(2S,3S,4R,5R,6S)-3,4,5-Tris-benzyloxy-2-[(2R,3S,4R)-4-(5-bromo-pentyloxy)-2-(4-phenyl-butoxymethyl)-tetrahydro-pyran-3-yloxy]-6-methyl-tetrahydro-pyran

Base Information

Chemical Name:(2S,3S,4R,5R,6S)-3,4,5-Tris-benzyloxy-2-[(2R,3S,4R)-4-(5-bromo-pentyloxy)-2-(4-phenyl-butoxymethyl)-tetrahydro-pyran-3-yloxy]-6-methyl-tetrahydro-pyran
CAS No.:191926-20-2
Molecular Formula:C₄₈H₆₁BrO₈
Molecular Weight:845.912
Hs Code.:

(2S,3S,4R,5R,6S)-3,4,5-Tris-benzyloxy-2-[(2R,3S,4R)-4-(5-bromo-pentyloxy)-2-(4-phenyl-butoxymethyl)-tetrahydro-pyran-3-yloxy]-6-methyl-tetrahydro-pyran

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Chemical Property of (2S,3S,4R,5R,6S)-3,4,5-Tris-benzyloxy-2-[(2R,3S,4R)-4-(5-bromo-pentyloxy)-2-(4-phenyl-butoxymethyl)-tetrahydro-pyran-3-yloxy]-6-methyl-tetrahydro-pyran

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Technology Process of (2S,3S,4R,5R,6S)-3,4,5-Tris-benzyloxy-2-[(2R,3S,4R)-4-(5-bromo-pentyloxy)-2-(4-phenyl-butoxymethyl)-tetrahydro-pyran-3-yloxy]-6-methyl-tetrahydro-pyran

There total 8 articles about (2S,3S,4R,5R,6S)-3,4,5-Tris-benzyloxy-2-[(2R,3S,4R)-4-(5-bromo-pentyloxy)-2-(4-phenyl-butoxymethyl)-tetrahydro-pyran-3-yloxy]-6-methyl-tetrahydro-pyran 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:

: 5-[(2R,3S,4R)-2-(4-Phenyl-butoxymethyl)-3-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-4-yloxy]-pentan-1-ol

: 191926-20-2
(2S,3S,4R,5R,6S)-3,4,5-Tris-benzyloxy-2-[(2R,3S,4R)-4-(5-bromo-pentyloxy)-2-(4-phenyl-butoxymethyl)-tetrahydro-pyran-3-yloxy]-6-methyl-tetrahydro-pyran

Guidance literature:: With 1,2-dibromo-1,1,2,2-tetrachloroethane; triethylamine; triphenylphosphine; In dichloromethane; at 0 - 20 ℃; for 2h;
DOI:10.1016/S0960-894X(97)00214-X

Reference yield:

: 112775-09-4
4-phenylbutyl 4-methylbenzenesulfonate

: 191926-20-2
(2S,3S,4R,5R,6S)-3,4,5-Tris-benzyloxy-2-[(2R,3S,4R)-4-(5-bromo-pentyloxy)-2-(4-phenyl-butoxymethyl)-tetrahydro-pyran-3-yloxy]-6-methyl-tetrahydro-pyran

Guidance literature:: Multi-step reaction with 4 steps

1: K₂CO₃, dibenzo-18-crown-6 / toluene / 18 h

2: TMSOTf

3: <(C₆H₅)3P>RhCl / ethanol; H₂O / 1 h / Heating

4: 1,2-dibromotetrachloroethane, PPh₃, Et₃N / CH₂Cl₂ / 2 h / 0 - 20 °C

With Wilkinson's catalyst; dibenzo-18-crown-6; 1,2-dibromo-1,1,2,2-tetrachloroethane; trimethylsilyl trifluoromethanesulfonate; potassium carbonate; triethylamine; triphenylphosphine; In ethanol; dichloromethane; water; toluene;
DOI:10.1016/S0960-894X(97)00214-X

Reference yield:

: 172147-62-5
5-allyloxy-1-p-toluenesulfonyloxypentane

: 191926-20-2
(2S,3S,4R,5R,6S)-3,4,5-Tris-benzyloxy-2-[(2R,3S,4R)-4-(5-bromo-pentyloxy)-2-(4-phenyl-butoxymethyl)-tetrahydro-pyran-3-yloxy]-6-methyl-tetrahydro-pyran

Guidance literature:: Multi-step reaction with 6 steps

1: NaH / dimethylformamide / 20 h

2: 20percent CF₃COOH / various solvent(s) / 4 h

3: K₂CO₃, dibenzo-18-crown-6 / toluene / 18 h

4: TMSOTf

5: <(C₆H₅)3P>RhCl / ethanol; H₂O / 1 h / Heating

6: 1,2-dibromotetrachloroethane, PPh₃, Et₃N / CH₂Cl₂ / 2 h / 0 - 20 °C

With Wilkinson's catalyst; dibenzo-18-crown-6; 1,2-dibromo-1,1,2,2-tetrachloroethane; trimethylsilyl trifluoromethanesulfonate; sodium hydride; potassium carbonate; triethylamine; triphenylphosphine; trifluoroacetic acid; In ethanol; dichloromethane; water; N,N-dimethyl-formamide; toluene;
DOI:10.1016/S0960-894X(97)00214-X