7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-6-oxopyrazolo<3,4-d>pyrimidine-4(1H,5H)-thione

Base Information

• Chemical Name: 7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-6-oxopyrazolo<3,4-d>pyrimidine-4(1H,5H)-thione
• CAS No.: 139004-04-9
• Molecular Formula: C₃₁H₂₄N₄O₈S
• Molecular Weight: 612.62

Synonyms:7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-6-oxopyrazolo<3,4-d>pyrimidine-4(1H,5H)-thione

Chemical Property of 7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-6-oxopyrazolo<3,4-d>pyrimidine-4(1H,5H)-thione

Chemical Property:

Purity/Quality:

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Technology Process of 7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-6-oxopyrazolo<3,4-d>pyrimidine-4(1H,5H)-thione

There total 3 articles about 7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-6-oxopyrazolo<3,4-d>pyrimidine-4(1H,5H)-thione 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: 68.0%

7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)pyrazolo<3,4-d>pyrimidine-4,6(1H,5H)-dione (139004-03-8) → 7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-6-oxopyrazolo<3,4-d>pyrimidine-4(1H,5H)-thione (139004-04-9)

Guidance literature:

With diphosphorus pentasulfide; In 1,4-dioxane; for 3h; Heating;

DOI:10.1002/jhet.5570280722

Reference yield:

oxypurinol (2465-59-0) → 7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-6-oxopyrazolo<3,4-d>pyrimidine-4(1H,5H)-thione (139004-04-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 1) 1,1,1,3,3,3-hexamethyldisilazane, (NH₄)2SO₄, pyridine, 2) TMS-triflate / 1) 3 h, reflux, 2) 1,2-dichloroethane, 6 h, r.t.

2: 68 percent / phosphorus pentasulfide / dioxane / 3 h / Heating

With pyridine; diphosphorus pentasulfide; ammonium sulfate; trimethylsilyl trifluoromethanesulfonate; 1,1,1,3,3,3-hexamethyl-disilazane; In 1,4-dioxane;

DOI:10.1002/jhet.5570280722

Reference yield:

1-O-acetyl-2,3,5-tri-O-benzoyl-D-ribofuranose (14215-97-5) → 7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-6-oxopyrazolo<3,4-d>pyrimidine-4(1H,5H)-thione (139004-04-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 1) 1,1,1,3,3,3-hexamethyldisilazane, (NH₄)2SO₄, pyridine, 2) TMS-triflate / 1) 3 h, reflux, 2) 1,2-dichloroethane, 6 h, r.t.

2: 68 percent / phosphorus pentasulfide / dioxane / 3 h / Heating

With pyridine; diphosphorus pentasulfide; ammonium sulfate; trimethylsilyl trifluoromethanesulfonate; 1,1,1,3,3,3-hexamethyl-disilazane; In 1,4-dioxane;

DOI:10.1002/jhet.5570280722

upstream raw materials:

7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)pyrazolo<3,4-d>pyrimidine-4,6(1H,5H)-dione

oxypurinol

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

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