(+/-)-2,3,4,5-Tetrahydro-7-methoxy-2,3,3,9-tetramethylnaphtho<1,2-b>furan-4,5-dione <(+/-)-Trypethelone Methyl Ether>

Base Information

• Chemical Name: (+/-)-2,3,4,5-Tetrahydro-7-methoxy-2,3,3,9-tetramethylnaphtho<1,2-b>furan-4,5-dione <(+/-)-Trypethelone Methyl Ether>
• CAS No.: 89887-34-3
• Molecular Formula: C₁₇H₁₈O₄
• Molecular Weight: 286.328

Synonyms:

Chemical Property of (+/-)-2,3,4,5-Tetrahydro-7-methoxy-2,3,3,9-tetramethylnaphtho<1,2-b>furan-4,5-dione <(+/-)-Trypethelone Methyl Ether>

Chemical Property:

Purity/Quality:

98% ^*data from raw suppliers

Safty Information:

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Useful:

Technology Process of (+/-)-2,3,4,5-Tetrahydro-7-methoxy-2,3,3,9-tetramethylnaphtho<1,2-b>furan-4,5-dione <(+/-)-Trypethelone Methyl Ether>

There total 6 articles about (+/-)-2,3,4,5-Tetrahydro-7-methoxy-2,3,3,9-tetramethylnaphtho<1,2-b>furan-4,5-dione <(+/-)-Trypethelone Methyl Ether> 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:

2,7-dimethoxy-5-methyl-1,4-naphthaquinone (41634-17-7) → (+/-)-2,3,4,5-Tetrahydro-7-methoxy-2,3,3,9-tetramethylnaphtho<1,2-b>furan-4,5-dione <(+/-)-Trypethelone Methyl Ether> (89887-34-3,74513-55-6)

Guidance literature:

Multi-step reaction with 2 steps

1: 99 percent / 1.5percent aq.NaOH / 1 h / 100 °C

With sodium hydroxide;

DOI:10.1021/jo00185a002

Reference yield:

2-hydroxy-7-methoxy-5-methyl-1,4-naphthoquinone (78239-27-7) → (+/-)-2,3,4,5-Tetrahydro-7-methoxy-2,3,3,9-tetramethylnaphtho<1,2-b>furan-4,5-dione <(+/-)-Trypethelone Methyl Ether> (89887-34-3,74513-55-6)

Guidance literature:

Multi-step reaction with 2 steps

1: 88 percent / H₂SO₄

sulfuric acid;

DOI:10.1021/jo00185a002

Reference yield:

diazomethane (186581-53-3,908094-01-9,334-88-3) + Trypethelone (89887-33-2,74513-59-0) → (+/-)-2,3,4,5-Tetrahydro-7-methoxy-2,3,3,9-tetramethylnaphtho<1,2-b>furan-4,5-dione <(+/-)-Trypethelone Methyl Ether> (89887-34-3,74513-55-6)

Guidance literature:

In diethyl ether;

DOI:10.1002/jlac.198019800517

upstream raw materials:

diazomethane

Trypethelone

trans-1-bromo-3-methylbuta-1,3-diene

2,7-dimethoxy-5-methyl-1,4-naphthaquinone

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