8-methyl-2-phenyl-5-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-2H-pyrazolo[4,3-c]quinolin-3(5H)-one

Base Information

Chemical Name:8-methyl-2-phenyl-5-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-2H-pyrazolo[4,3-c]quinolin-3(5H)-one
CAS No.:774585-85-2
Molecular Formula:C₄₃H₃₃N₃O₈
Molecular Weight:719.75
Hs Code.:

Synonyms:8-methyl-2-phenyl-5-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-2H-pyrazolo[4,3-c]quinolin-3(5H)-one

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Chemical Property of 8-methyl-2-phenyl-5-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-2H-pyrazolo[4,3-c]quinolin-3(5H)-one

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Technology Process of 8-methyl-2-phenyl-5-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-2H-pyrazolo[4,3-c]quinolin-3(5H)-one

There total 4 articles about 8-methyl-2-phenyl-5-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-2H-pyrazolo[4,3-c]quinolin-3(5H)-one 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: 88.0%

: 6974-32-9
1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose

: 77779-90-9
8-methyl-2-phenyl-2H-pyrazolo[4,3-c]quinolin-3(5H)-one

: 774585-85-2
8-methyl-2-phenyl-5-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-2H-pyrazolo[4,3-c]quinolin-3(5H)-one

Guidance literature:: 8-methyl-2-phenyl-2H-pyrazolo[4,3-c]quinolin-3(5H)-one; With chloro-trimethyl-silane; bis(trimethylsilyl)trifluoroacetamide; at 110 - 120 ℃; for 5h;

1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose; With trimethylsilyl trifluoromethanesulfonate; In acetonitrile; at 20 ℃;
DOI:10.1081/NCN-120038009

Reference yield:

: 100-63-0
phenylhydrazine

: 774585-85-2
8-methyl-2-phenyl-5-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-2H-pyrazolo[4,3-c]quinolin-3(5H)-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: toluene / 3 h

1.2: 78 percent / acetic acid / 2 h / Heating

2.1: bis(trimethylsilyl)trifluoroacetamide; TMSCl / 5 h / 110 - 120 °C

2.2: 88 percent / trimethylsilyltrifluoromethanesulfonate / acetonitrile / 20 °C

With chloro-trimethyl-silane; bis(trimethylsilyl)trifluoroacetamide; In toluene;
DOI:10.1081/NCN-120038009

Reference yield:

: 79607-24-2,85418-82-2
6-methyl-4-carbonylquinoline-3-carboxylic acid ethyl ester

: 774585-85-2
8-methyl-2-phenyl-5-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-2H-pyrazolo[4,3-c]quinolin-3(5H)-one

Guidance literature:: Multi-step reaction with 3 steps

1.1: thionyl chloride / 17 h / Heating

2.1: toluene / 3 h

2.2: 78 percent / acetic acid / 2 h / Heating

3.1: bis(trimethylsilyl)trifluoroacetamide; TMSCl / 5 h / 110 - 120 °C

3.2: 88 percent / trimethylsilyltrifluoromethanesulfonate / acetonitrile / 20 °C

With chloro-trimethyl-silane; thionyl chloride; bis(trimethylsilyl)trifluoroacetamide; In toluene;
DOI:10.1081/NCN-120038009