7-(β-D-2,3-O-isopropylidene-5-O-tritylribofuranosyl)-4-thioxo-3H-pyrazolo<1,5-a>-1,3,5-triazine

Base Information

Chemical Name:7-(β-D-2,3-O-isopropylidene-5-O-tritylribofuranosyl)-4-thioxo-3H-pyrazolo<1,5-a>-1,3,5-triazine
CAS No.:92949-46-7
Molecular Formula:C₃₂H₃₀N₄O₄S
Molecular Weight:566.681
Hs Code.:

Synonyms:7-(β-D-2,3-O-isopropylidene-5-O-tritylribofuranosyl)-4-thioxo-3H-pyrazolo<1,5-a>-1,3,5-triazine

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Chemical Property of 7-(β-D-2,3-O-isopropylidene-5-O-tritylribofuranosyl)-4-thioxo-3H-pyrazolo<1,5-a>-1,3,5-triazine

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Technology Process of 7-(β-D-2,3-O-isopropylidene-5-O-tritylribofuranosyl)-4-thioxo-3H-pyrazolo<1,5-a>-1,3,5-triazine

There total 3 articles about 7-(β-D-2,3-O-isopropylidene-5-O-tritylribofuranosyl)-4-thioxo-3H-pyrazolo<1,5-a>-1,3,5-triazine 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: 50.0%

: 92949-42-3
3-amino-2N-thiocarbamoyl-4-(2,3-O-isopropylidene-5-O-trityl-β-D-ribofuranosyl)pyrazole

: 122-51-0
orthoformic acid triethyl ester

: 92949-46-7
7-(β-D-2,3-O-isopropylidene-5-O-tritylribofuranosyl)-4-thioxo-3H-pyrazolo<1,5-a>-1,3,5-triazine

Guidance literature:: at 85 - 90 ℃; for 2h;

Reference yield:

: 92949-41-2,92999-91-2
2-formyl-2-(2,3-O-isopropylidene-5-O-trityl-D-ribofuranosyl)acetonitrile thiosemicarbazone

: 92949-46-7
7-(β-D-2,3-O-isopropylidene-5-O-tritylribofuranosyl)-4-thioxo-3H-pyrazolo<1,5-a>-1,3,5-triazine

Guidance literature:: Multi-step reaction with 2 steps

1: 500 mg / 1.) 1 M sodium ethoxide; 2.) acetic acid / ethanol / 0.25 h / Ambient temperature

2: 50 percent / 2 h / 85 - 90 °C

With sodium ethanolate; acetic acid; In ethanol;

Reference yield:

: 77715-28-7
2-formyl-2-(2,3-O-isopropylidene-5-O-trityl-D-ribofuranosyl)acetonitrile

: 92949-46-7
7-(β-D-2,3-O-isopropylidene-5-O-tritylribofuranosyl)-4-thioxo-3H-pyrazolo<1,5-a>-1,3,5-triazine

Guidance literature:: Multi-step reaction with 3 steps

1: 80 percent / aq. ethanol; acetic acid / 0.5 h / 55 - 60 °C

2: 500 mg / 1.) 1 M sodium ethoxide; 2.) acetic acid / ethanol / 0.25 h / Ambient temperature

3: 50 percent / 2 h / 85 - 90 °C

With sodium ethanolate; acetic acid; In ethanol; acetic acid;