(2E,4E)-5-{(4R,6S)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-penta-2,4-dien-1-ol

Base Information

Chemical Name:(2E,4E)-5-{(4R,6S)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-penta-2,4-dien-1-ol
CAS No.:863921-89-5
Molecular Formula:C₂₉H₄₀O₄Si
Molecular Weight:480.72
Hs Code.:

Synonyms:(2E,4E)-5-{(4R,6S)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-penta-2,4-dien-1-ol

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Chemical Property of (2E,4E)-5-{(4R,6S)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-penta-2,4-dien-1-ol

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Technology Process of (2E,4E)-5-{(4R,6S)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-penta-2,4-dien-1-ol

There total 7 articles about (2E,4E)-5-{(4R,6S)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-penta-2,4-dien-1-ol 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: 92.0%

: (2E,4E)-5-{(4R,6S)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-penta-2,4-dienoic acid ethyl ester

: 863921-89-5
(2E,4E)-5-{(4R,6S)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-penta-2,4-dien-1-ol

Guidance literature:: With diisobutylaluminium hydride; In dichloromethane; at -78 ℃; for 1h;
DOI:10.1246/cl.2005.906

Reference yield:

: 863921-70-4
(4R,6S)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxane-4-carbaldehyde

: 863921-89-5
(2E,4E)-5-{(4R,6S)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-penta-2,4-dien-1-ol

Guidance literature:: Multi-step reaction with 2 steps

1: LiOH; 4 A MS / tetrahydrofuran / 10 h / Heating

2: 92 percent / DIBAL-H / CH₂Cl₂ / 1 h / -78 °C

With lithium hydroxide; diisobutylaluminium hydride; In tetrahydrofuran; dichloromethane; 1: Takacs modified Horner-Emmons reaction;
DOI:10.1246/cl.2005.906

Reference yield:

: 863921-87-3
{(4R,6S)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-methanol

: 863921-89-5
(2E,4E)-5-{(4R,6S)-6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-penta-2,4-dien-1-ol

Guidance literature:: Multi-step reaction with 3 steps

1: (COCl)2; DMSO; Et₃N / CH₂Cl₂ / -78 - 0 °C

2: LiOH; 4 A MS / tetrahydrofuran / 10 h / Heating

3: 92 percent / DIBAL-H / CH₂Cl₂ / 1 h / -78 °C

With lithium hydroxide; oxalyl dichloride; diisobutylaluminium hydride; dimethyl sulfoxide; triethylamine; In tetrahydrofuran; dichloromethane; 1: Swern oxidation / 2: Takacs modified Horner-Emmons reaction;
DOI:10.1246/cl.2005.906