N-[[9-(5'-O-(4,4'-dimethoxytrityl)-β-D-ribofuranosyl)-2-(methylthio)purin-6-yl]carbamoyl]-O-tert-butyldimethylsilyl-L-threonine 2-(4-nitrophenyl)ethyl ester

Base Information

• Chemical Name: N-[[9-(5'-O-(4,4'-dimethoxytrityl)-β-D-ribofuranosyl)-2-(methylthio)purin-6-yl]carbamoyl]-O-tert-butyldimethylsilyl-L-threonine 2-(4-nitrophenyl)ethyl ester
• CAS No.: 445417-52-7
• Molecular Formula: C₅₁H₆₁N₇O₁₂SSi
• Molecular Weight: 1024.24
• Mol file: 445417-52-7.mol

Synonyms:N-[[9-(5'-O-(4,4'-dimethoxytrityl)-β-D-ribofuranosyl)-2-(methylthio)purin-6-yl]carbamoyl]-O-tert-butyldimethylsilyl-L-threonine 2-(4-nitrophenyl)ethyl ester

Chemical Property of N-[[9-(5'-O-(4,4'-dimethoxytrityl)-β-D-ribofuranosyl)-2-(methylthio)purin-6-yl]carbamoyl]-O-tert-butyldimethylsilyl-L-threonine 2-(4-nitrophenyl)ethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of N-[[9-(5'-O-(4,4'-dimethoxytrityl)-β-D-ribofuranosyl)-2-(methylthio)purin-6-yl]carbamoyl]-O-tert-butyldimethylsilyl-L-threonine 2-(4-nitrophenyl)ethyl ester

There total 8 articles about N-[[9-(5'-O-(4,4'-dimethoxytrityl)-β-D-ribofuranosyl)-2-(methylthio)purin-6-yl]carbamoyl]-O-tert-butyldimethylsilyl-L-threonine 2-(4-nitrophenyl)ethyl 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: 63.0%

4,4'-dimethoxytrityl chloride (40615-36-9) + N-[[9-(β-D-ribofuranosyl)-2-(methylthio)purin-6-yl]carbamoyl]-O-tert-butyldimethylsilyl-L-threonine 2-(4-nitrophenyl)ethyl ester (445417-51-6) → N-[[9-(5'-O-(4,4'-dimethoxytrityl)-β-D-ribofuranosyl)-2-(methylthio)purin-6-yl]carbamoyl]-O-tert-butyldimethylsilyl-L-threonine 2-(4-nitrophenyl)ethyl ester (445417-52-7)

Guidance literature:

With pyridine; at 25 ℃; for 16h;

DOI:10.1021/jo025826t

Reference yield:

1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose (6974-32-9) → N-[[9-(5'-O-(4,4'-dimethoxytrityl)-β-D-ribofuranosyl)-2-(methylthio)purin-6-yl]carbamoyl]-O-tert-butyldimethylsilyl-L-threonine 2-(4-nitrophenyl)ethyl ester (445417-52-7)

Guidance literature:

Multi-step reaction with 7 steps

1: 48 percent / SnCl₄ / nitromethane / 16 h / 20 °C

2: 92 percent / sodium methoxide / methanol / 4 h / 25 °C

3: 86 percent / pyridine / 4 h / 0 °C

4: dioxane / 16 h / 35 - 40 °C

5: 75 percent / pyridine / 12 h / 35 - 40 °C

6: 72 percent / ammonia / methanol / 2 h / 20 °C

7: 63 percent / pyridine / 16 h / 25 °C

With pyridine; ammonia; sodium methylate; tin(IV) chloride; In 1,4-dioxane; pyridine; methanol; nitromethane;

DOI:10.1021/jo025826t

Reference yield:

2′,3′,5′-tri-O-acetyl-2-methylthioadenosine (70255-65-1) → N-[[9-(5'-O-(4,4'-dimethoxytrityl)-β-D-ribofuranosyl)-2-(methylthio)purin-6-yl]carbamoyl]-O-tert-butyldimethylsilyl-L-threonine 2-(4-nitrophenyl)ethyl ester (445417-52-7)

Guidance literature:

Multi-step reaction with 4 steps

1: dioxane / 16 h / 35 - 40 °C

2: 75 percent / pyridine / 12 h / 35 - 40 °C

3: 72 percent / ammonia / methanol / 2 h / 20 °C

4: 63 percent / pyridine / 16 h / 25 °C

With pyridine; ammonia; In 1,4-dioxane; pyridine; methanol;

DOI:10.1021/jo025826t

upstream raw materials:

4,4'-dimethoxytrityl chloride

N-[[9-(β-D-ribofuranosyl)-2-(methylthio)purin-6-yl]carbamoyl]-O-tert-butyldimethylsilyl-L-threonine 2-(4-nitrophenyl)ethyl ester

1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose

2′,3′,5′-tri-O-acetyl-2-methylthioadenosine

Downstream raw materials:

N-[[9-(2'-O-tert-butyldimethylsilyl-5'-O-(4,4'-dimethoxytrityl)-β-D-ribofuranosyl)-2-(methylthio)purin-6-yl]carbamoyl]-O-tert-butyldimethylsilyl-L-threonine 2-(4-nitrophenyl)ethyl ester