Reductive cyclizations involving attack of radical anions derived from ketones, aldehydes and enones on isolated carbon-carbon triple and double bonds. Application of frontier molecular orbitals
Stereochemistry and mechanism of aikali metal reductions of cycloalkanones
作者:Suresh K. Pradhan、Suhas V. Sohani
DOI:10.1016/s0040-4039(01)82085-2
日期:1981.1
Work on steroidal 16-ones has indicated that whereas the stereochemistry of reduction of cycloalkanones by alkali metals in ethanol is linked with the FMO picture of the corresponding ketyl ion pair, the reduction of enolizable ketones by K in anhydrous ammonia is controlled by steric factors connected with proton abstraction by a dianion from alpha to a ketone.