(1R,3R,4R,5R,7RS)-1-phenyl-3-(tert-butyldiphenylsilyloxymethyl)-4,7-diacetoxy-2,6-dioxabicylco[3.3.0]octane

Base Information

• Chemical Name: (1R,3R,4R,5R,7RS)-1-phenyl-3-(tert-butyldiphenylsilyloxymethyl)-4,7-diacetoxy-2,6-dioxabicylco[3.3.0]octane
• CAS No.: 389633-40-3
• Molecular Formula: C₃₃H₃₈O₇Si
• Molecular Weight: 574.746
• Mol file: 389633-40-3.mol

Synonyms:(1R,3R,4R,5R,7RS)-1-phenyl-3-(tert-butyldiphenylsilyloxymethyl)-4,7-diacetoxy-2,6-dioxabicylco[3.3.0]octane

Chemical Property of (1R,3R,4R,5R,7RS)-1-phenyl-3-(tert-butyldiphenylsilyloxymethyl)-4,7-diacetoxy-2,6-dioxabicylco[3.3.0]octane

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (1R,3R,4R,5R,7RS)-1-phenyl-3-(tert-butyldiphenylsilyloxymethyl)-4,7-diacetoxy-2,6-dioxabicylco[3.3.0]octane

There total 11 articles about (1R,3R,4R,5R,7RS)-1-phenyl-3-(tert-butyldiphenylsilyloxymethyl)-4,7-diacetoxy-2,6-dioxabicylco[3.3.0]octane 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: 90.0%

acetic anhydride (108-24-7) + (3aS,5R,6R,6aR)-5-(tert-Butyl-diphenyl-silanyloxymethyl)-3a-phenyl-hexahydro-furo[3,2-b]furan-2,6-diol → (1R,3R,4R,5R,7RS)-1-phenyl-3-(tert-butyldiphenylsilyloxymethyl)-4,7-diacetoxy-2,6-dioxabicylco[3.3.0]octane (389633-40-3)

Guidance literature:

With pyridine; at 20 ℃; for 39h;

DOI:10.1021/ja037211z

Reference yield:

[6-(tert-butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-4-phenyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl]-acetaldehyde → (1R,3R,4R,5R,7RS)-1-phenyl-3-(tert-butyldiphenylsilyloxymethyl)-4,7-diacetoxy-2,6-dioxabicylco[3.3.0]octane (389633-40-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 269 mg / aq. H₂SO₄ / tetrahydrofuran / 6 h / 60 °C

2: 90 percent / pyridine / 39 h / 20 °C

With pyridine; sulfuric acid; In tetrahydrofuran;

DOI:10.1021/ja037211z

Reference yield:

(1R,5R,6RS,8R)-3,3-dimethyl-6-phenyl-6-(2'-propenyl)-8-(tert-butyldiphenylsilyloxymethyl)-2,4,7-trioxabicyclo[3.3.0]octane → (1R,3R,4R,5R,7RS)-1-phenyl-3-(tert-butyldiphenylsilyloxymethyl)-4,7-diacetoxy-2,6-dioxabicylco[3.3.0]octane (389633-40-3)

Guidance literature:

Multi-step reaction with 3 steps

1: OsO₄; NaIO₄; pyridine / 30 h / 20 °C

2: 269 mg / aq. H₂SO₄ / tetrahydrofuran / 6 h / 60 °C

3: 90 percent / pyridine / 39 h / 20 °C

With pyridine; sodium periodate; osmium(VIII) oxide; sulfuric acid; In tetrahydrofuran;

DOI:10.1021/ja037211z

upstream raw materials:

acetic anhydride

2,3-O-isopropylidene-D-ribofuranose

5-Acetyl-2,3-O-isopropyliden-D-ribonolactone

5-O-(tert-butyldiphenylsilyl)-2,3-O-isopropylidene-1-phenyl-D-ribofuranose

Downstream raw materials:

(1'S,3'R,4'R,5'R,7'R)-N⁴-benzoyl-1-{4'-acetoxy-1'-phenyl-3'-(tert-butyldiphenylsilyloxymethyl)-2',6'-dioxabicyclo[3.3.0]oct-7'-yl}-5-methylcytosine

(1'S,3'R,4'R,5'R,7'S)-N⁴-benzoyl-1-{4'-acetoxy-1'-phenyl-3'-(tert-butyldiphenylsilyloxymethyl)-2',6'-dioxabicyclo[3.3.0]oct-7'-yl}-5-methylcytosine

(1S',3'R,4'R,5'R,7'R)-{4'-acetoxy-1'-phenyl-3'-(tert-butyldiphenylsilyloxymethyl)-2',6'-dioxabicyclo[3.3.0]oct-7'-yl}thymine

(1S',3'R,4'R,5'R,7'S)-{4'-acetoxy-1'-phenyl-3'-(tert-butyldiphenylsilyloxymethyl)-2',6'-dioxabicyclo[3.3.0]oct-7'-yl}thymine