5-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-5-methyl-hex-4-enylidene]-2,2-dimethyl-[1,3]dioxane-4,6-dione

Base Information

• Chemical Name: 5-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-5-methyl-hex-4-enylidene]-2,2-dimethyl-[1,3]dioxane-4,6-dione
• CAS No.: 121644-02-8
• Molecular Formula: C₂₉H₃₆O₅Si
• Molecular Weight: 492.687

Synonyms:5-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-5-methyl-hex-4-enylidene]-2,2-dimethyl-[1,3]dioxane-4,6-dione

Chemical Property of 5-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-5-methyl-hex-4-enylidene]-2,2-dimethyl-[1,3]dioxane-4,6-dione

Chemical Property:

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Technology Process of 5-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-5-methyl-hex-4-enylidene]-2,2-dimethyl-[1,3]dioxane-4,6-dione

There total 4 articles about 5-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-5-methyl-hex-4-enylidene]-2,2-dimethyl-[1,3]dioxane-4,6-dione 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: 84.0%

cycl-isopropylidene malonate (2033-24-1) + (R)-2-(tert-Butyl-diphenyl-silanyloxy)-5-methyl-hex-4-enal (121644-21-1) → 5-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-5-methyl-hex-4-enylidene]-2,2-dimethyl-[1,3]dioxane-4,6-dione (121644-02-8)

Guidance literature:

With piperdinium acetate; In benzene; at 5 ℃; for 1h;

DOI:10.1039/c39890000031

Reference yield:

(R)-(-)-hydroxy-2 methyl-5 hexene-4 oate d'ethyle (110994-92-8) → 5-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-5-methyl-hex-4-enylidene]-2,2-dimethyl-[1,3]dioxane-4,6-dione (121644-02-8)

Guidance literature:

Multi-step reaction with 3 steps

1: imidazole / dimethylformamide

2: iBu₂AlH / hexane / 4 h / -78 °C

3: 84 percent / piperidium acetate / benzene / 1 h / 5 °C

With 1H-imidazole; piperdinium acetate; diisobutylaluminium hydride; In hexane; N,N-dimethyl-formamide; benzene;

DOI:10.1039/c39890000031

Reference yield:

tert-butylchlorodiphenylsilane (58479-61-1) → 5-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-5-methyl-hex-4-enylidene]-2,2-dimethyl-[1,3]dioxane-4,6-dione (121644-02-8)

Guidance literature:

Multi-step reaction with 3 steps

1: imidazole / dimethylformamide

2: iBu₂AlH / hexane / 4 h / -78 °C

3: 84 percent / piperidium acetate / benzene / 1 h / 5 °C

With 1H-imidazole; piperdinium acetate; diisobutylaluminium hydride; In hexane; N,N-dimethyl-formamide; benzene;

DOI:10.1039/c39890000031

upstream raw materials:

cycl-isopropylidene malonate

(R)-2-(tert-Butyl-diphenyl-silanyloxy)-5-methyl-hex-4-enal

(R)-(-)-hydroxy-2 methyl-5 hexene-4 oate d'ethyle

tert-butylchlorodiphenylsilane

Downstream raw materials:

5-[(1S,2R)-2-(tert-Butyl-diphenyl-silanyloxy)-1,5-dimethyl-hex-4-enyl]-2,2-dimethyl-[1,3]dioxane-4,6-dione

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