2-benzyloxy-1-[6-(tert-butyl-diphenyl-silanyloxy)-7-methyl-benzo[1,3]dioxol-4-yl]-ethanone

Base Information

• Chemical Name: 2-benzyloxy-1-[6-(tert-butyl-diphenyl-silanyloxy)-7-methyl-benzo[1,3]dioxol-4-yl]-ethanone
• CAS No.: 886437-85-0
• Molecular Formula: C₃₃H₃₄O₅Si
• Molecular Weight: 538.715
• Mol file: 886437-85-0.mol

Synonyms:2-benzyloxy-1-[6-(tert-butyl-diphenyl-silanyloxy)-7-methyl-benzo[1,3]dioxol-4-yl]-ethanone

Chemical Property of 2-benzyloxy-1-[6-(tert-butyl-diphenyl-silanyloxy)-7-methyl-benzo[1,3]dioxol-4-yl]-ethanone

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-benzyloxy-1-[6-(tert-butyl-diphenyl-silanyloxy)-7-methyl-benzo[1,3]dioxol-4-yl]-ethanone

There total 5 articles about 2-benzyloxy-1-[6-(tert-butyl-diphenyl-silanyloxy)-7-methyl-benzo[1,3]dioxol-4-yl]-ethanone 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: 80.0%

(7-bromo-4-methyl-benzo[1,3]dioxol-5-yloxy)-tert-butyl-diphenyl-silane (886437-84-9) + 2-(benzyloxy)-N-methoxy-N-methylacetamide (104863-68-5) → 2-benzyloxy-1-[6-(tert-butyl-diphenyl-silanyloxy)-7-methyl-benzo[1,3]dioxol-4-yl]-ethanone (886437-85-0)

Guidance literature:

(7-bromo-4-methyl-benzo[1,3]dioxol-5-yloxy)-tert-butyl-diphenyl-silane; With n-butyllithium; In tetrahydrofuran; toluene; at -78 ℃; for 0.333333h;

2-(benzyloxy)-N-methoxy-N-methylacetamide; In tetrahydrofuran; toluene; at -78 ℃; for 50h;

DOI:10.1002/anie.200503983

Reference yield:

7-bromo-4-methylbenzo[d][1,3]dioxole-5-carbaldehyde (351377-71-4) → 2-benzyloxy-1-[6-(tert-butyl-diphenyl-silanyloxy)-7-methyl-benzo[1,3]dioxol-4-yl]-ethanone (886437-85-0)

Guidance literature:

Multi-step reaction with 3 steps

1.1: m-chloroperbenzoic acid / 3 h / 25 - 64 °C

1.2: 78 percent / HCl / 12 h / 0 - 25 °C

2.1: 89 percent / triethylamine; 4-(dimethylamino)pyridine / 12 h / 25 °C

3.1: nBuLi / toluene; tetrahydrofuran / 0.33 h / -78 °C

3.2: 80 percent / toluene; tetrahydrofuran / 50 h / -78 °C

With dmap; n-butyllithium; triethylamine; 3-chloro-benzenecarboperoxoic acid; In tetrahydrofuran; toluene;

DOI:10.1002/anie.200503983

Reference yield:

7-bromo-4-methylbenzo[d][1,3]dioxol-5-ol (351379-53-8) → 2-benzyloxy-1-[6-(tert-butyl-diphenyl-silanyloxy)-7-methyl-benzo[1,3]dioxol-4-yl]-ethanone (886437-85-0)

Guidance literature:

Multi-step reaction with 2 steps

1.1: 89 percent / triethylamine; 4-(dimethylamino)pyridine / 12 h / 25 °C

2.1: nBuLi / toluene; tetrahydrofuran / 0.33 h / -78 °C

2.2: 80 percent / toluene; tetrahydrofuran / 50 h / -78 °C

With dmap; n-butyllithium; triethylamine; In tetrahydrofuran; toluene;

DOI:10.1002/anie.200503983

upstream raw materials:

(7-bromo-4-methyl-benzo[1,3]dioxol-5-yloxy)-tert-butyl-diphenyl-silane

2-(benzyloxy)-N-methoxy-N-methylacetamide

7-bromo-4-methylbenzo[d][1,3]dioxole-5-carbaldehyde

7-bromo-4-methylbenzo[d][1,3]dioxol-5-ol

Downstream raw materials:

C₄₇H₅₁Cl₃N₂O₉Si

C₄₃H₄₃Cl₃N₂O₁₁

C₄₃H₄₁Cl₃N₂O₁₁

[2-(5-allyloxy-9-benzyloxymethyl-6-hydroxy-4-methyl-6,9-dihydro-7H-[1,3]dioxolo[4,5-h]isoquinolin-8-yl)-1-(3-benzyloxy-2-hydroxymethyl-4-methoxy-5-methyl-benzyl)-2-oxo-ethyl]-methyl-carbamic acid tert-butyl ester