2-(trimethylsilyl)ethyl 3-(2-bromo-6-methoxy-4-methylphenyl)-8-methoxy-1,4-naphthoquinone-2-carboxylate

Base Information

Chemical Name:2-(trimethylsilyl)ethyl 3-(2-bromo-6-methoxy-4-methylphenyl)-8-methoxy-1,4-naphthoquinone-2-carboxylate
CAS No.:133129-31-4
Molecular Formula:C₂₅H₂₇BrO₆Si
Molecular Weight:531.475
Hs Code.:

Synonyms:2-(trimethylsilyl)ethyl 3-(2-bromo-6-methoxy-4-methylphenyl)-8-methoxy-1,4-naphthoquinone-2-carboxylate

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Chemical Property of 2-(trimethylsilyl)ethyl 3-(2-bromo-6-methoxy-4-methylphenyl)-8-methoxy-1,4-naphthoquinone-2-carboxylate

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Technology Process of 2-(trimethylsilyl)ethyl 3-(2-bromo-6-methoxy-4-methylphenyl)-8-methoxy-1,4-naphthoquinone-2-carboxylate

There total 4 articles about 2-(trimethylsilyl)ethyl 3-(2-bromo-6-methoxy-4-methylphenyl)-8-methoxy-1,4-naphthoquinone-2-carboxylate 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:

: 2916-68-9
2-(Trimethylsilyl)ethanol

: 133129-31-4
2-(trimethylsilyl)ethyl 3-(2-bromo-6-methoxy-4-methylphenyl)-8-methoxy-1,4-naphthoquinone-2-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: 72 percent / BuLi / tetrahydrofuran; hexane / 2 h / Heating

2: 93 percent / K₂CO₃ / acetone / 2 h / Heating

3: 1.) LDA, 2.) O₂ / 1a.) THF, hexane, -78, 1 h, 1b.) r. t., 48 h, 2.) 3 h

With n-butyllithium; oxygen; potassium carbonate; lithium diisopropyl amide; In tetrahydrofuran; hexane; acetone;
DOI:10.1021/jo00036a005

Reference yield:

: 139976-22-0
2-(trimethylsilyl)ethyl 2-bromo-4-methyl-6-hydroxycinnamate

: 133129-31-4
2-(trimethylsilyl)ethyl 3-(2-bromo-6-methoxy-4-methylphenyl)-8-methoxy-1,4-naphthoquinone-2-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: 93 percent / K₂CO₃ / acetone / 2 h / Heating

2: 1.) LDA, 2.) O₂ / 1a.) THF, hexane, -78, 1 h, 1b.) r. t., 48 h, 2.) 3 h

With oxygen; potassium carbonate; lithium diisopropyl amide; In acetone;
DOI:10.1021/jo00036a005

Reference yield:

: 81060-27-7
3-cyano-7-methoxyphthalide

: 139976-16-2
2-(trimethylsilyl)ethyl 3-(2-bromo-6-methoxy-4-methyl) cinnamate

: 133129-31-4
2-(trimethylsilyl)ethyl 3-(2-bromo-6-methoxy-4-methylphenyl)-8-methoxy-1,4-naphthoquinone-2-carboxylate

Guidance literature:: With oxygen; lithium diisopropyl amide; Yield given. Multistep reaction; 1a.) THF, hexane, -78, 1 h, 1b.) r. t., 48 h, 2.) 3 h;
DOI:10.1021/jo00036a005