79504-07-7

Upstream product

• 79519-72-5 1-(2,4-dinitrophenyl)-3-(1-O-methylsulphonyl-2,3:4,5-di-O-isopropylidene-D-gulo-pentahydroxypentyl)pyrazole 
• 76491-04-8 3-(2,3:4,5-di-O-isopropylidene-D-gulo-pentahydroxypentyl)pyrazole 
• 76491-05-9 3⁽⁵⁾-(1,2:3,4-di-O-isopropylidene-D-pentahydroxypentyl)pyrazole 
• 79504-05-5 1,2-dideoxy-1,1,2,2-tetradehydro-4,5:7,8-di-O-isopropylidene-D-gulo-oct-3-ulose 
• 79504-11-3 3-(2,3:4,5-di-O-isopropylidene-D-ido-pentahydroxypentyl)pyrazole 
• 79504-10-2 3-(2,3:4,5-di-O-isopropylidene-1-oxo-D-xylo-tetrahydroxypentyl)pyrazole 
• 79504-20-4 3-(1-O-benzoyl-2,3:4,5-di-O-isopropylidene-D-gulo-pentahydroxypentyl)pyrazole 
• 67642-42-6 2,3,5,6-di-O-isopropylidene-D-gulono-1,4-lactone 
• 16838-89-4 2,3,5-tri-O-benzyl-D-ribofuranose 
• 65101-21-5 tri-O-benzyl-aldehydo-D-allo-4,7-anhydro-2,3-dideoxy-oct-2-ynose 
• 59967-95-2 3(5)-(2,3,5-tri-O-benzyl-β-D-ribofuranosyl)pyrazole 
• 75155-98-5 1,1-diethoxy-3-(2,3,5-tri-O-benzyl-β-D-ribofuranosyl)prop-2-yne 
• 75155-97-4 (2R,3R,4S)-1,3,4-Tris-benzyloxy-8,8-diethoxy-oct-6-yne-2,5-diol 
• 70-34-8 2,4-Dinitrofluorobenzene 

Downstream Products

• 79504-09-9 (4aR,6R,7S,7aR)-6-[1-(2,4-Dinitro-phenyl)-1H-pyrazol-3-yl]-2,2-dimethyl-tetrahydro-furo[3,2-d][1,3]dioxin-7-ol 
• 75156-00-2 1-(2,4-dinitrophenyl)-3-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)pyrazole 
• 75173-95-4 1-(2,4-dinitrophenyl)-3-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-4-nitropyrazole 

Relevant academic research and scientific papers

C-Nucleoside Studies. Part 12. Synthesis of 3-α- and 3-β-(D-Xylofuranosyl)pyrazoles

3-(2,3:4,5-Di-O-isopropylidene-D-gulo-pentahydroxypentyl)pyrazole (13) was prepared in four steps (45percent overall yield) from D-gulonolactone (9).Treatment with 1-fluoro-2,4-dinitrobenzene and triethylamine followed by reaction with methanesulphonyl ch

C-Nucleoside Studies. Part 10. A New Synthesis of 3-(2,3,5-Tri-O-benzyl-β-D-ribofuranosyl)pyrazole and its Conversion into 4-Nitro-3(5)-β-D-ribofuranosylpyrazole

1,1-Diethoxy-3-(2,3,5-tri-O-benzyl-β-D-ribofuranosyl)prop-2-yne (12) has been synthesised from 2,3,5-tri-O-benzyl-D-ribofuranose in 52percent yield.Acidic hydrolysis followed by reaction with hydrazine affords 3-(2,3,5-tri-O-benzyl-β-D-ribofuranosyl)pyraz

A New Synthesis of Formycin via Nitropyrazole Derivatives

3-(2,3,5-Tri-O-benzyl-β-D-ribofuranosyl)pyrazole (4) has been converted into formycin (15) by a sequence involving, as the key step, cine substitution, by cyanide ion, of the 1-nitro group in the 1,4-dinitro-pyrazole (10).