2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-2,3-dihydro-5,7-dimethoxy-1,4-benzoxathiin

Base Information

• Chemical Name: 2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-2,3-dihydro-5,7-dimethoxy-1,4-benzoxathiin
• CAS No.: 865541-48-6
• Molecular Formula: C₂₈H₄₄O₅SSi₂
• Molecular Weight: 548.891

Synonyms:2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-2,3-dihydro-5,7-dimethoxy-1,4-benzoxathiin

Chemical Property of 2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-2,3-dihydro-5,7-dimethoxy-1,4-benzoxathiin

Chemical Property:

Purity/Quality:

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Technology Process of 2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-2,3-dihydro-5,7-dimethoxy-1,4-benzoxathiin

There total 2 articles about 2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-2,3-dihydro-5,7-dimethoxy-1,4-benzoxathiin 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: 29.0%

2-(2-hydroxy-4,6-dimethoxy-phenylsulfanyl)-isoindole-1,3-dione (342646-87-1) + 1,2-bis-(tert-butyldimethylsilanyloxy)-4-vinylbenzene (342646-89-3) → 2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-2,3-dihydro-5,7-dimethoxy-1,4-benzoxathiin (865541-48-6)

Guidance literature:

With triethylamine; In chloroform; at 60 ℃;

DOI:10.1039/b507496g

Reference yield:

3,5-dimethoxyphenol (500-99-2) → 2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-2,3-dihydro-5,7-dimethoxy-1,4-benzoxathiin (865541-48-6)

Guidance literature:

Multi-step reaction with 2 steps

1: CHCl₃ / 20 °C

2: 29 percent / Et₃N / CHCl₃ / 60 °C

With triethylamine; In chloroform; 2: hetero Diels-Alder reaction;

DOI:10.1039/b507496g

Reference yield: 90.0%

2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-2,3-dihydro-5,7-dimethoxy-1,4-benzoxathiin (865541-48-6) → 2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-2,3-dihydro-5,7-dimethoxy-1,4-benzoxathiin 4,4-dioxide (865541-55-5)

Guidance literature:

With 3-chloro-benzenecarboperoxoic acid; In dichloromethane; at 20 ℃;

DOI:10.1039/b507496g

upstream raw materials:

2-(2-hydroxy-4,6-dimethoxy-phenylsulfanyl)-isoindole-1,3-dione

1,2-bis-(tert-butyldimethylsilanyloxy)-4-vinylbenzene

3,5-dimethoxyphenol

Downstream raw materials:

2-[3,4-bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-2,3-dihydro-5,7-dimethoxy-1,4-benzoxathiin 4,4-dioxide

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