(2S,3S,4R)-3-hydroxy-4-hydroxymethyl-4-O-methoxalyloxy-3-O,O-(hydroxymethyl)-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2-((p-toluenesulfonyloxy)methyl)tetrahydrofuran

Base Information

Chemical Name:(2S,3S,4R)-3-hydroxy-4-hydroxymethyl-4-O-methoxalyloxy-3-O,O-(hydroxymethyl)-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2-((p-toluenesulfonyloxy)methyl)tetrahydrofuran
CAS No.:296250-80-1
Molecular Formula:C₂₈H₄₆O₁₁SSi₂
Molecular Weight:646.904
Hs Code.:

(2S,3S,4R)-3-hydroxy-4-hydroxymethyl-4-O-methoxalyloxy-3-O,O-(hydroxymethyl)-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2-((p-toluenesulfonyloxy)methyl)tetrahydrofuran

Synonyms:(2S,3S,4R)-3-hydroxy-4-hydroxymethyl-4-O-methoxalyloxy-3-O,O-(hydroxymethyl)-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2-((p-toluenesulfonyloxy)methyl)tetrahydrofuran

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Chemical Property of (2S,3S,4R)-3-hydroxy-4-hydroxymethyl-4-O-methoxalyloxy-3-O,O-(hydroxymethyl)-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2-((p-toluenesulfonyloxy)methyl)tetrahydrofuran

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Technology Process of (2S,3S,4R)-3-hydroxy-4-hydroxymethyl-4-O-methoxalyloxy-3-O,O-(hydroxymethyl)-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2-((p-toluenesulfonyloxy)methyl)tetrahydrofuran

There total 9 articles about (2S,3S,4R)-3-hydroxy-4-hydroxymethyl-4-O-methoxalyloxy-3-O,O-(hydroxymethyl)-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2-((p-toluenesulfonyloxy)methyl)tetrahydrofuran 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: 74.4%

: 5781-53-3
monomethyl oxalyl chloride

: 296250-79-8
(2S,3S,4R)-3,4-dihydroxy-4-hydroxymethyl-3-O,O-(hydroxymethyl)-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2-((p-toluenesulfonyloxy)methyl)tetrahydrofuran

: 296250-80-1
(2S,3S,4R)-3-hydroxy-4-hydroxymethyl-4-O-methoxalyloxy-3-O,O-(hydroxymethyl)-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2-((p-toluenesulfonyloxy)methyl)tetrahydrofuran

Guidance literature:: With dmap; In dichloromethane; at 20 ℃; for 22h;
DOI:10.1021/jo000275x

Reference yield:

: 153186-10-8
((3aR,5R,6S,6aR)-6-(benzyloxy)-5-((benzyloxy)methyl)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)methanol

: 296250-80-1
(2S,3S,4R)-3-hydroxy-4-hydroxymethyl-4-O-methoxalyloxy-3-O,O-(hydroxymethyl)-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2-((p-toluenesulfonyloxy)methyl)tetrahydrofuran

Guidance literature:: Multi-step reaction with 9 steps

1: pyridine / 0.33 h / 20 °C

2: 11.896 g / aq. HCl / 10 h

3: NaH / dimethylformamide / 2 h / 20 °C

4: aq. AcOH / 3.5 h / 50 °C

5: 5.776 g / NaBH₄ / methanol / 0.33 h / 20 °C

6: 82.8 percent / DMAP / CH₂Cl₂ / 10 h / 20 °C

7: 86 percent / H₂ / Pd(OH)2/C / ethanol / 31 h

8: 71.3 percent / pyridine / 35 h / 20 °C

9: 74.4 percent / DMAP / CH₂Cl₂ / 22 h / 20 °C

With pyridine; hydrogenchloride; dmap; sodium tetrahydroborate; hydrogen; sodium hydride; acetic acid; palladium dihydroxide; In pyridine; methanol; ethanol; dichloromethane; N,N-dimethyl-formamide; 1: sulfonation / 2: Hydrolysis / 3: Cyclization / 4: Hydrolysis / 5: Reduction / 6: Tosylation / 7: Hydrogenolysis / 8: silylation / 9: Acylation;
DOI:10.1021/jo000275x

Reference yield:

: 223591-10-4
(2R,3S,4S)-3-benzyloxy-4-benzyloxymethyl-2-formyl-4-hydroxytetrahydrofuran

: 296250-80-1
(2S,3S,4R)-3-hydroxy-4-hydroxymethyl-4-O-methoxalyloxy-3-O,O-(hydroxymethyl)-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2-((p-toluenesulfonyloxy)methyl)tetrahydrofuran

Guidance literature:: Multi-step reaction with 5 steps

1: 5.776 g / NaBH₄ / methanol / 0.33 h / 20 °C

2: 82.8 percent / DMAP / CH₂Cl₂ / 10 h / 20 °C

3: 86 percent / H₂ / Pd(OH)2/C / ethanol / 31 h

4: 71.3 percent / pyridine / 35 h / 20 °C

5: 74.4 percent / DMAP / CH₂Cl₂ / 22 h / 20 °C

With dmap; sodium tetrahydroborate; hydrogen; palladium dihydroxide; In pyridine; methanol; ethanol; dichloromethane; 1: Reduction / 2: Tosylation / 3: Hydrogenolysis / 4: silylation / 5: Acylation;
DOI:10.1021/jo000275x