(S)-5-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-pent-2-ynoic acid ethyl ester

Base Information

Chemical Name:(S)-5-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-pent-2-ynoic acid ethyl ester
CAS No.:178060-95-2
Molecular Formula:C₂₈H₃₆O₅Si
Molecular Weight:480.676
Hs Code.:

Synonyms:(S)-5-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-pent-2-ynoic acid ethyl ester

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Chemical Property of (S)-5-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-pent-2-ynoic acid ethyl ester

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Technology Process of (S)-5-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-pent-2-ynoic acid ethyl ester

There total 5 articles about (S)-5-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-pent-2-ynoic acid ethyl ester 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: 88.2%

: 541-41-3
chloroformic acid ethyl ester

: 178060-94-1
tert-Butyl-[(S)-1-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-but-3-ynyloxy]-diphenyl-silane

: 178060-95-2
(S)-5-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-pent-2-ynoic acid ethyl ester

Guidance literature:: With n-butyllithium; In tetrahydrofuran; hexane; 1.) -70 deg C, 2 h, 2.) -70 deg C, 3 h; -70 deg C to r.t.;
DOI:10.1039/p19960001057

Reference yield:

: 178060-93-0
Acetic acid (S)-1-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-but-3-ynyl ester

: 178060-95-2
(S)-5-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-pent-2-ynoic acid ethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 100 percent / K₂CO₃, MeOH / 1 h / Ambient temperature

2: 83.6 percent / imidazole / dimethylformamide / 30 h / Ambient temperature

3: 88.2 percent / n-BuLi / tetrahydrofuran; hexane / 1.) -70 deg C, 2 h, 2.) -70 deg C, 3 h; -70 deg C to r.t.

With 1H-imidazole; methanol; n-butyllithium; potassium carbonate; In tetrahydrofuran; hexane; N,N-dimethyl-formamide;
DOI:10.1039/p19960001057

Reference yield:

: 58479-61-1
tert-butylchlorodiphenylsilane

: 178060-95-2
(S)-5-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-pent-2-ynoic acid ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 83.6 percent / imidazole / dimethylformamide / 30 h / Ambient temperature

2: 88.2 percent / n-BuLi / tetrahydrofuran; hexane / 1.) -70 deg C, 2 h, 2.) -70 deg C, 3 h; -70 deg C to r.t.

With 1H-imidazole; n-butyllithium; In tetrahydrofuran; hexane; N,N-dimethyl-formamide;
DOI:10.1039/p19960001057