(3aR,6S,6aR)-6-(4-Methoxy-benzyloxy)-2,2-dimethyl-5-methylene-tetrahydro-furo[2,3-d][1,3]dioxole

Base Information

• Chemical Name: (3aR,6S,6aR)-6-(4-Methoxy-benzyloxy)-2,2-dimethyl-5-methylene-tetrahydro-furo[2,3-d][1,3]dioxole
• CAS No.: 132246-21-0
• Molecular Formula: C₁₆H₂₀O₅
• Molecular Weight: 292.332
• Mol file: 132246-21-0.mol

Synonyms:(3aR,6S,6aR)-6-(4-Methoxy-benzyloxy)-2,2-dimethyl-5-methylene-tetrahydro-furo[2,3-d][1,3]dioxole

Chemical Property of (3aR,6S,6aR)-6-(4-Methoxy-benzyloxy)-2,2-dimethyl-5-methylene-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,6S,6aR)-6-(4-Methoxy-benzyloxy)-2,2-dimethyl-5-methylene-tetrahydro-furo[2,3-d][1,3]dioxole

There total 1 articles about (3aR,6S,6aR)-6-(4-Methoxy-benzyloxy)-2,2-dimethyl-5-methylene-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:

1,2-O-isopropylidene-5-O-methylsulphonyl-3-O-(p-methoxybenzyl)-α-D-ribofuranose (115693-79-3) → (3aR,6S,6aR)-6-(4-Methoxy-benzyloxy)-2,2-dimethyl-5-methylene-tetrahydro-furo[2,3-d][1,3]dioxole (132246-21-0)

Guidance literature:

With tetrahydrofuran; potassium tert-butylate; butanone; potassium iodide; Multistep reaction;

DOI:10.1039/P19900003201

Reference yield: 98.0%

(3aR,6S,6aR)-6-(4-Methoxy-benzyloxy)-2,2-dimethyl-5-methylene-tetrahydro-furo[2,3-d][1,3]dioxole (132246-21-0) → (3aR,5S,6R,6aR)-6-(4-Methoxy-benzyloxy)-2,2,5-trimethyl-tetrahydro-furo[2,3-d][1,3]dioxole (132246-23-2)

Guidance literature:

With hydrogen; Rh/Al₂O₃; for 4h;

DOI:10.1039/P19900003201

Reference yield:

(3aR,6S,6aR)-6-(4-Methoxy-benzyloxy)-2,2-dimethyl-5-methylene-tetrahydro-furo[2,3-d][1,3]dioxole (132246-21-0) → (4R,5S)-2-Methoxy-4-(4-methoxy-benzyloxy)-5-methyl-dihydro-furan-3-one (109519-13-3,109519-14-4,132246-24-3,132246-28-7)

Guidance literature:

Multi-step reaction with 2 steps

1: 98 percent / H₂ / Rhodium on alumina / 4 h

2: 1.) MeOH, HCl; 2.) DMSO, Ac₂O

With hydrogenchloride; methanol; hydrogen; acetic anhydride; dimethyl sulfoxide; Rh/Al₂O₃;

DOI:10.1039/P19900003201

upstream raw materials:

1,2-O-isopropylidene-5-O-methylsulphonyl-3-O-(p-methoxybenzyl)-α-D-ribofuranose

Downstream raw materials:

(3aR,5S,6R,6aR)-6-(4-Methoxy-benzyloxy)-2,2,5-trimethyl-tetrahydro-furo[2,3-d][1,3]dioxole

(3aR,6aR)-6-(4-Methoxy-benzyloxy)-2,2,5-trimethyl-3a,6a-dihydro-furo[2,3-d][1,3]dioxole

(E,4S,5S)-3-hexadecylidene-dihydro-4-hydroxy-5-methylfuran-2(3H)-one

dihydromahubanolide