作者:Yasuaki Koizumi、Hideki Kobayashi、Toshiyuki Wakimoto、Takumi Furuta、Tohru Fukuyama、Toshiyuki Kan
DOI:10.1021/ja807676v
日期:2008.12.17
The efficient total synthesis of (-)-serotobenine (1) has been achieved by constructing an optically active dihydrobenzofuran ring via a rhodiumcarbenoidmediated intramolecular C-H insertion reaction, which was developed by our group. Then the possibility of racemization of 1 was investigated using optically active synthetic 1.
chiral catalyst was employed to achieve double asymmetric induction of a trans-disubstituted dihydrobenzofuran ring, as the key reaction of a stereoselectivesynthesis of (-)-dehydrodiconiferyl alcohol in 13 steps from commercially available guaiacol. neolignan - dehydrodiconiferyl alcohol - rhodium - C-H insertion - double asymmetric induction