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

Base Information

• Chemical Name: 5-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-propylidene]-2,2-dimethyl-[1,3]dioxane-4,6-dione
• CAS No.: 121643-99-0
• Molecular Formula: C₂₅H₃₀O₅Si
• Molecular Weight: 438.596

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

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

There total 1 articles about 5-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-propylidene]-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:

cycl-isopropylidene malonate (2033-24-1) + (2R)-2-(tert-butyldiphenylsiloxy)propanal (167468-64-6) → 5-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-propylidene]-2,2-dimethyl-[1,3]dioxane-4,6-dione (121643-99-0)

Guidance literature:

Yield given;

DOI:10.1039/c39890000031

Reference yield: 62.0%

methyllithium (917-54-4) + 5-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-propylidene]-2,2-dimethyl-[1,3]dioxane-4,6-dione (121643-99-0) → 5-[(1S,2R)-2-(tert-Butyl-diphenyl-silanyloxy)-1-methyl-propyl]-2,2-dimethyl-[1,3]dioxane-4,6-dione (121644-15-3) + 5-[(1R,2R)-2-(tert-Butyl-diphenyl-silanyloxy)-1-ethyl-propyl]-2,2-dimethyl-[1,3]dioxane-4,6-dione

Guidance literature:

With (1,4,7,10-tetraoxacyclododecane); In diethyl ether; at -70 ℃; for 5h;

DOI:10.1039/c39890000031

Reference yield: 47.0%

n-butyllithium (109-72-8,29786-93-4) + 5-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-propylidene]-2,2-dimethyl-[1,3]dioxane-4,6-dione (121643-99-0) → 5-{(S)-1-[(R)-1-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-pentyl}-2,2-dimethyl-[1,3]dioxane-4,6-dione (121644-18-6)

Guidance literature:

In diethyl ether; at -70 ℃; for 5h;

DOI:10.1039/c39890000031

upstream raw materials:

cycl-isopropylidene malonate

(2R)-2-(tert-butyldiphenylsiloxy)propanal

Downstream raw materials:

5-{(S)-1-[(R)-1-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-pentyl}-2,2-dimethyl-[1,3]dioxane-4,6-dione

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

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

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