Tricyclohexylphosphonium Tetrafluoroborate acts as a reagent in the synthesis of potent JAK2 inhibitor BMS-911543 as a potential treatment for myeloproliferative disorders, preparation of Lapatinib intermediate via arylation of furfural with bromochlorofluorobenzyloxyphenylquinazolinamine, structure-activity relationships of carboline and carbazole derivatives as ATP-competitive kinesin spindle protein inhibitors.