Acetic acid (1R,2R,7R,8S,9S)-9-cyano-6-methoxy-7-(2-nitro-benzenesulfonyl)-4-trimethylsilanyloxy-11-oxa-tricyclo[6.2.1.0^2,7]undec-4-en-9-yl ester

Base Information

• Chemical Name: Acetic acid (1R,2R,7R,8S,9S)-9-cyano-6-methoxy-7-(2-nitro-benzenesulfonyl)-4-trimethylsilanyloxy-11-oxa-tricyclo[6.2.1.0^2,7]undec-4-en-9-yl ester
• CAS No.: 105205-35-4
• Molecular Formula: C₂₃H₂₈N₂O₉SSi
• Molecular Weight: 536.635

Synonyms:

Chemical Property of Acetic acid (1R,2R,7R,8S,9S)-9-cyano-6-methoxy-7-(2-nitro-benzenesulfonyl)-4-trimethylsilanyloxy-11-oxa-tricyclo[6.2.1.0^2,7]undec-4-en-9-yl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Acetic acid (1R,2R,7R,8S,9S)-9-cyano-6-methoxy-7-(2-nitro-benzenesulfonyl)-4-trimethylsilanyloxy-11-oxa-tricyclo[6.2.1.0^2,7]undec-4-en-9-yl ester

There total 4 articles about Acetic acid (1R,2R,7R,8S,9S)-9-cyano-6-methoxy-7-(2-nitro-benzenesulfonyl)-4-trimethylsilanyloxy-11-oxa-tricyclo[6.2.1.0^2,7]undec-4-en-9-yl ester 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:

2-endo-acetoxy-7-oxabicyclo<2.2.1>hept-5-ene-2-exo-carbonitrile (79902-01-5,84120-97-8,84120-98-9,84424-28-2,94482-74-3,105497-65-2,120056-66-8,148346-15-0) → Acetic acid (1R,2R,7R,8S,9S)-9-cyano-6-methoxy-7-(2-nitro-benzenesulfonyl)-4-trimethylsilanyloxy-11-oxa-tricyclo[6.2.1.02,7]undec-4-en-9-yl ester (105205-35-4)

Guidance literature:

Multi-step reaction with 4 steps

1: 95.6 percent / CHCl₃ / 288 h / Ambient temperature

2: 99 percent / m-CPBA / CHCl₃ / 3 h / 0 °C

3: 96 percent / 1,8-diazabicyclo<4.5.0>undec-7-ene / CHCl₃ / 0.33 h / 0 °C

4: hydroquinone / acetonitrile / 2 h / 75 °C

With 1,8-diazabicyclo[5.4.0]undec-7-ene; hydroquinone; 3-chloro-benzenecarboperoxoic acid; In chloroform; acetonitrile;

DOI:10.1021/jo00376a054

Reference yield:

2-nitrobenzenesulfenyl chloride (7669-54-7) → Acetic acid (1R,2R,7R,8S,9S)-9-cyano-6-methoxy-7-(2-nitro-benzenesulfonyl)-4-trimethylsilanyloxy-11-oxa-tricyclo[6.2.1.02,7]undec-4-en-9-yl ester (105205-35-4)

Guidance literature:

Multi-step reaction with 4 steps

1: 95.6 percent / CHCl₃ / 288 h / Ambient temperature

2: 99 percent / m-CPBA / CHCl₃ / 3 h / 0 °C

3: 96 percent / 1,8-diazabicyclo<4.5.0>undec-7-ene / CHCl₃ / 0.33 h / 0 °C

4: hydroquinone / acetonitrile / 2 h / 75 °C

With 1,8-diazabicyclo[5.4.0]undec-7-ene; hydroquinone; 3-chloro-benzenecarboperoxoic acid; In chloroform; acetonitrile;

DOI:10.1021/jo00376a054

Reference yield:

2-endo-acetoxy-5-endo-chloro-6-exo-(2-nitrobenzenesulfenyl)-7-oxabicyclo<2.2.1>heptane-2-exo-carbonitrile (105183-22-0) → Acetic acid (1R,2R,7R,8S,9S)-9-cyano-6-methoxy-7-(2-nitro-benzenesulfonyl)-4-trimethylsilanyloxy-11-oxa-tricyclo[6.2.1.02,7]undec-4-en-9-yl ester (105205-35-4)

Guidance literature:

Multi-step reaction with 3 steps

1: 99 percent / m-CPBA / CHCl₃ / 3 h / 0 °C

2: 96 percent / 1,8-diazabicyclo<4.5.0>undec-7-ene / CHCl₃ / 0.33 h / 0 °C

3: hydroquinone / acetonitrile / 2 h / 75 °C

With 1,8-diazabicyclo[5.4.0]undec-7-ene; hydroquinone; 3-chloro-benzenecarboperoxoic acid; In chloroform; acetonitrile;

DOI:10.1021/jo00376a054

upstream raw materials:

2-endo-acetoxy-7-oxabicyclo<2.2.1>hept-5-ene-2-exo-carbonitrile

2-nitrobenzenesulfenyl chloride

2-endo-acetoxy-5-endo-chloro-6-exo-(2-nitrobenzenesulfenyl)-7-oxabicyclo<2.2.1>heptane-2-exo-carbonitrile

2-endo-acetoxy-5-endo-chloro-6-exo-(2-nitrobenzenesulfonyl)-7-oxabicyclo<2.2.1>heptane-2-exo-carbonitrile

Downstream raw materials:

(1RS,2RS,7RS,8SR,9SR)-9-acetoxy-4-oxo-6-methoxy-7-(2-nitrobenzenesulfonyl)-11-oxatricyclo<6.2.1.0^2,7>undecane-2-carbonitrile

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