(3aR,5R,6R,6aR)-6-Benzyloxy-5-ethynyl-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole

Base Information

• Chemical Name: (3aR,5R,6R,6aR)-6-Benzyloxy-5-ethynyl-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole
• CAS No.: 117174-46-6
• Molecular Formula: C₁₆H₁₈O₄
• Molecular Weight: 274.317
• Mol file: 117174-46-6.mol

Synonyms:(3aR,5R,6R,6aR)-6-Benzyloxy-5-ethynyl-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole

Chemical Property of (3aR,5R,6R,6aR)-6-Benzyloxy-5-ethynyl-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (3aR,5R,6R,6aR)-6-Benzyloxy-5-ethynyl-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole

There total 13 articles about (3aR,5R,6R,6aR)-6-Benzyloxy-5-ethynyl-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole 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: 91.0%

dimethyl 1-(1-diazo-2-oxopropyl)phosphonate (90965-06-3) + 3-O-benzyl-1,2-O-isopropylidene-1,5-D-xylo-dialdofuranose (23558-05-6) → (3aR,5R,6S,6aR)-6-(benzyloxy)-5-ethynyl-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxole (117174-46-6,53931-27-4)

Guidance literature:

With potassium carbonate; In methanol; at 20 ℃; for 9h;

DOI:10.1016/j.tetlet.2006.11.048

Reference yield: 74.0%

O-benzyl-3-dibromo-6,6-didesoxy-5,6-O-isopropylidene-1,2-α-D-xylo-hexeno-5-furannose-1,4 (53931-26-3) → (3aR,5R,6S,6aR)-6-(benzyloxy)-5-ethynyl-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxole (117174-46-6,53931-27-4)

Guidance literature:

With n-butyllithium; In tetrahydrofuran; hexane; at -78 - 20 ℃; for 2h;

DOI:10.1021/ol0701159

Reference yield: 72.4%

(3aR,5R,6R,6aR)-6-Benzyloxy-5-(2,2-dibromo-vinyl)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole (164213-49-4) → (3aR,5R,6R,6aR)-6-Benzyloxy-5-ethynyl-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole (117174-46-6)

Guidance literature:

With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 1h;

upstream raw materials:

O-benzyl-3-dibromo-6,6-didesoxy-5,6-O-isopropylidene-1,2-α-D-xylo-hexeno-5-furannose-1,4

dimethyl 1-(1-diazo-2-oxopropyl)phosphonate

3-O-benzyl-1,2-O-isopropylidene-1,5-D-xylo-dialdofuranose

(1R)-1-((3aR,6S,6aR)-6-(benzyloxy)-2,2-dimethyltetrahydrofuro(2,3-d)(1,3)dioxol-5-yl)ethane-1,2-diol

Downstream raw materials:

(3-O-benzyl-5,6-didesoxy-1,2-O-isopropylidene-α-D-xylo-hex-5-ynofuranos-6-yl)phosphonate de diethyle

6-benzyloxy-2,2-dimethyl-5-(1-methylene-allyl)-tetrahydro-furo[2,3-d][1,3]dioxole

N-{3-[(3aR,5R,6S,6aR)-6-(benzyloxy)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl]-2H-chromen-2-ylidene}-4-tolylsulfonamide

(2R,3R,4R)-3,4-bis(benzyloxy)-6-[(3aR,5R,6S,6aR)-6-(benzyloxy)-tetrahydro-2,2-dimethylfuro[2,3-d][1,3]dioxol-5-yl]-2-(benzyloxymethyl)-1-azabicyclo[3.2.0]heptan-7-one