{4-[Bromo-((2S,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-sulfonyl)-methyl]-benzyloxy}-tert-butyl-dimethyl-silane

Base Information

Chemical Name:{4-[Bromo-((2S,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-sulfonyl)-methyl]-benzyloxy}-tert-butyl-dimethyl-silane
CAS No.:329717-47-7
Molecular Formula:C₄₈H₅₇BrO₈SSi
Molecular Weight:902.031
Hs Code.:

Synonyms:{4-[Bromo-((2S,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-sulfonyl)-methyl]-benzyloxy}-tert-butyl-dimethyl-silane

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Chemical Property of {4-[Bromo-((2S,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-sulfonyl)-methyl]-benzyloxy}-tert-butyl-dimethyl-silane

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Technology Process of {4-[Bromo-((2S,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-sulfonyl)-methyl]-benzyloxy}-tert-butyl-dimethyl-silane

There total 8 articles about {4-[Bromo-((2S,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-sulfonyl)-methyl]-benzyloxy}-tert-butyl-dimethyl-silane 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: 88.0%

: 329717-45-5
tert-Butyl-dimethyl-[4-((2S,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-sulfonylmethyl)-benzyloxy]-silane

: tert-butyl-dimethyl-[4-(3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-ylidenemethyl)-benzyloxy]-silane

: 329717-47-7
{4-[Bromo-((2S,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-sulfonyl)-methyl]-benzyloxy}-tert-butyl-dimethyl-silane

Guidance literature:: With aluminum oxide; potassium hydroxide; dibromodifluoromethane; In dichloromethane; tert-butyl alcohol; at 0 - 20 ℃; for 3h;
DOI:10.1039/b008489l

Reference yield: 88.0%

: 329717-45-5
tert-Butyl-dimethyl-[4-((2S,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-sulfonylmethyl)-benzyloxy]-silane

: tert-Butyl-dimethyl-{4-[(3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-(2E)-ylidenemethyl]-benzyloxy}-silane

: 329717-46-6
tert-Butyl-dimethyl-{4-[(3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-(2Z)-ylidenemethyl]-benzyloxy}-silane

: 329717-47-7
{4-[Bromo-((2S,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-sulfonyl)-methyl]-benzyloxy}-tert-butyl-dimethyl-silane

Guidance literature:: With aluminum oxide; potassium hydroxide; dibromodifluoromethane; In dichloromethane; butan-1-ol; at 0 - 20 ℃;
DOI:10.1039/b008489l

Reference yield:

: 623-24-5
1,4-bis(bromomethyl)benzene

: 329717-47-7
{4-[Bromo-((2S,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-sulfonyl)-methyl]-benzyloxy}-tert-butyl-dimethyl-silane

Guidance literature:: Multi-step reaction with 6 steps

1: 90 percent / NaH / tetrahydrofuran; various solvent(s) / 2 h / 20 °C

2: 60 percent / silver triflate; 2,6-di-tert-butyl-4-methylpyridine / CH₂Cl₂ / 3 h / 20 °C

3: sodium methoxide; methanol / 1 h / 20 °C

4: 402 mg / sodium hydride; tetrabutylammonium iodide / tetrahydrofuran; dimethylformamide; various solvent(s) / 8 h / 20 °C

5: 87 percent / magnesium monoperoxyphthalate hexahydrate / tetrahydrofuran; aq. ethanol / 2 h / 60 °C

6: CBr₂F₂; KOH/alumina / CH₂Cl₂; 2-methyl-propan-2-ol / 3 h / 0 - 20 °C

With methanol; aluminum oxide; potassium hydroxide; 2,6-di-tert-butyl-4-methylpyridine; dibromodifluoromethane; sodium methylate; silver trifluoromethanesulfonate; tetra-(n-butyl)ammonium iodide; sodium hydride; magnesium monoperoxyphthalate hexahydrate; In tetrahydrofuran; ethanol; dichloromethane; N,N-dimethyl-formamide; tert-butyl alcohol;
DOI:10.1039/b008489l