2940-98-9

Basic information

• Product Name: 2,2,6,6-tetramethyltetrahydro-1H,5H-pyrazolo[1,2-a]pyrazole
• Synonyms: 1H,5H-Pyrazolo[1,2-a]pyrazole, tetrahydro-2,2,6,6-tetramethyl-; 3,3,7,7-Tetramethyl-1,5-diazabicyclo(3.3.0)octane; 3,3,7,7-Tetramethyl-1,5-diazabicyclo[3.3.0]octane
• CAS NO: 2940-98-9
• Molecular Formula: C₁₀H₂₀N₂
• Molecular Weight: 168.2792
• Mol File: 2940-98-9.mol
• Article Data: 3

Chemical Properties

• Boiling Point: 199.9°C at 760 mmHg
• Flash Point: 66.2°C
• Density: 0.98g/cm³
• Vapor Pressure: 0.333mmHg at 25°C
• Refractive Index: 1.522
• CAS DataBase Reference: 2,2,6,6-tetramethyltetrahydro-1H,5H-pyrazolo[1,2-a]pyrazole(CAS DataBase Reference)
• NIST Chemistry Reference: 2,2,6,6-tetramethyltetrahydro-1H,5H-pyrazolo[1,2-a]pyrazole(2940-98-9)
• EPA Substance Registry System: 2,2,6,6-tetramethyltetrahydro-1H,5H-pyrazolo[1,2-a]pyrazole(2940-98-9)

Safety Data

• Hazardous Substances Data: 2940-98-9(Hazardous Substances Data)

Upstream product

• 4136-44-1 3,3,7,7-Tetramethyl-1,5-diazabicyclo<3.3.0>octan-2,6-dion 
• 27219-73-4 1,8-Dichlor-2,2,7,7-tetramethyl-4,5-diazaoctan-3,6-dion 
• 27219-76-7 3,3,3',3'-Tetramethyl<1,1'-biazetidine>-2,2'-dione 
• 96594-28-4 3,3,7,7-Tetramethyl-1,5-diazabicyclo<3.3.0>octan-2,6-dithion 
• 96594-27-3 3,3,3',3'-Tetramethyl<1,1'-biazetidin>-2,2'-dithion 

Downstream Products

• 63-36-5 salicylate 

Relevant articles and documents

Reduction of β-Lactams,III. Synthesis of β-Thiolactams and Reduction with Raney Nickel

The N-substituted β-lactams 1-3 react with P2S5 or Lawesson reagent (11) to give the β-thiolactams 5-7.The bi-β-lactam 4 is transformed by 11 to the bi-β-thiolactam 8, with P2S5 however rearrangement occurs to the bicyclic thiohydrazide 10. - Reduction wi

1,5-DIAZABICYCLO-(3.3.0)-OCTANE-2,6-DIONES AND DERIVATIVES.

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