Synthesis of benzo-fused lactams and lactones via Ru(II)-catalyzed cycloaddition of amide- and ester-tethered α,ω-diynes with terminal alkynes: electronic directing effect of internal conjugated carbonyl group
Yoshihiko Yamamoto,*a Keisuke Kinpara,a Tomoaki Saigoku,a Hisao Nishiyamaa and Kenji Itohb
Org. Biomol. Chem., 2004,2, 1287-1294
- DOI:
http://dx.doi.org/10.1039/B402649G
спасибо!!!
