2,6-Dihydro-4H-pyrrolo[3,4-c]pyrazole-5-carboxylic acid tert-butyl ester

Base Information

• Chemical Name: 2,6-Dihydro-4H-pyrrolo[3,4-c]pyrazole-5-carboxylic acid tert-butyl ester
• CAS No.: 1280210-79-8
• Molecular Formula: C₁₀H₁₅N₃O₂
• Molecular Weight: 209.248
• Mol file: 1280210-79-8.mol

Synonyms:2,6-Dihydro-4H-pyrrolo[3,4-c]pyrazole-5-carboxylic acid tert-butyl ester;tert-butyl 4,6-dihy dropyrrolo[3,4-c]pyrazole-5(2H)-carboxylate;Pyrrolo[3,4-c]pyrazole-5(4H)-carboxylic acid, 2,6-dihydro-, 1,1-dimethylethyl ester;tert-butyl pyrrolo[3,4-c]pyrazole-5(2H,4H,6H)-carboxylate;tert-butyl 2,6-dihydropyrrolo[3,4-c]pyrazole-5(4H)-carboxylate;2,6-Dihydropyrrolo[3,4-c]pyrazole-5(4H)-carboxylic acid 1,1-dimethylethyl ester

Chemical Property of 2,6-Dihydro-4H-pyrrolo[3,4-c]pyrazole-5-carboxylic acid tert-butyl ester

Chemical Property:

• Boiling Point: 366.0±42.0 °C(Predicted)
• PKA: 14.52±0.20(Predicted)
• PSA: 58.22000
• Density: 1.243±0.06 g/cm3(Predicted)
• LogP: 1.59830
• Storage Temp.: 2-8°C

Purity/Quality:

97% ^*data from raw suppliers

tert-Butyl4,6-dihydropyrrolo[3,4-c]pyrazole-5(2H)-carboxylate 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,6-Dihydro-4H-pyrrolo[3,4-c]pyrazole-5-carboxylic acid tert-butyl ester

There total 12 articles about 2,6-Dihydro-4H-pyrrolo[3,4-c]pyrazole-5-carboxylic acid tert-butyl ester 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: 98.0%

tert-butyl 6a-hydroxy-2,4,6,6a-tetrahydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate → 2,6-dihydropyrrole [3,4-c]pyrazole-5(4H)-carboxylic acid tert-butyl ester (1280210-79-8,657428-42-7)

Guidance literature:

With trifluoroacetic acid; In methanol; toluene; at 20 - 25 ℃; for 2h;

Reference yield: 78.0%

C10H17N3O3 → 2,6-dihydropyrrole [3,4-c]pyrazole-5(4H)-carboxylic acid tert-butyl ester (1280210-79-8,657428-42-7)

Guidance literature:

With toluene-4-sulfonic acid; In toluene; at 110 ℃; for 3h; Reagent/catalyst; Solvent; Temperature;

Reference yield: 71.0%

6a-hydroxy-3a,4,6,6a-tetrahydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylic acid tert-butyl ester → 2,6-dihydropyrrole [3,4-c]pyrazole-5(4H)-carboxylic acid tert-butyl ester (1280210-79-8,657428-42-7)

Guidance literature:

With toluene-4-sulfonic acid; In methanol; dichloromethane; at 20 ℃; Cooling with ice;

upstream raw materials:

3-oxo-pyrrolidine-1-carboxylic acid tert-butyl ester

tert-butyl (3Z)-3-[(dimethylamino)methylene]-4-oxopyrrolidine-1-carboxylate

di-tert-butyl dicarbonate

3-(dimethylaminomethylene)-4-oxo-pyrrolidine-1-carboxylic acid tert-butyl ester

Downstream raw materials:

tert-butyl 2-(methylsulfonyl)-2,6-dihydropyrrolo[3,4-c]pyrazole-5(4H)-carboxylate

tert-butyl 2-(2-amino-2-oxoethyl)-2,6-dihydropyrrolo[3,4-c]pyrazole-5(4H)-carboxylate

1,4,5,6-tetrahydropyrrolo[3, 4-c]pyrazole

2-(methylsulfonyl)-2,4,5,6-tetrahydropyrrolo[3,4-c]pyrazol-5-ium benzenesulfonate

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