(4R,5R)-tert-butyl 5-ethynyl-4-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyloxazolidine-3-carboxylate

Base Information

Chemical Name:(4R,5R)-tert-butyl 5-ethynyl-4-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyloxazolidine-3-carboxylate
CAS No.:906528-72-1
Molecular Formula:C₂₉H₃₉NO₄Si
Molecular Weight:493.718
Hs Code.:

Synonyms:(4R,5R)-tert-butyl 5-ethynyl-4-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyloxazolidine-3-carboxylate

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Chemical Property of (4R,5R)-tert-butyl 5-ethynyl-4-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyloxazolidine-3-carboxylate

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Technology Process of (4R,5R)-tert-butyl 5-ethynyl-4-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyloxazolidine-3-carboxylate

There total 5 articles about (4R,5R)-tert-butyl 5-ethynyl-4-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyloxazolidine-3-carboxylate 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: 98.0%

: 906528-71-0
tert-butyl (2R,3R)-1-(tert-butyldiphenylsilyloxy)-3-hydroxypent-4-yn-2-ylcarbamate

: 77-76-9
2,2-dimethoxy-propane

: 906528-72-1
(4R,5R)-tert-butyl 5-ethynyl-4-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyloxazolidine-3-carboxylate

Guidance literature:: With toluene-4-sulfonic acid; In acetone; for 6h; Heating;
DOI:10.1016/j.bmc.2006.03.048

Reference yield:

: 906528-70-9
tert-butyl (2R,3R)-1,3-dihydroxypent-4-yn-2-ylcarbamate

: 906528-72-1
(4R,5R)-tert-butyl 5-ethynyl-4-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyloxazolidine-3-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: 89 percent / imidazole; 4-dimethylaminopyridine / dimethylformamide / 16 h / 20 °C

2: 98 percent / p-TsOH*H₂O / acetone / 6 h / Heating

With 1H-imidazole; dmap; toluene-4-sulfonic acid; In N,N-dimethyl-formamide; acetone;
DOI:10.1016/j.bmc.2006.03.048

Reference yield:

: 95715-87-0
(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

: 906528-72-1
(4R,5R)-tert-butyl 5-ethynyl-4-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyloxazolidine-3-carboxylate

Guidance literature:: Multi-step reaction with 5 steps

1.1: n-BuLi; ZnBr₂ / diethyl ether; hexane / 0 - 20 °C

1.2: 41 percent / diethyl ether; hexane / -78 - 20 °C

2.1: 93 percent / tetrabutylammonium fluoride / tetrahydrofuran / 1 h / 20 °C

3.1: 93 percent / acetic acid / 5 h / 60 °C

4.1: 89 percent / imidazole; 4-dimethylaminopyridine / dimethylformamide / 16 h / 20 °C

5.1: 98 percent / p-TsOH*H₂O / acetone / 6 h / Heating

With 1H-imidazole; dmap; n-butyllithium; tetrabutyl ammonium fluoride; toluene-4-sulfonic acid; acetic acid; zinc dibromide; In tetrahydrofuran; diethyl ether; hexane; N,N-dimethyl-formamide; acetone;
DOI:10.1016/j.bmc.2006.03.048