(+/-)-(E)-7-(tert-butyldiphenylsilyloxy)-3-(2,2,2-trimethyl-1,1-diphenyldisilyloxy)hept-4-enyl pivalate

Base Information

Chemical Name:(+/-)-(E)-7-(tert-butyldiphenylsilyloxy)-3-(2,2,2-trimethyl-1,1-diphenyldisilyloxy)hept-4-enyl pivalate
CAS No.:913975-70-9
Molecular Formula:C₄₃H₅₈O₄Si₃
Molecular Weight:723.188
Hs Code.:

Synonyms:(+/-)-(E)-7-(tert-butyldiphenylsilyloxy)-3-(2,2,2-trimethyl-1,1-diphenyldisilyloxy)hept-4-enyl pivalate

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Chemical Property of (+/-)-(E)-7-(tert-butyldiphenylsilyloxy)-3-(2,2,2-trimethyl-1,1-diphenyldisilyloxy)hept-4-enyl pivalate

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Technology Process of (+/-)-(E)-7-(tert-butyldiphenylsilyloxy)-3-(2,2,2-trimethyl-1,1-diphenyldisilyloxy)hept-4-enyl pivalate

There total 4 articles about (+/-)-(E)-7-(tert-butyldiphenylsilyloxy)-3-(2,2,2-trimethyl-1,1-diphenyldisilyloxy)hept-4-enyl pivalate 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%

: 913975-65-2
(+/-)-(E)-7-(tert-butyldiphenylsilyloxy)-3-hydroxyhept-4-enyl pivalate

: 61211-96-9
1-chloro-1,1-diphenyl-2,2,2-trimethyldisilane

: 913975-70-9
(+/-)-(E)-7-(tert-butyldiphenylsilyloxy)-3-(2,2,2-trimethyl-1,1-diphenyldisilyloxy)hept-4-enyl pivalate

Guidance literature:: With dmap; triethylamine; In tetrahydrofuran; at 20 ℃; for 16h;
DOI:10.1021/ja063411+

Reference yield:

: 3282-30-2
pivaloyl chloride

: 913975-70-9
(+/-)-(E)-7-(tert-butyldiphenylsilyloxy)-3-(2,2,2-trimethyl-1,1-diphenyldisilyloxy)hept-4-enyl pivalate

Guidance literature:: Multi-step reaction with 4 steps

1.1: 98 percent / triethylamine / CH₂Cl₂

2.1: ozone / CH₂Cl₂ / 2 h / -78 °C

2.2: 97 percent / dimethyl sulfide / CH₂Cl₂ / 16 h / 20 °C

3.1: bis(cyclopentadienyl)zirconium chloride hydride / CH₂Cl₂ / 0 - 20 °C

3.2: diethylzinc / petroleum ether; CH₂Cl₂ / 0.92 h / -60 °C

3.3: 75 percent / petroleum ether; CH₂Cl₂ / 6 h / 0 °C

4.1: 83 percent / triethylamine; 4-(dimethylamino)pyridine / tetrahydrofuran / 16 h / 20 °C

With dmap; Schwartz's reagent; ozone; triethylamine; In tetrahydrofuran; dichloromethane;
DOI:10.1021/ja063411+

Reference yield:

: 163557-21-9
4-trimethylacetoxybut-1-ene

: 913975-70-9
(+/-)-(E)-7-(tert-butyldiphenylsilyloxy)-3-(2,2,2-trimethyl-1,1-diphenyldisilyloxy)hept-4-enyl pivalate

Guidance literature:: Multi-step reaction with 3 steps

1.1: ozone / CH₂Cl₂ / 2 h / -78 °C

1.2: 97 percent / dimethyl sulfide / CH₂Cl₂ / 16 h / 20 °C

2.1: bis(cyclopentadienyl)zirconium chloride hydride / CH₂Cl₂ / 0 - 20 °C

2.2: diethylzinc / petroleum ether; CH₂Cl₂ / 0.92 h / -60 °C

2.3: 75 percent / petroleum ether; CH₂Cl₂ / 6 h / 0 °C

3.1: 83 percent / triethylamine; 4-(dimethylamino)pyridine / tetrahydrofuran / 16 h / 20 °C

With dmap; Schwartz's reagent; ozone; triethylamine; In tetrahydrofuran; dichloromethane;
DOI:10.1021/ja063411+