TERT-BUTYL 3'-AMINO-1'H-SPIRO[CYCLOPROPANE-1,6'-PYRROLO[3,4-C]PYRAZOLE]-5'(4'H)-CARBOXYLATE

Base Information

• Chemical Name: TERT-BUTYL 3'-AMINO-1'H-SPIRO[CYCLOPROPANE-1,6'-PYRROLO[3,4-C]PYRAZOLE]-5'(4'H)-CARBOXYLATE
• CAS No.: 946497-95-6
• Molecular Formula: C₁₂H₁₈N₄O₂
• Molecular Weight: 250.301
• Hs Code.: 2933990090
• Mol file: 946497-95-6.mol

Synonyms:TERT-BUTYL 3'-AMINO-1'H-SPIRO[CYCLOPROPANE-1,6'-PYRROLO[3,4-C]PYRAZOLE]-5'(4'H)-CARBOXYLATE

Chemical Property of TERT-BUTYL 3'-AMINO-1'H-SPIRO[CYCLOPROPANE-1,6'-PYRROLO[3,4-C]PYRAZOLE]-5'(4'H)-CARBOXYLATE

Chemical Property:

• Boiling Point: 462.5±45.0 °C(Predicted)
• PKA: 16.68±0.20(Predicted)
• PSA: 84.97000
• Density: 1.34±0.1 g/cm3(Predicted)
• LogP: 1.59970

Purity/Quality:

97% ^*data from raw suppliers

3'-Amino-5'-Boc-1',4'-dihydrospiro[cyclopropane-1,6'(5'H)-pyrrolo[3,4-c]pyrazole] 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of TERT-BUTYL 3'-AMINO-1'H-SPIRO[CYCLOPROPANE-1,6'-PYRROLO[3,4-C]PYRAZOLE]-5'(4'H)-CARBOXYLATE

There total 5 articles about TERT-BUTYL 3'-AMINO-1'H-SPIRO[CYCLOPROPANE-1,6'-PYRROLO[3,4-C]PYRAZOLE]-5'(4'H)-CARBOXYLATE 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: 59.2%

tert-butyl 6-cyano-7-hydroxy-4-azaspiro[2.4]hept-6-ene-4-carboxylate → tert-butyl 3'-amino-1'H-spiro[cyclopropane-1,6'-pyrrolo[3,4-c]pyrazole]-5'(4'H)-carboxylate (946497-95-6)

Guidance literature:

With acetic acid; hydrazine; In ethanol; at 85 ℃; for 4h;

DOI:10.1016/j.bmc.2018.03.021

Reference yield:

1-((tertbutoxycarbonyl)(2-cyanoethyl)amino)cyclopropanecarboxylic acid → tert-butyl 3'-amino-1'H-spiro[cyclopropane-1,6'-pyrrolo[3,4-c]pyrazole]-5'(4'H)-carboxylate (946497-95-6)

Guidance literature:

Multi-step reaction with 2 steps

1: potassium tert-butylate / tetrahydrofuran

2: hydrazine; acetic acid / ethanol

With potassium tert-butylate; acetic acid; hydrazine; In tetrahydrofuran; ethanol;

Reference yield:

1-[(2-cyanoethyl)amino]cyclopropanecarboxylic acid (109577-96-0) → tert-butyl 3'-amino-1'H-spiro[cyclopropane-1,6'-pyrrolo[3,4-c]pyrazole]-5'(4'H)-carboxylate (946497-95-6)

Guidance literature:

Multi-step reaction with 3 steps

1: tetramethyl ammoniumhydroxide / water; acetonitrile

2: potassium tert-butylate / tetrahydrofuran

3: hydrazine; acetic acid / ethanol

With potassium tert-butylate; tetramethyl ammoniumhydroxide; acetic acid; hydrazine; In tetrahydrofuran; ethanol; water; acetonitrile;

upstream raw materials:

1-[(2-cyanoethyl)amino]cyclopropanecarboxylic acid

di-tert-butyl dicarbonate

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