Stereoselective synthesis of cyclopentanone-fused benzosultams through Tomita zipper cyclization
作者:Dhevalapally B. Ramachary、Patoju M. Krishna、T. Prabhakar Reddy
DOI:10.1039/c6ob01096b
日期:——
A powerful intermolecular version of the Tomita zipper-cyclization (TZC) reaction was developed to provide functionalized drug-like cyclopentanone-fused benzosultams in good yields with excellent stereoselectivities using organophosphine-catalysis.
Stereoselective Synthesis of Five-Membered Spirooxindoles through Tomita Zipper Cyclization
作者:D. B. Ramachary、Chintalapudi Venkaiah、Patoju M. Krishna
DOI:10.1021/ol4020305
日期:2013.9.20
Functionalized five-membered spirooxindoles were furnished in good yields and excellent stereoselectivities by using an effective Tomita zipper cyclization (TZC) reaction through organophosphine catalysis.
Asymmetric Synthesis of Druglike Six-Membered Spirooxindoles through an Amino Enyne Catalysis
作者:D. B. Ramachary、Chintalapudi Venkaiah、R. Madhavachary
DOI:10.1021/ol401227q
日期:2013.6.21
An effective reflexive-Michael (r-M) reaction has been disclosed to access drug-like six-membered spirooxindoles in good yields and excellent enantioselectivities by using an aminoenyne-catalysis.