo-2H-chromen-7-yl 4-methylbenzenesulfonate

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Technology Process of 3-(4-fluorobenzyl)-4-methyl-2-oxo-2H-chromen-7-yl 4-methylbenzenesulfonate

There total 3 articles about 3-(4-fluorobenzyl)-4-methyl-2-oxo-2H-chromen-7-yl 4-methylbenzenesulfonate 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: 66.0%

: 98-59-9
p-toluenesulfonyl chloride

: 548764-04-1
3-(4-fluorobenzyl)-7-hydroxy-4-methyl-2H-chromen-2-one

: 1428239-17-1
3-(4-fluorobenzyl)-4-methyl-2-oxo-2H-chromen-7-yl 4-methylbenzenesulfonate

Guidance literature:: 3-(4-fluorobenzyl)-7-hydroxy-4-methyl-2H-chromen-2-one; With sodium hydride; In N,N-dimethyl-formamide; at 20 ℃; for 0.5h; Inert atmosphere;

p-toluenesulfonyl chloride; In N,N-dimethyl-formamide; at 20 ℃; for 1h; Inert atmosphere;
DOI:10.3390/molecules18056057

Reference yield:

: 459-46-1
4-Fluorobenzyl bromide

: 1428239-17-1
3-(4-fluorobenzyl)-4-methyl-2-oxo-2H-chromen-7-yl 4-methylbenzenesulfonate

Guidance literature:: Multi-step reaction with 3 steps

1.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C / Inert atmosphere

1.2: 12 h / 0 - 60 °C / Inert atmosphere

2.1: sulfuric acid / 12 h / 20 °C

3.1: sodium hydride / N,N-dimethyl-formamide / 0.5 h / 20 °C / Inert atmosphere

3.2: 1 h / 20 °C / Inert atmosphere

With sulfuric acid; sodium hydride; In tetrahydrofuran; N,N-dimethyl-formamide; 2.1: |Pechmann Condensation;
DOI:10.3390/molecules18056057

Reference yield:

: 88023-07-8
ethyl 2-<(4-fluorophenyl)methyl>-3-oxobutanoate

: 1428239-17-1
3-(4-fluorobenzyl)-4-methyl-2-oxo-2H-chromen-7-yl 4-methylbenzenesulfonate

Guidance literature:: Multi-step reaction with 2 steps

1.1: sulfuric acid / 12 h / 20 °C

2.1: sodium hydride / N,N-dimethyl-formamide / 0.5 h / 20 °C / Inert atmosphere

2.2: 1 h / 20 °C / Inert atmosphere

With sulfuric acid; sodium hydride; In N,N-dimethyl-formamide; 1.1: |Pechmann Condensation;
DOI:10.3390/molecules18056057