(3aS,4S,6R,6aR)-2,2,4-trimethyl-6-styryltetrahydrofuro-[3,4-d][1,3]dioxole

Base Information

• Chemical Name: (3aS,4S,6R,6aR)-2,2,4-trimethyl-6-styryltetrahydrofuro-[3,4-d][1,3]dioxole
• CAS No.: 1392482-44-8
• Molecular Formula: C₁₆H₂₀O₃
• Molecular Weight: 260.333
• Mol file: 1392482-44-8.mol

Synonyms:(3aS,4S,6R,6aR)-2,2,4-trimethyl-6-styryltetrahydrofuro-[3,4-d][1,3]dioxole

Chemical Property of (3aS,4S,6R,6aR)-2,2,4-trimethyl-6-styryltetrahydrofuro-[3,4-d][1,3]dioxole

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (3aS,4S,6R,6aR)-2,2,4-trimethyl-6-styryltetrahydrofuro-[3,4-d][1,3]dioxole

There total 4 articles about (3aS,4S,6R,6aR)-2,2,4-trimethyl-6-styryltetrahydrofuro-[3,4-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:

(3aS,4S,6S,6aS)-2,2,6-trimethyltetrahydrofuro[3,4-d][1,3]dioxole-4-carbaldehyde (1356005-06-5) + methoxymethyl-phenyl-phosphinic acid ethyl ester → (3aS,4S,6R,6aR)-2,2,4-trimethyl-6-styryltetrahydrofuro-[3,4-d][1,3]dioxole (1392482-44-8)

Guidance literature:

methoxymethyl-phenyl-phosphinic acid ethyl ester; With n-butyllithium; In tetrahydrofuran; hexane; at 0 ℃; for 0.25h; Inert atmosphere;

(3aS,4S,6S,6aS)-2,2,6-trimethyltetrahydrofuro[3,4-d][1,3]dioxole-4-carbaldehyde; In tetrahydrofuran; hexane; at 0 - 40 ℃; for 24h; Inert atmosphere;

DOI:10.1039/c2ob25069a

Reference yield:

((3aR,4R,6S,6aS)-2,2,6-trimethyl-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol (76249-48-4) → (3aS,4S,6R,6aR)-2,2,4-trimethyl-6-styryltetrahydrofuro-[3,4-d][1,3]dioxole (1392482-44-8)

Guidance literature:

Multi-step reaction with 2 steps

1.1: Dess-Martin periodane / dichloromethane / 22 h / 20 °C / Inert atmosphere

2.1: n-butyllithium / tetrahydrofuran; hexane / 0.25 h / 0 °C / Inert atmosphere

2.2: 24 h / 0 - 40 °C / Inert atmosphere

With n-butyllithium; Dess-Martin periodane; In tetrahydrofuran; hexane; dichloromethane; 2.2: Horner-Wadsworth-Emmons olefination;

DOI:10.1039/c2ob25069a

Reference yield:

(3aR,4R,6S,6aS)-4-(benzyloxymethyl)-2,2,6-trimethyltetrahydrofuro-[3,4-d][1,3]dioxole (1352945-24-4) → (3aS,4S,6R,6aR)-2,2,4-trimethyl-6-styryltetrahydrofuro-[3,4-d][1,3]dioxole (1392482-44-8)

Guidance literature:

Multi-step reaction with 3 steps

1.1: palladium 10% on activated carbon; hydrogen / tetrahydrofuran / 3 h / 20 °C / 750.08 Torr

2.1: Dess-Martin periodane / dichloromethane / 22 h / 20 °C / Inert atmosphere

3.1: n-butyllithium / tetrahydrofuran; hexane / 0.25 h / 0 °C / Inert atmosphere

3.2: 24 h / 0 - 40 °C / Inert atmosphere

With n-butyllithium; palladium 10% on activated carbon; hydrogen; Dess-Martin periodane; In tetrahydrofuran; hexane; dichloromethane; 3.2: Horner-Wadsworth-Emmons olefination;

DOI:10.1039/c2ob25069a

upstream raw materials:

((3aR,4R,6S,6aS)-2,2,6-trimethyl-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol

(3aR,4R,6S,6aS)-4-(benzyloxymethyl)-2,2,6-trimethyltetrahydrofuro-[3,4-d][1,3]dioxole

(3aS,4S,6S,6aS)-2,2,6-trimethyltetrahydrofuro[3,4-d][1,3]dioxole-4-carbaldehyde

Downstream raw materials:

E-(2S,3R,4S,5R)-2-methyl-5-styryltetrahydrofuran-3,4-diol