New cascade silylcarbocyclization (SiCaC) of enediynes
摘要:
The Rh(acac)(CO)(2)-catalyzed cascade silylcarbocyclizations (SiCaC) of (6E)- and (6Z)-dodec-6-ene-1,11-diynes stereospecifically give (R*,R*)- and (S*,R*)-bis(exo-methylenecyclopentyl) respectively in good isolated yields.