Catalytic C–C Cleavage/Alkyne–Carbonyl Metathesis Sequence of Cyclobutanones
作者:Jiqiang Gao、Chunhui Liu、Zhongjuan Li、Haotian Liang、Yuhui Ao、Jinbo Zhao、Yuchao Wang、Yuanqi Wu、Yu Liu
DOI:10.1021/acs.orglett.0c01317
日期:2020.5.15
substrates decorated with various substituents at different positions were all well accommodated. Preliminary mechanistic studies show that silver salt acted as a Lewis acid to facilitate both C-C cleavage of the cyclobutanone moiety and the subsequent metathesis between C═O and C≡C bonds.
Nickel-catalysed intramolecular alkene insertion into cyclobutanones
作者:Masahiro Murakami、Shinji Ashida
DOI:10.1039/b611522e
日期:——
A nickel(0) catalyst converted 3-styrylcyclobutanones into benzobicyclo[2.2.2]octenones by an intramolecular insertion of the vinyl moiety into the cyclobutanone skeleton.