Phosphoramiditeforthesynthesisofoligonucleotideswith5"-terminalalkyneforClickchemistry.
Thisalkyneamiditehasseveraladvantagesover5’-hexynylphosphoramidite,5"-butynyl-CEP,andother5"-terminalalkynephosphoramidites.First,itissolidcompoundwhichiseasiertohandleanddispense.Andduetoitsstructure,itisalsomorestableinsolution,andhaslongershelflife
Diluentforthisphosphoramiditeisacetonitrile,5mincouplingtimeisrecommended.Becausethisamiditedoesnotcontain5"-terminalDMTgroup,no5"-deprotectionneeded.Oligonucleotidesshouldbedeblockedunderstandardconditions,andpurifiedbyPAGE,orionexchangeHPLC.
OligonucleotideswiththismodificationareidealfortheuseinClickChemistry(seeourrecommendedprotocol).
Generalproperties
| Appearance: | colorlesssolid | 
| Molecularweight: | 409.50 | 
| Molecularformula: | C21H36N3O3P | 
| IUPACname: | trans-4-(5-Hexynoylamino)cyclohexyloxy-N,N-diisopropylamino-2-cyanoethyloxyphosphine | 
| Solubility: | goodinacetonitrileanddichloromethane | 
| Qualitycontrol: | NMR1H(95%)and31P,HPLC-MS | 
| Storageconditions: | Storage:24monthsafterreceivalat-20°C.Transportation:atroomtemperatureforupto3weeks.Desiccate. |