3'-O-tert-butyldiphenylsilyl-5'-deoxy-5'-(2,2-dibromoethenyl)thymidine

Base Information

• Chemical Name: 3'-O-tert-butyldiphenylsilyl-5'-deoxy-5'-(2,2-dibromoethenyl)thymidine
• CAS No.: 1379761-85-9
• Molecular Formula: C₂₈H₃₂Br₂N₂O₄Si
• Molecular Weight: 648.467
• Mol file: 1379761-85-9.mol

Synonyms:3'-O-tert-butyldiphenylsilyl-5'-deoxy-5'-(2,2-dibromoethenyl)thymidine

Chemical Property of 3'-O-tert-butyldiphenylsilyl-5'-deoxy-5'-(2,2-dibromoethenyl)thymidine

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3'-O-tert-butyldiphenylsilyl-5'-deoxy-5'-(2,2-dibromoethenyl)thymidine

There total 1 articles about 3'-O-tert-butyldiphenylsilyl-5'-deoxy-5'-(2,2-dibromoethenyl)thymidine 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:

3'-O-tert-butyldiphenylsilyl-5'-deoxy-5'-methylenethymidine → 3'-O-tert-butyldiphenylsilyl-5'-deoxy-5'-(2,2-dibromoethenyl)thymidine (1379761-85-9)

Guidance literature:

Multi-step reaction with 3 steps

1.1: 9-bora-bicyclo[3.3.1]nonane / tetrahydrofuran / 20 h / 0 - 20 °C

1.2: 30 h / 0 - 20 °C

2.1: Dess-Martin periodane / dichloromethane / 3 h / 20 °C

3.1: zinc / 1,3-dioxane / 3 h / Reflux

With Dess-Martin periodane; 9-bora-bicyclo[3.3.1]nonane; zinc; In tetrahydrofuran; 1,3-dioxane; dichloromethane; 1.1: Hydroboration reaction;

DOI:10.1002/ejoc.201101700

Reference yield: 77.0%

3'-O-tert-butyldiphenylsilyl-5'-deoxy-5'-(2,2-dibromoethenyl)thymidine (1379761-85-9) → 3'-O-tert-butyldiphenylsilyl-5'-deoxy-5'-ethynylthymidine (1379761-86-0)

Guidance literature:

With n-butyllithium; In tetrahydrofuran; hexane; at -70 ℃; for 0.5h;

DOI:10.1002/ejoc.201101700

Reference yield:

3'-O-tert-butyldiphenylsilyl-5'-deoxy-5'-(2,2-dibromoethenyl)thymidine (1379761-85-9) → 4-[3'-O-(tert-butyldiphenylsilyl)-5'-deoxythymidin-5'-yl]-1-[3'-deoxy-5'-O-(4,4'-dimethoxytrityl)thymidin-3'-yl]-1H-1,2,3-triazole (1379761-87-1)

Guidance literature:

Multi-step reaction with 2 steps

1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -70 °C

2: sodium 2-(1,2-dihydroxyethyl)-4-hydroxy-5-oxo-2,5-dihydro-furan-3-olate; copper(ll) sulfate pentahydrate / dichloromethane; water / 2 h / 20 °C

With n-butyllithium; copper(ll) sulfate pentahydrate; sodium 2-(1,2-dihydroxyethyl)-4-hydroxy-5-oxo-2,5-dihydro-furan-3-olate; In tetrahydrofuran; hexane; dichloromethane; water;

DOI:10.1002/ejoc.201101700

Downstream raw materials:

3'-O-tert-butyldiphenylsilyl-5'-deoxy-5'-ethynylthymidine

4-[3'-O-(tert-butyldiphenylsilyl)-5'-deoxythymidin-5'-yl]-1-[3'-deoxy-5'-O-(4,4'-dimethoxytrityl)thymidin-3'-yl]-1H-1,2,3-triazole

1-[3'-deoxy-5'-O-(4,4'-dimethoxytrityl)thymidin-3'-yl]-4-(5'-deoxythymidin-5'-yl)-1H-1,2,3-triazole

4-{3'-deoxy-3'-[(2-cyanoethoxy)(diisopropylamino)phosphanyloxy]-5'-deoxythymidin-5'-yl}-1-[3'-deoxy-5'-O-(4,4'-dimethoxytrityl)thymidin-3'-yl]-1H-1,2,3-triazole