Methanesulfonic acid 4-benzyloxy-3-[2-bromo-3-(tert-butyl-dimethyl-silanyloxy)-5,6-dimethoxy-4-methyl-phenyl]-1-vinyl-butyl ester

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Chemical Name:Methanesulfonic acid 4-benzyloxy-3-[2-bromo-3-(tert-butyl-dimethyl-silanyloxy)-5,6-dimethoxy-4-methyl-phenyl]-1-vinyl-butyl ester
CAS No.:88088-66-8
Molecular Formula:C₂₉H₄₃BrO₇SSi
Molecular Weight:643.712
Hs Code.:

Synonyms:Methanesulfonic acid 4-benzyloxy-3-[2-bromo-3-(tert-butyl-dimethyl-silanyloxy)-5,6-dimethoxy-4-methyl-phenyl]-1-vinyl-butyl ester

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Chemical Property of Methanesulfonic acid 4-benzyloxy-3-[2-bromo-3-(tert-butyl-dimethyl-silanyloxy)-5,6-dimethoxy-4-methyl-phenyl]-1-vinyl-butyl ester

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Technology Process of Methanesulfonic acid 4-benzyloxy-3-[2-bromo-3-(tert-butyl-dimethyl-silanyloxy)-5,6-dimethoxy-4-methyl-phenyl]-1-vinyl-butyl ester

There total 11 articles about Methanesulfonic acid 4-benzyloxy-3-[2-bromo-3-(tert-butyl-dimethyl-silanyloxy)-5,6-dimethoxy-4-methyl-phenyl]-1-vinyl-butyl 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:

: 2568-24-3
2-phenyl-4,7-dihydro-1,3-dioxepine

: 88088-66-8
Methanesulfonic acid 4-benzyloxy-3-[2-bromo-3-(tert-butyl-dimethyl-silanyloxy)-5,6-dimethoxy-4-methyl-phenyl]-1-vinyl-butyl ester

Guidance literature:: Multi-step reaction with 10 steps

1: 100 percent / LiAlH₄

2: 95.6 percent / PBr₃

3: 88 percent / K₂CO₃ / acetone / Heating

4: 84 percent / N,N-dimethylaniline / 200 °C

5: K₂CO₃ / acetone

6: 1.) KOH; 2.) imidazole / 1.) MeOH, 0 deg C; 2.) DMF

7: 1.) BH₃*SMe₂; 2.) 30 percent H₂O₂, NaOH / 1.) Et₂O, 0 deg C; 2.) EtOH

8: pyridinium chlorochromate / CH₂Cl₂

9: tetrahydrofuran / 0 °C

10: Et₃N / 1 h / 0 °C

With 1H-imidazole; potassium hydroxide; sodium hydroxide; lithium aluminium tetrahydride; dimethylsulfide borane complex; dihydrogen peroxide; phosphorus tribromide; potassium carbonate; N,N-dimethyl-aniline; triethylamine; pyridinium chlorochromate; In tetrahydrofuran; dichloromethane; acetone;
DOI:10.1246/cl.1983.1383

Reference yield:

: 6971-52-4
3-methoxy-2-methylphenol

: 88088-66-8
Methanesulfonic acid 4-benzyloxy-3-[2-bromo-3-(tert-butyl-dimethyl-silanyloxy)-5,6-dimethoxy-4-methyl-phenyl]-1-vinyl-butyl ester

Guidance literature:: Multi-step reaction with 9 steps

1: Cl₂CHOCH₃

2: 88 percent / K₂CO₃ / acetone / Heating

3: 84 percent / N,N-dimethylaniline / 200 °C

4: K₂CO₃ / acetone

5: 1.) KOH; 2.) imidazole / 1.) MeOH, 0 deg C; 2.) DMF

6: 1.) BH₃*SMe₂; 2.) 30 percent H₂O₂, NaOH / 1.) Et₂O, 0 deg C; 2.) EtOH

7: pyridinium chlorochromate / CH₂Cl₂

8: tetrahydrofuran / 0 °C

9: Et₃N / 1 h / 0 °C

With 1H-imidazole; potassium hydroxide; sodium hydroxide; Dichloromethyl methyl ether; dimethylsulfide borane complex; dihydrogen peroxide; potassium carbonate; N,N-dimethyl-aniline; triethylamine; pyridinium chlorochromate; In tetrahydrofuran; dichloromethane; acetone;
DOI:10.1246/cl.1983.1383

Reference yield:

: 81028-03-7
(Z)-4-benzyloxy-but-2-en-1-ol

: 88088-66-8
Methanesulfonic acid 4-benzyloxy-3-[2-bromo-3-(tert-butyl-dimethyl-silanyloxy)-5,6-dimethoxy-4-methyl-phenyl]-1-vinyl-butyl ester

Guidance literature:: Multi-step reaction with 9 steps

1: 95.6 percent / PBr₃

2: 88 percent / K₂CO₃ / acetone / Heating

3: 84 percent / N,N-dimethylaniline / 200 °C

4: K₂CO₃ / acetone

5: 1.) KOH; 2.) imidazole / 1.) MeOH, 0 deg C; 2.) DMF

6: 1.) BH₃*SMe₂; 2.) 30 percent H₂O₂, NaOH / 1.) Et₂O, 0 deg C; 2.) EtOH

7: pyridinium chlorochromate / CH₂Cl₂

8: tetrahydrofuran / 0 °C

9: Et₃N / 1 h / 0 °C

With 1H-imidazole; potassium hydroxide; sodium hydroxide; dimethylsulfide borane complex; dihydrogen peroxide; phosphorus tribromide; potassium carbonate; N,N-dimethyl-aniline; triethylamine; pyridinium chlorochromate; In tetrahydrofuran; dichloromethane; acetone;
DOI:10.1246/cl.1983.1383