2,8,9-Trimethyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane
Synonym(s):Verkade superbase
- CAS NO.：120666-13-9
- Empirical Formula: C9H21N4P
- Molecular Weight: 216.26
- MDL number: MFCD00269837
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:51:33
![2,8,9-Trimethyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane Structural](https://img.chemicalbook.in/CAS/GIF/120666-13-9.gif)
What is 2,8,9-Trimethyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane?
The Uses of 2,8,9-Trimethyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane
2,8,9-Trimethyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane (CAS# 120666-13-9) is a useful catalyst for the direct α-?arylation of nitriles with aryl chlorides and aryl bromides. It is also used as a catalyst in carbon dioxide reduction to methylamines under metal-free conditions.
Properties of 2,8,9-Trimethyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane
| Melting point: | 110-115 °C(lit.) |
| Boiling point: | 263.9±39.0 °C(Predicted) |
| pka | 10.43±0.20(Predicted) |
| form | solid |
| color | white waxy |
| Sensitive | moisture sensitive, store cold |
| BRN | 4970285 |
Safety information for 2,8,9-Trimethyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane
Computed Descriptors for 2,8,9-Trimethyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane
New Products
2-Amino-5-bromo-4-(trifluoromethyl)pyridine Sulfapyridine Fmoc-OSu (R)-(-)-2-Amino-1-propanol Cyclobutanone 5-bromo-4-fluoro-2-nitrobenzaldehyde β-Bromostyrene Ethyl 3-phenylpropanoate Phenethyl cinnamate Dipropyl disulfide N-Vinylformamide 4 pentyn 1 ol Methacrylate-PEG-Methacrylate, Mn:35000 2,4-Dihydroxyacetophenone 2-Chloro 5-Fluoro Pyridine Vasicinone 2-Chloroisonicotinic Acid Tween 80 or Polysorbate 80 2-Butyn-1-oL 2-Pentyn-1-oL 4-Nitrobenzotrifluoride N-(4-fluoro-2-methoxy-5-nitrophenyl)-4-(1-methyl-1H-indol-3-yl)pyrimidin-2-amine Pirtobrutinib intd. N-(4-Cyano-3-(trifluoromethyl)phenyl)-2-methyloxirane-2-carboxamideRelated products of tetrahydrofuran
![2,8,9-Tri-i-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane](https://img.chemicalbook.in/CAS/GIF/331465-71-5.gif)
![2,8,9-TRIMETHYL-2,5,8,9-TETRAAZA-1-PHOSPHABICYCLO[3.3.3]UNDECANE HYDROCHLORIDE](https://img.chemicalbook.in/StructureFile/ChemBookStructure7/GIF/CB7278019.gif)
![2,8,9-TRI-I-PROPYL-2,5,8,9-TETRAAZA-1-PHOSPHABICYCLO[3.3.3]UNDECANE](https://img.chemicalbook.in/CAS/GIF/175845-21-3.gif)
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2,8,9-Trimethyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane CAS 120666-13-9View Details
120666-13-9 -
1191-95-3 Cyclobutanone 98+View Details
1191-95-3 -
Fmoc-OSu 98+View Details
82911-69-1 -
(R)-(-)-2-Amino-1-propanol 35320-23-1 98+View Details
35320-23-1 -
1191-95-3 Cyclobutanone 98+View Details
1191-95-3 -
213382-45-7 98+View Details
213382-45-7 -
Fmoc-OSu 98+View Details
82911-69-1 -
(R)-(-)-2-Amino-1-propanol 35320-23-1 98+View Details
35320-23-1
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