All-E 7,8-dihydro-8'-apo-Ψ-caroten-8'-al 、 <7-Methoxy-3.7-dimethyl-octen-(2)-trans-yl>-triphenyl-phosphoniumbromid 在
正丁基锂 作用下,
生成
3,4-dihydrospheroidene 、 (6E,10E,12E,14E,16E,18E,20E,22E,24Z,26E)-31-Methoxy-2,6,10,14,19,23,27,31-octamethyl-dotriaconta-2,6,10,12,14,16,18,20,22,24,26-undecaene