3(5)-carbomethoxy-4-(2,5-di-O-benzoyl-3-O-methanesulfonyl-β-D-ribofuranosyl)pyrazole

Base Information

Chemical Name:3(5)-carbomethoxy-4-(2,5-di-O-benzoyl-3-O-methanesulfonyl-β-D-ribofuranosyl)pyrazole
CAS No.:294664-46-3
Molecular Formula:C₂₅H₂₄N₂O₁₀S
Molecular Weight:544.539
Hs Code.:

Synonyms:3(5)-carbomethoxy-4-(2,5-di-O-benzoyl-3-O-methanesulfonyl-β-D-ribofuranosyl)pyrazole

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Chemical Property of 3(5)-carbomethoxy-4-(2,5-di-O-benzoyl-3-O-methanesulfonyl-β-D-ribofuranosyl)pyrazole

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Technology Process of 3(5)-carbomethoxy-4-(2,5-di-O-benzoyl-3-O-methanesulfonyl-β-D-ribofuranosyl)pyrazole

There total 6 articles about 3(5)-carbomethoxy-4-(2,5-di-O-benzoyl-3-O-methanesulfonyl-β-D-ribofuranosyl)pyrazole 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-((2S,3S,4R,5R)-3-Benzoyloxy-5-benzoyloxymethyl-4-methanesulfonyloxy-tetrahydro-furan-2-yl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid methyl ester

: 294664-46-3
3(5)-carbomethoxy-4-(2,5-di-O-benzoyl-3-O-methanesulfonyl-β-D-ribofuranosyl)pyrazole

Guidance literature:: With chlorine; In tetrachloromethane; dichloromethane; at 20 ℃; for 3h;
DOI:10.1016/S0040-4039(00)00894-7

Reference yield:

: 294664-45-2
C₂₄H₂₄O₁₀S

: 294664-46-3
3(5)-carbomethoxy-4-(2,5-di-O-benzoyl-3-O-methanesulfonyl-β-D-ribofuranosyl)pyrazole

Guidance literature:: Multi-step reaction with 2 steps

1: diethyl ether / 5 h / 0 °C

2: 0.41 g / Cl₂ / CH₂Cl₂; CCl₄ / 3 h / 20 °C

With chlorine; In tetrachloromethane; diethyl ether; dichloromethane;
DOI:10.1016/S0040-4020(01)01126-7

Reference yield:

: 157506-37-1
2,5-anhydro-4,6-di-O-benzoyl-3-O-methanesulfonyl-D-glucose ethylene acetal

: 294664-46-3
3(5)-carbomethoxy-4-(2,5-di-O-benzoyl-3-O-methanesulfonyl-β-D-ribofuranosyl)pyrazole

Guidance literature:: Multi-step reaction with 6 steps

1: H₂O; CaCO₃ / dimethylformamide / 20 h / 155 - 160 °C

2: pyridine / 48 h / 4 °C

3: CF₃CO₂H; HCl / H₂O / 24 h / 4 °C

4: CH₂Cl₂ / 24 h / 20 °C

5: diethyl ether / 5 h / 0 °C

6: Cl₂ / CCl₄; CH₂Cl₂ / 3 h / 20 °C

With pyridine; hydrogenchloride; water; chlorine; trifluoroacetic acid; calcium carbonate; In tetrachloromethane; diethyl ether; dichloromethane; water; N,N-dimethyl-formamide; 1: Substitution / 2: mesylation / 3: Ring cleavage / 4: Wittig reaction / 5: Cycloaddition / 6: Dehydrogenation;
DOI:10.1016/S0040-4039(00)00894-7