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

Base Information

• Chemical Name: (3aR,5R,6R,6aR)-6-Benzyloxy-2,2-dimethyl-6-(2-methyl-allyl)-5-vinyl-tetrahydro-furo[2,3-d][1,3]dioxole
• CAS No.: 370888-69-0
• Molecular Formula: C₂₀H₂₆O₄
• Molecular Weight: 330.424

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

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

Chemical Property:

Purity/Quality:

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• Pictogram(s):  
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MSDS Files:

Useful:

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

There total 5 articles about (3aR,5R,6R,6aR)-6-Benzyloxy-2,2-dimethyl-6-(2-methyl-allyl)-5-vinyl-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-[(3aR,5R,6R,6aR)-6-Benzyloxy-2,2-dimethyl-6-(2-methyl-allyl)-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl]-ethane-1,2-diol → (3aR,5R,6R,6aR)-6-Benzyloxy-2,2-dimethyl-6-(2-methyl-allyl)-5-vinyl-tetrahydro-furo[2,3-d][1,3]dioxole (370888-69-0)

Guidance literature:

With 1H-imidazole; iodine; triphenylphosphine; In toluene; for 2h; Heating;

DOI:10.1016/S0040-4039(01)01167-4

Reference yield:

1,2:5,6-di-O-isopropylidene-α-D-ribo-3-hexulofuranose (2847-00-9) → (3aR,5R,6R,6aR)-6-Benzyloxy-2,2-dimethyl-6-(2-methyl-allyl)-5-vinyl-tetrahydro-furo[2,3-d][1,3]dioxole (370888-69-0)

Guidance literature:

Multi-step reaction with 4 steps

1.1: Mg / tetrahydrofuran

1.2: 70 percent / tetrahydrofuran / 6 h / 20 °C

2.1: 80 percent / NaH / tetrahydrofuran; hexamethylphosphoric acid triamide / 2 h / Heating

3.1: aqueous acetic acid / 12 h / 20 °C

4.1: 840 mg / imidazole; PPh₃; iodine / toluene / 2 h / Heating

With 1H-imidazole; iodine; sodium hydride; magnesium; acetic acid; triphenylphosphine; In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide; toluene;

DOI:10.1021/jo026920c

Reference yield:

1:2,5:6-di-O-isopropylidene-3-C-(2'-methyl-2'-propenyl)-α-D-allofuranose → (3aR,5R,6R,6aR)-6-Benzyloxy-2,2-dimethyl-6-(2-methyl-allyl)-5-vinyl-tetrahydro-furo[2,3-d][1,3]dioxole (370888-69-0)

Guidance literature:

Multi-step reaction with 3 steps

1: 80 percent / NaH / tetrahydrofuran; hexamethylphosphoric acid triamide / 2 h / Heating

2: aqueous acetic acid / 12 h / 20 °C

3: 840 mg / imidazole; PPh₃; iodine / toluene / 2 h / Heating

With 1H-imidazole; iodine; sodium hydride; acetic acid; triphenylphosphine; In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide; toluene;

DOI:10.1021/jo026920c

upstream raw materials:

benzyl bromide

1,2:5,6-di-O-isopropylidene-α-D-ribo-3-hexulofuranose

Downstream raw materials:

cis-syn-cis-4α,5α-O-isopropylidene-6α-benzyloxy-8α-methyl-3-oxatricyclo[3.2.0.0^2,6]decane

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