2,4,6-Trimethyl-benzoic acid (2E,6E)-8-bromo-3,7-dimethyl-octa-2,6-dienyl ester

Base Information

• Chemical Name: 2,4,6-Trimethyl-benzoic acid (2E,6E)-8-bromo-3,7-dimethyl-octa-2,6-dienyl ester
• CAS No.: 79421-81-1
• Molecular Formula: C₂₀H₂₇BrO₂
• Molecular Weight: 379.337

Synonyms:2,4,6-Trimethyl-benzoic acid (2E,6E)-8-bromo-3,7-dimethyl-octa-2,6-dienyl ester

Chemical Property of 2,4,6-Trimethyl-benzoic acid (2E,6E)-8-bromo-3,7-dimethyl-octa-2,6-dienyl ester

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Technology Process of 2,4,6-Trimethyl-benzoic acid (2E,6E)-8-bromo-3,7-dimethyl-octa-2,6-dienyl ester

There total 2 articles about 2,4,6-Trimethyl-benzoic acid (2E,6E)-8-bromo-3,7-dimethyl-octa-2,6-dienyl 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:

2,4,6-Trimethyl-benzoic acid (2E,6E)-8-hydroxy-3,7-dimethyl-octa-2,6-dienyl ester (79421-80-0) → 2,4,6-Trimethyl-benzoic acid (2E,6E)-8-bromo-3,7-dimethyl-octa-2,6-dienyl ester (79421-81-1)

Guidance literature:

With phosphorus tribromide; In diethyl ether; at 0 ℃; for 4h;

DOI:10.1016/0031-9422(81)85150-3

Reference yield:

geranyl mesitoate (1674-04-0) → 2,4,6-Trimethyl-benzoic acid (2E,6E)-8-bromo-3,7-dimethyl-octa-2,6-dienyl ester (79421-81-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 30 percent / SeO₂, salicylic acid, 90 percent t-butylhydroperoxide / CH₂Cl₂ / 27 h / Ambient temperature

2: PBr₃ / diethyl ether / 4 h / 0 °C

With tert.-butylhydroperoxide; selenium(IV) oxide; phosphorus tribromide; salicylic acid; In diethyl ether; dichloromethane;

DOI:10.1016/0031-9422(81)85150-3

Reference yield: 86.0%

2-(2-methylprop-1-en-1-yl)-1,3-dithiane (19860-69-6) + 2,4,6-Trimethyl-benzoic acid (2E,6E)-8-bromo-3,7-dimethyl-octa-2,6-dienyl ester (79421-81-1) → 2,4,6-Trimethyl-benzoic acid (2E,6E)-3,7-dimethyl-8-[2-(2-methyl-propenyl)-[1,3]dithian-2-yl]-octa-2,6-dienyl ester (79421-82-2)

Guidance literature:

With n-butyllithium; In tetrahydrofuran; -78 deg C, 2 h, then -15 deg C;

DOI:10.1016/0031-9422(81)85150-3

upstream raw materials:

2,4,6-Trimethyl-benzoic acid (2E,6E)-8-hydroxy-3,7-dimethyl-octa-2,6-dienyl ester

geranyl mesitoate

Downstream raw materials:

2,4,6-Trimethyl-benzoic acid (2E,6E)-3,7-dimethyl-8-[2-(2-methyl-propenyl)-[1,3]dithian-2-yl]-octa-2,6-dienyl ester

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