2-(2-Benzo[1,3]dioxol-5-yl-[1,3]dioxolan-2-yl)-1-[8-(tert-butyl-diphenyl-silanyloxy)-5-methoxy-2,2-dimethyl-2H-chromen-6-yl]-ethanone

Base Information

Chemical Name:2-(2-Benzo[1,3]dioxol-5-yl-[1,3]dioxolan-2-yl)-1-[8-(tert-butyl-diphenyl-silanyloxy)-5-methoxy-2,2-dimethyl-2H-chromen-6-yl]-ethanone
CAS No.:191678-11-2
Molecular Formula:C₄₀H₄₂O₈Si
Molecular Weight:678.854
Hs Code.:

Synonyms:2-(2-Benzo[1,3]dioxol-5-yl-[1,3]dioxolan-2-yl)-1-[8-(tert-butyl-diphenyl-silanyloxy)-5-methoxy-2,2-dimethyl-2H-chromen-6-yl]-ethanone

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Chemical Property of 2-(2-Benzo[1,3]dioxol-5-yl-[1,3]dioxolan-2-yl)-1-[8-(tert-butyl-diphenyl-silanyloxy)-5-methoxy-2,2-dimethyl-2H-chromen-6-yl]-ethanone

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Technology Process of 2-(2-Benzo[1,3]dioxol-5-yl-[1,3]dioxolan-2-yl)-1-[8-(tert-butyl-diphenyl-silanyloxy)-5-methoxy-2,2-dimethyl-2H-chromen-6-yl]-ethanone

There total 16 articles about 2-(2-Benzo[1,3]dioxol-5-yl-[1,3]dioxolan-2-yl)-1-[8-(tert-butyl-diphenyl-silanyloxy)-5-methoxy-2,2-dimethyl-2H-chromen-6-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: 83.0%

: 191678-09-8
2-(2-Benzo[1,3]dioxol-5-yl-[1,3]dioxolan-2-yl)-1-[8-(tert-butyl-diphenyl-silanyloxy)-5-methoxy-2,2-dimethyl-2H-chromen-6-yl]-ethanol

: 191678-11-2
2-(2-Benzo[1,3]dioxol-5-yl-[1,3]dioxolan-2-yl)-1-[8-(tert-butyl-diphenyl-silanyloxy)-5-methoxy-2,2-dimethyl-2H-chromen-6-yl]-ethanone

Guidance literature:: With tetrapropylammonium perruthennate; 4 A molecular sieve; 4-methylmorpholine N-oxide; In dichloromethane; at 25 ℃;
DOI:10.1016/S0040-4039(97)00927-1

Reference yield:

: 672-13-9
2-hydroxy-5-methoxybenzaldehyde

: 191678-11-2
2-(2-Benzo[1,3]dioxol-5-yl-[1,3]dioxolan-2-yl)-1-[8-(tert-butyl-diphenyl-silanyloxy)-5-methoxy-2,2-dimethyl-2H-chromen-6-yl]-ethanone

Guidance literature:: Multi-step reaction with 8 steps

1: 90 percent / imidazole / tetrahydrofuran / 25 °C

2: 93 percent / m-CPBA / ethyl acetate / 25 °C

3: 61 percent / NaH / tetrahydrofuran / 25 °C

4: 75 percent / t-BuLi / tetrahydrofuran / 25 °C

5: 84 percent / concd. HCl / methanol / 0 °C

6: 63 percent / DDQ / benzene / Heating

7: 1.) t-BuOK/BuLi; 2.) BuLi / 1.) THF, -78 deg C; 2.) THF, -78 deg C

8: 83 percent / Pr₄NRuO₄, 4-methylmorpholine N-oxide, 4 A molecular sieve / CH₂Cl₂ / 25 °C

With 1H-imidazole; hydrogenchloride; n-butyllithium; tetrapropylammonium perruthennate; 4 A molecular sieve; potassium tert-butylate; tert.-butyl lithium; sodium hydride; 4-methylmorpholine N-oxide; 3-chloro-benzenecarboperoxoic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In tetrahydrofuran; methanol; dichloromethane; ethyl acetate; benzene;
DOI:10.1016/S0040-4039(97)00927-1

Reference yield:

: 120-57-0,30024-74-9
piperonal

: 191678-11-2
2-(2-Benzo[1,3]dioxol-5-yl-[1,3]dioxolan-2-yl)-1-[8-(tert-butyl-diphenyl-silanyloxy)-5-methoxy-2,2-dimethyl-2H-chromen-6-yl]-ethanone

Guidance literature:: Multi-step reaction with 7 steps

1: 86 percent / tetrahydrofuran / -78 °C

2: 60 percent / PCC / CH₂Cl₂ / 25 °C

3: 43 percent / p-TsOH / benzene / Heating

4: 73 percent / LiAlH₄ / diethyl ether / 25 °C

5: 58 percent / PCC / CH₂Cl₂ / 25 °C

6: 1.) t-BuOK/BuLi; 2.) BuLi / 1.) THF, -78 deg C; 2.) THF, -78 deg C

7: 83 percent / Pr₄NRuO₄, 4-methylmorpholine N-oxide, 4 A molecular sieve / CH₂Cl₂ / 25 °C

With lithium aluminium tetrahydride; n-butyllithium; tetrapropylammonium perruthennate; 4 A molecular sieve; potassium tert-butylate; toluene-4-sulfonic acid; 4-methylmorpholine N-oxide; pyridinium chlorochromate; In tetrahydrofuran; diethyl ether; dichloromethane; benzene;
DOI:10.1016/S0040-4039(97)00927-1