Cycloaddition of Carbonyl Ylides to Isatins: Synthesis of Novel Spiro Oxindoles
作者:Vijay Nair、K. C. Sheela、D. Sethumadhavan、S. Bindu、Nigam P. Rath、Günter K. Eigendorf
DOI:10.1055/s-2001-10764
日期:——
Facile dipolar cycloaddition reactions of isatins with carbonyl ylides, generated by Rh2(OAc)4 catalyzed reaction of α-diazo ketones yielding novel spiro oxindole derivatives are described.
Dipolar cycloaddition of carbonyl ylides to 2-oxoindolinylidenes: a facile approach towards the synthesis of functionalized spiroindolenins
作者:Vijay Nair、P.M Treesa、Nigam P Rath、A.C Kunwar、K.S KiranKumar、A RaviSankar、M Vairamani、S Prabhakar
DOI:10.1016/s0040-4020(02)00790-1
日期:2002.9
Oxoindolinylidencs undergo regiospecific dipolar cycloaddition with carbonyl ylides affording highly functionalized spiroindolenin systems in high yield. (C) 2002 Elsevier Science Ltd. All rights reserved.
Dipolar cycloaddition of carbonyl ylides to para-quinoneimides: a facile route to bicyclo[3.2.1] and [2.2.1] systems
作者:Vijay Nair、C Rajesh、R Dhanya、A.U Vinod
DOI:10.1016/s0040-4039(01)00072-7
日期:2001.3
Five- and six-membered carbonyl ylides formed from rhodium carbenoids add to p-quininoneimides to afford bicyclic compounds in good yields.