(2R,3S,4S,5S,6R,7S,8R,9R)-1-Benzyloxy-3,5:7,9-bis(isopropylidenedioxy)-2,4,6,8-tetramethylundecane

Base Information

Chemical Name:(2R,3S,4S,5S,6R,7S,8R,9R)-1-Benzyloxy-3,5:7,9-bis(isopropylidenedioxy)-2,4,6,8-tetramethylundecane
CAS No.:233599-72-9
Molecular Formula:C₂₈H₄₆O₅
Molecular Weight:462.67
Hs Code.:

Synonyms:(2R,3S,4S,5S,6R,7S,8R,9R)-1-Benzyloxy-3,5:7,9-bis(isopropylidenedioxy)-2,4,6,8-tetramethylundecane

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Chemical Property of (2R,3S,4S,5S,6R,7S,8R,9R)-1-Benzyloxy-3,5:7,9-bis(isopropylidenedioxy)-2,4,6,8-tetramethylundecane

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Technology Process of (2R,3S,4S,5S,6R,7S,8R,9R)-1-Benzyloxy-3,5:7,9-bis(isopropylidenedioxy)-2,4,6,8-tetramethylundecane

There total 6 articles about (2R,3S,4S,5S,6R,7S,8R,9R)-1-Benzyloxy-3,5:7,9-bis(isopropylidenedioxy)-2,4,6,8-tetramethylundecane 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: 94.0%

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

: 198129-25-8
(2R,3S,4S,5S,6R,7S,8R,9R)-1-Benzyloxy-7,9-isopropylidenedioxy-2,4,6,8-tetramethylundecane-3,5-diol

: 233599-72-9
(2R,3S,4S,5S,6R,7S,8R,9R)-1-Benzyloxy-3,5:7,9-bis(isopropylidenedioxy)-2,4,6,8-tetramethylundecane

Guidance literature:: With pyridinium p-toluenesulfonate; In dichloromethane; for 18h;
DOI:10.1039/a809818b

Reference yield:

: 116652-75-6
(R)-1-(benzyloxy)-2-methylpentan-3-one

: 233599-72-9
(2R,3S,4S,5S,6R,7S,8R,9R)-1-Benzyloxy-3,5:7,9-bis(isopropylidenedioxy)-2,4,6,8-tetramethylundecane

Guidance literature:: Multi-step reaction with 2 steps

2: 94 percent / PPTS / CH₂Cl₂ / 18 h

With pyridinium p-toluenesulfonate; In dichloromethane;
DOI:10.1039/a809818b

Reference yield:

: 198129-23-6
(2R,3S,4R,5R)-1-Benzyloxy-3,5-isopropylidenedioxy-2,4-dimethylheptane

: 233599-72-9
(2R,3S,4S,5S,6R,7S,8R,9R)-1-Benzyloxy-3,5:7,9-bis(isopropylidenedioxy)-2,4,6,8-tetramethylundecane

Guidance literature:: Multi-step reaction with 4 steps

1: 95 percent / H₂ / 20 percent Pd(OH)2/C / ethanol / 4.25 h / Ambient temperature

2: 1.) (COCl)2, DMSO, 2.) Et₃N / 1.) CH₂Cl₂, -78 deg C, 45 min, 2.) CH₂Cl₂, -78 deg C, 15 min; -41 deg C, 15 min

4: 94 percent / PPTS / CH₂Cl₂ / 18 h

With oxalyl dichloride; hydrogen; pyridinium p-toluenesulfonate; dimethyl sulfoxide; triethylamine; palladium dihydroxide; In ethanol; dichloromethane;
DOI:10.1039/a809818b