反应条件
1: (i) (bromination), CaO, (ii) KOH, EtOH
2: (i) nBuLi, THF, hexane, (ii) /BRN= 505984/
3: aq. H2SO4 / diethyl ether
4: NBS, Me2S / CH2Cl2
5: KOtBu / 2-methyl-propan-2-ol
View Scheme
参考文献
Goldberg,O.; Dreiding,A.S.
Helvetica Chimica Acta, 1976 , vol. 59, p. 1904 - 1910