反应详情

Compound 21F was prepared following the procedure as described for the synthesis of compound 21A (see Scheme 3) using 1-butyldisulfanyl-butane as the disulfide and 3-(4-iodo-1H-pyrazol-3-yl)-pyridine (compound 20B). (flash chromatography conditions ethyl acetate/diethyl ether 3/1).