N²-isobutyryl-2'-O-p-toluenesulfonyl-3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disiloxanyl)guanosine

Base Information

• Chemical Name: N²-isobutyryl-2'-O-p-toluenesulfonyl-3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disiloxanyl)guanosine
• CAS No.: 132471-94-4
• Molecular Formula: C₃₃H₅₁N₅O₉SSi₂
• Molecular Weight: 750.033

Synonyms:N²-isobutyryl-2'-O-p-toluenesulfonyl-3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disiloxanyl)guanosine

Chemical Property of N²-isobutyryl-2'-O-p-toluenesulfonyl-3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disiloxanyl)guanosine

Chemical Property:

Purity/Quality:

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Technology Process of N²-isobutyryl-2'-O-p-toluenesulfonyl-3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disiloxanyl)guanosine

There total 4 articles about N²-isobutyryl-2'-O-p-toluenesulfonyl-3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disiloxanyl)guanosine 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:

N2-isobutyryl-2'-deoxyguanosine (64350-24-9) → N2-isobutyryl-2'-O-p-toluenesulfonyl-3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disiloxanyl)guanosine (132471-94-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 61 g / pyridine / 20 °C

2: 40 g / DMAP / CH₂Cl₂ / 3 h

With pyridine; dmap; In dichloromethane;

DOI:10.1081/NCN-120027826

Reference yield:

1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane (69304-37-6) → N2-isobutyryl-2'-O-p-toluenesulfonyl-3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disiloxanyl)guanosine (132471-94-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 61 g / pyridine / 20 °C

2: 40 g / DMAP / CH₂Cl₂ / 3 h

With pyridine; dmap; In dichloromethane;

DOI:10.1081/NCN-120027826

Reference yield:

G (118-00-3) → N2-isobutyryl-2'-O-p-toluenesulfonyl-3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disiloxanyl)guanosine (132471-94-4)

Guidance literature:

Multi-step reaction with 3 steps

1.1: trimethylchlorosilane; pyridine / 1 h / 20 °C

1.2: 20 h

1.3: ammonium hydroxide; pyridine

2.1: 61 g / pyridine / 20 °C

3.1: 40 g / DMAP / CH₂Cl₂ / 3 h

With pyridine; dmap; chloro-trimethyl-silane; In dichloromethane;

DOI:10.1081/NCN-120027826

upstream raw materials:

3',5'-O-(1,1,3,3-tetraisopropyldisiloxan-1,3-diyl)-N₂-isobutyrylguanosine

p-toluenesulfonyl chloride

N²-isobutyryl-2'-deoxyguanosine

1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane

Downstream raw materials:

5'-O-dimethoxytrityl-N-isobutyryldeoxyguanosine

5'-dimethoxytrityl-2'-tosyl-N₂-isobutyrylguanosine

N²-isobutyryl-5'-(4,4'-dimethoxytrityl)-3'-mesyl-2',3'-dideoxyxyloguanosine

3'-azido-5'-O-(4,4'-dimethoxytrityl)-N₂-isobutyryl-2',3'-dideoxyguanosine

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