2-O-pivaloyl-3-O-benzyl-4,5-O-isopropylidene-D-xylose di(ethylthio)acetal

Base Information

Chemical Name:2-O-pivaloyl-3-O-benzyl-4,5-O-isopropylidene-D-xylose di(ethylthio)acetal
CAS No.:945224-32-8
Molecular Formula:C₂₄H₃₈O₅S₂
Molecular Weight:470.695
Hs Code.:

Synonyms:2-O-pivaloyl-3-O-benzyl-4,5-O-isopropylidene-D-xylose di(ethylthio)acetal

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Chemical Property of 2-O-pivaloyl-3-O-benzyl-4,5-O-isopropylidene-D-xylose di(ethylthio)acetal

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Technology Process of 2-O-pivaloyl-3-O-benzyl-4,5-O-isopropylidene-D-xylose di(ethylthio)acetal

There total 5 articles about 2-O-pivaloyl-3-O-benzyl-4,5-O-isopropylidene-D-xylose di(ethylthio)acetal 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: 100.0%

: 945224-31-7
3-O-benzyl-4,5-O-isopropylidene-D-xylose di(ethylthio)acetal

: 3282-30-2
pivaloyl chloride

: 945224-32-8
2-O-pivaloyl-3-O-benzyl-4,5-O-isopropylidene-D-xylose di(ethylthio)acetal

Guidance literature:: With dmap; In dichloromethane; at 0 ℃; for 1h;
DOI:10.1002/chem.200700141

Reference yield:

: 945224-30-6
3-O-benzyl-D-xylose di(ethylthio)acetal

: 945224-32-8
2-O-pivaloyl-3-O-benzyl-4,5-O-isopropylidene-D-xylose di(ethylthio)acetal

Guidance literature:: Multi-step reaction with 2 steps

1: 93 percent / pTsOH / 12 h / 20 °C

2: 100 percent / 4-dimethylaminopyridine / CH₂Cl₂ / 1 h / 0 °C

With dmap; toluene-4-sulfonic acid; In dichloromethane;
DOI:10.1002/chem.200700141

Reference yield:

: 20031-21-4
1,2-O-isopropylidene-α-D-xylose

: 945224-32-8
2-O-pivaloyl-3-O-benzyl-4,5-O-isopropylidene-D-xylose di(ethylthio)acetal

Guidance literature:: Multi-step reaction with 5 steps

1: 100 percent / pyridine / 12 h / 20 °C

2: 100 percent / sodium hydride; TBAI / dimethylformamide; various solvent(s) / 12 h / 20 °C

3: 91 percent / ZnBr₂ / CH₂Cl₂ / 1.25 h / 0 °C

4: 93 percent / pTsOH / 12 h / 20 °C

5: 100 percent / 4-dimethylaminopyridine / CH₂Cl₂ / 1 h / 0 °C

With pyridine; dmap; tetra-(n-butyl)ammonium iodide; sodium hydride; toluene-4-sulfonic acid; zinc dibromide; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1002/chem.200700141