4-ethoxy-2,2-dimethyl-2,3-dihydro-azete

(Z)-ethyl-3-(4,4,5,5)-tetramethyl-1,3,2-dioxaborolan-2-yl)but-2-enoate

甲基碘

乙氧甲酰基亚甲基三苯基膦

2-溴-3-甲基-2-丁酸乙酯