(1R,2R,4S,6S)-2-(t-butyldiphenylsilyloxy)-6-(2-tetrahydropyranyloxy)-bicyclo<2.2.2>octane

Base Information

• Chemical Name: (1R,2R,4S,6S)-2-(t-butyldiphenylsilyloxy)-6-(2-tetrahydropyranyloxy)-bicyclo<2.2.2>octane
• CAS No.: 169138-93-6
• Molecular Formula: C₂₉H₄₀O₃Si
• Molecular Weight: 464.72
• Mol file: 169138-93-6.mol

Synonyms:(1R,2R,4S,6S)-2-(t-butyldiphenylsilyloxy)-6-(2-tetrahydropyranyloxy)-bicyclo<2.2.2>octane

Chemical Property of (1R,2R,4S,6S)-2-(t-butyldiphenylsilyloxy)-6-(2-tetrahydropyranyloxy)-bicyclo<2.2.2>octane

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (1R,2R,4S,6S)-2-(t-butyldiphenylsilyloxy)-6-(2-tetrahydropyranyloxy)-bicyclo<2.2.2>octane

There total 3 articles about (1R,2R,4S,6S)-2-(t-butyldiphenylsilyloxy)-6-(2-tetrahydropyranyloxy)-bicyclo<2.2.2>octane 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: 98.0%

tert-butylchlorodiphenylsilane (58479-61-1) + (1S,2R,4R,6S)-6-(Tetrahydro-pyran-2-yloxy)-bicyclo[2.2.2]octan-2-ol → (1R,2R,4S,6S)-2-(t-butyldiphenylsilyloxy)-6-(2-tetrahydropyranyloxy)-bicyclo<2.2.2>octane (169138-93-6)

Guidance literature:

With 1H-imidazole; In N,N-dimethyl-formamide; for 120h; Ambient temperature;

DOI:10.1016/0957-4166(95)00105-X

Reference yield:

(1R,4S,6S)-bicyclo<2.2.2>octane-6-ol-2-one (129100-39-6) → (1R,2R,4S,6S)-2-(t-butyldiphenylsilyloxy)-6-(2-tetrahydropyranyloxy)-bicyclo<2.2.2>octane (169138-93-6)

Guidance literature:

Multi-step reaction with 3 steps

1: 100 percent / pyridinium tosylate / CH₂Cl₂ / 8 h / Ambient temperature

2: 95 percent / NaBH₄ / tetrahydrofuran; methanol / 35 h / Ambient temperature

3: 98 percent / imidazole / dimethylformamide / 120 h / Ambient temperature

With 1H-imidazole; sodium tetrahydroborate; pyridinium p-toluenesulfonate; In tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide;

DOI:10.1016/0957-4166(95)00105-X

Reference yield:

(1R,4S,6S)-6-(tetrahydropyranyloxy)-bicyclo<2.2.2>octan-2-one → (1R,2R,4S,6S)-2-(t-butyldiphenylsilyloxy)-6-(2-tetrahydropyranyloxy)-bicyclo<2.2.2>octane (169138-93-6)

Guidance literature:

Multi-step reaction with 2 steps

1: 95 percent / NaBH₄ / tetrahydrofuran; methanol / 35 h / Ambient temperature

2: 98 percent / imidazole / dimethylformamide / 120 h / Ambient temperature

With 1H-imidazole; sodium tetrahydroborate; In tetrahydrofuran; methanol; N,N-dimethyl-formamide;

DOI:10.1016/0957-4166(95)00105-X

upstream raw materials:

tert-butylchlorodiphenylsilane

(1R,4S,6S)-bicyclo<2.2.2>octane-6-ol-2-one

Downstream raw materials:

(1R,2R,4S,6S)-2-(diphenyl-t-butylsilyloxy)bicyclo<2.2.2>octan-6-ol