PyBOP
PyBOP (benzotriazol-1-yloxytripyrrolidinophosphonium hexafluorophosphate) is a peptide coupling reagent used in solid phase peptide synthesis. It is used as a substitute for the BOP reagent - avoiding the formation of the carcinogenic waste product HMPA.[1]
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| Names | |
|---|---|
| IUPAC name
(Benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate | |
| Other names
PyBOP | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.125.168 |
PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| C18H28F6N6OP2 | |
| Molar mass | 520.401 g·mol−1 |
| Appearance | White crystals |
| Melting point | 150 °C (302 °F; 423 K) |
| Hazards | |
| Main hazards | Irritant |
| R-phrases (outdated) | R36/37/38 |
| S-phrases (outdated) | S26-S36 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
See also
- BOP reagent
- DEPBT, a related reagent that contains no phosphorus-nitrogen bonds
- HATU
- HBTU
References
- Coste, J.; Le-Nguyen, D.; Castro, B. (1990). "PyBOP®: A new peptide coupling reagent devoid of toxic by-product". Tetrahedron Letters. 31 (2): 205. doi:10.1016/S0040-4039(00)94371-5.
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