1-(2,4-dinitrophenyl)-3-(1-O-methylsulphonyl-2,3:4,5-di-O-isopropylidene-D-gulo-pentahydroxypentyl)pyrazole

Base Information

Chemical Name:1-(2,4-dinitrophenyl)-3-(1-O-methylsulphonyl-2,3:4,5-di-O-isopropylidene-D-gulo-pentahydroxypentyl)pyrazole
CAS No.:79519-72-5
Molecular Formula:C₂₁H₂₆N₄O₁₁S
Molecular Weight:542.524
Hs Code.:

Synonyms:1-(2,4-dinitrophenyl)-3-(1-O-methylsulphonyl-2,3:4,5-di-O-isopropylidene-D-gulo-pentahydroxypentyl)pyrazole

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Chemical Property of 1-(2,4-dinitrophenyl)-3-(1-O-methylsulphonyl-2,3:4,5-di-O-isopropylidene-D-gulo-pentahydroxypentyl)pyrazole

Chemical Property:

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Technology Process of 1-(2,4-dinitrophenyl)-3-(1-O-methylsulphonyl-2,3:4,5-di-O-isopropylidene-D-gulo-pentahydroxypentyl)pyrazole

There total 12 articles about 1-(2,4-dinitrophenyl)-3-(1-O-methylsulphonyl-2,3:4,5-di-O-isopropylidene-D-gulo-pentahydroxypentyl)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:

: 79504-10-2
3-(2,3:4,5-di-O-isopropylidene-1-oxo-D-xylo-tetrahydroxypentyl)pyrazole

: 79519-72-5
1-(2,4-dinitrophenyl)-3-(1-O-methylsulphonyl-2,3:4,5-di-O-isopropylidene-D-gulo-pentahydroxypentyl)pyrazole

Guidance literature:: Multi-step reaction with 3 steps

1: 9-borabicyclo<3.3.1>nonane / tetrahydrofuran / 4 h

2: 81 percent / triethylamine / benzene / 2 h / Heating

3: 70 percent / pyridine

With 9-borabicyclo[3.3.1]nonane dimer; triethylamine; In tetrahydrofuran; pyridine; benzene;
DOI:10.1039/P19810002258

Reference yield:

: 79504-11-3
3-(2,3:4,5-di-O-isopropylidene-D-ido-pentahydroxypentyl)pyrazole

: 79519-72-5
1-(2,4-dinitrophenyl)-3-(1-O-methylsulphonyl-2,3:4,5-di-O-isopropylidene-D-gulo-pentahydroxypentyl)pyrazole

Guidance literature:: Multi-step reaction with 7 steps

1: 76 percent / pyridine / 8.5 h

2: 56 percent / dimethylformamide / 1.5 h / 100 °C

3: 73 percent / pyridine / CH₂Cl₂

4: 76 percent / piperidine / methanol / 0.08 h

5: 65 percent / potassium hydroxide / methanol

6: 81 percent / triethylamine / benzene / 2 h / Heating

7: 70 percent / pyridine

With piperidine; pyridine; potassium hydroxide; triethylamine; In pyridine; methanol; dichloromethane; N,N-dimethyl-formamide; benzene;
DOI:10.1039/P19810002258

Reference yield:

: 79504-18-0
1-methylsulphonyl-3-(1-O-methylsulphonyl-2,3:4,5-di-O-isopropylidene-D-ido-pentahydroxypentyl)pyrazole

: 79519-72-5
1-(2,4-dinitrophenyl)-3-(1-O-methylsulphonyl-2,3:4,5-di-O-isopropylidene-D-gulo-pentahydroxypentyl)pyrazole

Guidance literature:: Multi-step reaction with 6 steps

1: 56 percent / dimethylformamide / 1.5 h / 100 °C

2: 73 percent / pyridine / CH₂Cl₂

3: 76 percent / piperidine / methanol / 0.08 h

4: 65 percent / potassium hydroxide / methanol

5: 81 percent / triethylamine / benzene / 2 h / Heating

6: 70 percent / pyridine

With piperidine; pyridine; potassium hydroxide; triethylamine; In pyridine; methanol; dichloromethane; N,N-dimethyl-formamide; benzene;
DOI:10.1039/P19810002258