N⁴-benzoyl-1-[(2R,3R,4R,5R)-3-acetoxy-4-acetoxymethyl-5-(2-tertbutyldiphenylsilyloxyethyl)tetrahydrofuran-2-yl]cytosine

Base Information

• Chemical Name: N⁴-benzoyl-1-[(2R,3R,4R,5R)-3-acetoxy-4-acetoxymethyl-5-(2-tertbutyldiphenylsilyloxyethyl)tetrahydrofuran-2-yl]cytosine
• CAS No.: 441044-57-1
• Molecular Formula: C₃₈H₄₃N₃O₈Si
• Molecular Weight: 697.86

Synonyms:N⁴-benzoyl-1-[(2R,3R,4R,5R)-3-acetoxy-4-acetoxymethyl-5-(2-tertbutyldiphenylsilyloxyethyl)tetrahydrofuran-2-yl]cytosine

Chemical Property of N⁴-benzoyl-1-[(2R,3R,4R,5R)-3-acetoxy-4-acetoxymethyl-5-(2-tertbutyldiphenylsilyloxyethyl)tetrahydrofuran-2-yl]cytosine

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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Technology Process of N⁴-benzoyl-1-[(2R,3R,4R,5R)-3-acetoxy-4-acetoxymethyl-5-(2-tertbutyldiphenylsilyloxyethyl)tetrahydrofuran-2-yl]cytosine

There total 5 articles about N⁴-benzoyl-1-[(2R,3R,4R,5R)-3-acetoxy-4-acetoxymethyl-5-(2-tertbutyldiphenylsilyloxyethyl)tetrahydrofuran-2-yl]cytosine 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:

4-N-benzoylcytosine (26661-13-2) + methyl-3,5-dideoxy-2-acetyl-3-acetoxymethyl-6-tertbutyldiphenylsilyl-1-O-β-D-allofuranoside → N4-benzoyl-1-[(2R,3R,4R,5R)-3-acetoxy-4-acetoxymethyl-5-(2-tertbutyldiphenylsilyloxyethyl)tetrahydrofuran-2-yl]cytosine (441044-57-1)

Guidance literature:

4-N-benzoylcytosine; methyl-3,5-dideoxy-2-acetyl-3-acetoxymethyl-6-tertbutyldiphenylsilyl-1-O-β-D-allofuranoside; With N-methyl-N-trimethylsilyl-2,2,2-trifluoroacetamide; In acetonitrile; for 0.5h;

With tin(IV) chloride; In acetonitrile; at 20 ℃; for 0.5h; Further stages.;

DOI:10.1021/jo0003910

Reference yield:

Benzoic acid (2R,3S,4R)-4-hydroxy-2-(2-hydroxy-ethyl)-5-methoxy-tetrahydro-furan-3-ylmethyl ester (441044-21-9) → N4-benzoyl-1-[(2R,3R,4R,5R)-3-acetoxy-4-acetoxymethyl-5-(2-tertbutyldiphenylsilyloxyethyl)tetrahydrofuran-2-yl]cytosine (441044-57-1)

Guidance literature:

Multi-step reaction with 4 steps

1.1: imidazole; acetic acid / dimethylformamide / 0.83 h

2.1: NaOH / methanol; H₂O

3.1: 21.90 g / 4-dimethylaminopyridine; triethylamine / tetrahydrofuran; methanol / 1.17 h

4.1: N-methyl-N-trimethylsilyltrifluoroacetamide / acetonitrile / 0.5 h

4.2: SnCl₄ / acetonitrile / 0.5 h / 20 °C

With 1H-imidazole; dmap; sodium hydroxide; N-methyl-N-trimethylsilyl-2,2,2-trifluoroacetamide; acetic acid; triethylamine; In tetrahydrofuran; methanol; water; N,N-dimethyl-formamide; acetonitrile; 4.1: Vorbrueggen reaction;

DOI:10.1021/jo0003910

Reference yield:

tert-butylchlorodiphenylsilane (58479-61-1) → N4-benzoyl-1-[(2R,3R,4R,5R)-3-acetoxy-4-acetoxymethyl-5-(2-tertbutyldiphenylsilyloxyethyl)tetrahydrofuran-2-yl]cytosine (441044-57-1)

Guidance literature:

Multi-step reaction with 4 steps

1.1: imidazole; acetic acid / dimethylformamide / 0.83 h

2.1: NaOH / methanol; H₂O

3.1: 21.90 g / 4-dimethylaminopyridine; triethylamine / tetrahydrofuran; methanol / 1.17 h

4.1: N-methyl-N-trimethylsilyltrifluoroacetamide / acetonitrile / 0.5 h

4.2: SnCl₄ / acetonitrile / 0.5 h / 20 °C

With 1H-imidazole; dmap; sodium hydroxide; N-methyl-N-trimethylsilyl-2,2,2-trifluoroacetamide; acetic acid; triethylamine; In tetrahydrofuran; methanol; water; N,N-dimethyl-formamide; acetonitrile; 4.1: Vorbrueggen reaction;

DOI:10.1021/jo0003910

upstream raw materials:

4-N-benzoylcytosine

Benzoic acid (2R,3S,4R)-4-hydroxy-2-(2-hydroxy-ethyl)-5-methoxy-tetrahydro-furan-3-ylmethyl ester

tert-butylchlorodiphenylsilane

methyl-3,5-dideoxy-6-tert-butyldiphenylsilyl-3-hydroxymethyl-1-O-D-allofuranoside

Downstream raw materials:

C₇₁H₇₁N₅O₁₁S₂

C₅₁H₅₅N₅O₁₁S₃

N-(1-{4-[bis-(4-methoxy-phenyl)-phenyl-methylsulfanylmethyl]-5-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-tetrahydro-furan-2-yl}-2-oxo-1,2-dihydro-pyrimidin-4-yl)-benzamide

Methanesulfonic acid 2-{(2R,3S,5R)-5-(4-benzoylamino-2-oxo-2H-pyrimidin-1-yl)-3-[bis-(4-methoxy-phenyl)-phenyl-methylsulfanylmethyl]-tetrahydro-furan-2-yl}-ethyl ester

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