O⁶-[2-(4-nitrophenyl)ethyl]-N²-[2-(4-nitrophenyl)ethoxycarbonyl]-9-{5-O-(4,4'-dimethoxytrityl)-2-O-[2-(4-nitrophenyl)ethoxycarbonyl]-α-D-arabinofuranosyl}guanine

Base Information

• Chemical Name: O⁶-[2-(4-nitrophenyl)ethyl]-N²-[2-(4-nitrophenyl)ethoxycarbonyl]-9-{5-O-(4,4'-dimethoxytrityl)-2-O-[2-(4-nitrophenyl)ethoxycarbonyl]-α-D-arabinofuranosyl}guanine
• CAS No.: 917376-87-5
• Molecular Formula: C₅₇H₅₂N₈O₁₇
• Molecular Weight: 1121.08

Synonyms:O⁶-[2-(4-nitrophenyl)ethyl]-N²-[2-(4-nitrophenyl)ethoxycarbonyl]-9-{5-O-(4,4'-dimethoxytrityl)-2-O-[2-(4-nitrophenyl)ethoxycarbonyl]-α-D-arabinofuranosyl}guanine

Chemical Property of O⁶-[2-(4-nitrophenyl)ethyl]-N²-[2-(4-nitrophenyl)ethoxycarbonyl]-9-{5-O-(4,4'-dimethoxytrityl)-2-O-[2-(4-nitrophenyl)ethoxycarbonyl]-α-D-arabinofuranosyl}guanine

Chemical Property:

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Technology Process of O⁶-[2-(4-nitrophenyl)ethyl]-N²-[2-(4-nitrophenyl)ethoxycarbonyl]-9-{5-O-(4,4'-dimethoxytrityl)-2-O-[2-(4-nitrophenyl)ethoxycarbonyl]-α-D-arabinofuranosyl}guanine

There total 12 articles about O⁶-[2-(4-nitrophenyl)ethyl]-N²-[2-(4-nitrophenyl)ethoxycarbonyl]-9-{5-O-(4,4'-dimethoxytrityl)-2-O-[2-(4-nitrophenyl)ethoxycarbonyl]-α-D-arabinofuranosyl}guanine 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: 88.0%

O6-[2-(4-nitrophenyl)ethyl]-N2-[2-(4-nitrophenyl)ethoxycarbonyl]-9-{2-O-[2-(4-nitrophenyl)ethoxycarbonyl]-α-D-arabinofuranosyl}guanine (917376-84-2) + 4,4'-dimethoxytrityl chloride (40615-36-9) → O6-[2-(4-nitrophenyl)ethyl]-N2-[2-(4-nitrophenyl)ethoxycarbonyl]-9-{5-O-(4,4'-dimethoxytrityl)-2-O-[2-(4-nitrophenyl)ethoxycarbonyl]-α-D-arabinofuranosyl}guanine (917376-87-5)

Guidance literature:

With pyridine; at 20 ℃; for 20h;

DOI:10.1080/15257770500267113

Reference yield:

2-(4-nitrophenyl)ethanol (100-27-6) → O6-[2-(4-nitrophenyl)ethyl]-N2-[2-(4-nitrophenyl)ethoxycarbonyl]-9-{5-O-(4,4'-dimethoxytrityl)-2-O-[2-(4-nitrophenyl)ethoxycarbonyl]-α-D-arabinofuranosyl}guanine (917376-87-5)

Guidance literature:

Multi-step reaction with 10 steps

1: 80 percent / triphenylphosphine; ethyl azodicarboxylate / dioxane / 24 h

2: 69 percent / HCl / methanol / 48 h / 20 °C

3: CH₂Cl₂ / 2 h / 80 °C

4: 14.6 g / trimethylsilyl trifluorosulfonate / toluene / 8 h / 80 °C

5: 93 percent / pyridine / 48 h / cooling

6: 81 percent / NH₃ / H₂O; methanol; dioxane / 48 h / 20 °C

7: 83 percent / pyridine / 24 h / 20 °C

8: 94 percent / 4-dimethylaminopyridine / CH₂Cl₂ / 18 h / 5 °C

9: 80 percent / AcOH; TBAF*3H₂O / tetrahydrofuran / 3 h / 20 °C

10: 88 percent / pyridine / 20 h / 20 °C

With pyridine; hydrogenchloride; dmap; ethyl azodicarboxylate; trimethylsilyl trifluorosulfonate; tetrabutyl ammonium fluoride; ammonia; acetic acid; triphenylphosphine; In tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; toluene;

DOI:10.1080/15257770500267113

Reference yield:

2,9-diacetylguanine (3056-33-5) → O6-[2-(4-nitrophenyl)ethyl]-N2-[2-(4-nitrophenyl)ethoxycarbonyl]-9-{5-O-(4,4'-dimethoxytrityl)-2-O-[2-(4-nitrophenyl)ethoxycarbonyl]-α-D-arabinofuranosyl}guanine (917376-87-5)

Guidance literature:

Multi-step reaction with 10 steps

1: 80 percent / triphenylphosphine; ethyl azodicarboxylate / dioxane / 24 h

2: 69 percent / HCl / methanol / 48 h / 20 °C

3: CH₂Cl₂ / 2 h / 80 °C

4: 14.6 g / trimethylsilyl trifluorosulfonate / toluene / 8 h / 80 °C

5: 93 percent / pyridine / 48 h / cooling

6: 81 percent / NH₃ / H₂O; methanol; dioxane / 48 h / 20 °C

7: 83 percent / pyridine / 24 h / 20 °C

8: 94 percent / 4-dimethylaminopyridine / CH₂Cl₂ / 18 h / 5 °C

9: 80 percent / AcOH; TBAF*3H₂O / tetrahydrofuran / 3 h / 20 °C

10: 88 percent / pyridine / 20 h / 20 °C

With pyridine; hydrogenchloride; dmap; ethyl azodicarboxylate; trimethylsilyl trifluorosulfonate; tetrabutyl ammonium fluoride; ammonia; acetic acid; triphenylphosphine; In tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; toluene;

DOI:10.1080/15257770500267113

upstream raw materials:

O⁶-[2-(4-nitrophenyl)ethyl]-N²-[2-(4-nitrophenyl)ethoxycarbonyl]-9-{2-O-[2-(4-nitrophenyl)ethoxycarbonyl]-α-D-arabinofuranosyl}guanine

4,4'-dimethoxytrityl chloride

O⁶-[2-(4-nitrophenyl)ethyl]-N²-[2-(4-nitrophenyl)ethoxycarbonyl]-9-(α-D-arabinofuranosyl)guanine

O⁶-[2-(4-nitrophenyl)ethyl]-9-(2,3,5-tri-O-benzoyl-α-D-arabinofuranosyl)guanine

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