Synthesis of Optically Active 5-(<i>tert</i>-Butyldimethylsiloxy)-2-cyclohexenone and Its 6-Substituted Derivatives as Useful Chiral Building Blocks for the Synthesis of Cyclohexane Rings. Syntheses of Carvone, Penienone, and Penihydrone
作者:Georges P-J. Hareau、Masakazu Koiwa、Shinichi Hikichi、Fumie Sato
DOI:10.1021/ja9843122
日期:1999.4.1
Ti(II)-mediated intramolecular nucleophilic acyl substitution reaction and the FeCl3-mediated ring expansion reaction of a 1-hydroxybicyclo[3.1.0]hexane are the key reactions. The enone 1 reacted with higher-order cyanocuprates with excellent diastereoselectivity to afford the trans-addition products, trans-13, in excellent yields. The reaction of 1 with lower-order cyanocuprates proceeded with moderate
Penienone and penihydrone, new plant growth regulators produced by the fungus, Penicillium sp. No.13
作者:Yasuo Kimura、Takashi Mizuno、Atsumi Shimada
DOI:10.1016/s0040-4039(96)02327-1
日期:1997.1
Penienone (1) and penihydrone (2) were isolated from the metabolite of the fungus Penicillium sp. No. 13. as new plantgrowthregulators and their structures were established by NMR studies and their derivatives.