6,7-Dihydrospirofuran-4(5H),2'-<1,3>dioxolan> 、
4-cyclohexenyl-1-(methylsulfonyl)-1H-1,2,3-triazole 在
rhodium(II) pivalate 作用下,
以
环己烷 为溶剂,
以70 %的产率得到N-((1E,2E,4E)-2-(cyclohex-1-en-1-yl)-4-(7-oxo-1,4-dioxaspiro[4.5]decan-6-ylidene)but-2-en-1-ylidene)methanesulfonamide