6(R)-<1(R)-methyl-2-<(tert-butyldiphenylsilyl)oxy>ethyl>-4(R)-<1(R)-methyl-1-(2,2,5(S)-trimethyldioxan-4(S)-yl)methyl>-2,2,5(S)-trimethyl-1,3-dioxane

Base Information

Chemical Name:6(R)-<1(R)-methyl-2-<(tert-butyldiphenylsilyl)oxy>ethyl>-4(R)-<1(R)-methyl-1-(2,2,5(S)-trimethyldioxan-4(S)-yl)methyl>-2,2,5(S)-trimethyl-1,3-dioxane
CAS No.:81470-91-9
Molecular Formula:C₃₅H₅₄O₅Si
Molecular Weight:582.896
Hs Code.:

Synonyms:6(R)-<1(R)-methyl-2-<(tert-butyldiphenylsilyl)oxy>ethyl>-4(R)-<1(R)-methyl-1-(2,2,5(S)-trimethyldioxan-4(S)-yl)methyl>-2,2,5(S)-trimethyl-1,3-dioxane

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Chemical Property of 6(R)-<1(R)-methyl-2-<(tert-butyldiphenylsilyl)oxy>ethyl>-4(R)-<1(R)-methyl-1-(2,2,5(S)-trimethyldioxan-4(S)-yl)methyl>-2,2,5(S)-trimethyl-1,3-dioxane

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Technology Process of 6(R)-<1(R)-methyl-2-<(tert-butyldiphenylsilyl)oxy>ethyl>-4(R)-<1(R)-methyl-1-(2,2,5(S)-trimethyldioxan-4(S)-yl)methyl>-2,2,5(S)-trimethyl-1,3-dioxane

There total 46 articles about 6(R)-<1(R)-methyl-2-<(tert-butyldiphenylsilyl)oxy>ethyl>-4(R)-<1(R)-methyl-1-(2,2,5(S)-trimethyldioxan-4(S)-yl)methyl>-2,2,5(S)-trimethyl-1,3-dioxane 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:

: 112452-72-9,112529-83-6
(2R,3R,4S,5S,6S)-1-(tert-Butyl-diphenyl-silanyloxy)-2,4-dimethyl-6-((4S,5S)-2,2,5-trimethyl-[1,3]dioxan-4-yl)-heptane-3,5-diol

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

: 81470-91-9
6(R)-<1(R)-methyl-2-<(tert-butyldiphenylsilyl)oxy>ethyl>-4(R)-<1(R)-methyl-1-(2,2,5(S)-trimethyldioxan-4(S)-yl)methyl>-2,2,5(S)-trimethyl-1,3-dioxane

Guidance literature:: With toluene-4-sulfonic acid; at 25 ℃; for 18h; Yield given;
DOI:10.1021/ja00224a032

Reference yield:

: 112452-72-9,112529-83-6
(2R,3S,4S,5S,6S)-1-(tert-Butyl-diphenyl-silanyloxy)-2,4-dimethyl-6-((4S,5S)-2,2,5-trimethyl-[1,3]dioxan-4-yl)-heptane-3,5-diol

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

: 81470-91-9,112529-84-7
6(S)-<1(R)-methyl-2-<(tert-butyldiphenylsilyl)oxy>ethyl>-4(R)-<1(R)-methyl-1-(2,2,5(S)-trimethyldioxan-4(S)-yl)methyl>-2,2,5(S)-trimethyl-1,3-dioxane

Guidance literature:: With toluene-4-sulfonic acid; at 25 ℃; for 18h; Yield given;
DOI:10.1021/ja00224a032

Reference yield:

: 139016-74-3
(2S,3R,4R)-2-((4R,5R)-2,2,5-Trimethyl-[1,3]dioxan-4-yl)-4-((4S,5S)-2,2,5-trimethyl-[1,3]dioxan-4-yl)-pentan-3-ol

: 81470-91-9
6(R)-<1(R)-methyl-2-<(tert-butyldiphenylsilyl)oxy>ethyl>-4(R)-<1(R)-methyl-1-(2,2,5(S)-trimethyldioxan-4(S)-yl)methyl>-2,2,5(S)-trimethyl-1,3-dioxane

Guidance literature:: Multi-step reaction with 7 steps

1: 99 percent / NaH / tetrahydrofuran; dimethylformamide

2: 80 percent / aq. AcOH

3: TfOH / tetrahydrofuran / 2 h / -40 °C

4: 68 percent / imidazole / dimethylformamide

5: 85 percent / HCl / CHCl₃ / Ambient temperature

6: 73 percent / H₂ / 10percent Pd/C / ethanol

7: CSA

With 1H-imidazole; hydrogenchloride; trifluorormethanesulfonic acid; camphor-10-sulfonic acid; hydrogen; sodium hydride; acetic acid; palladium on activated charcoal; In tetrahydrofuran; ethanol; chloroform; N,N-dimethyl-formamide;
DOI:10.1021/jo00032a004