Return to Article Details 3-NITRO-2<i>H</i>-CHROMENES IN [3+2] CYCLOADDITION REACTION WITH AZOMETHINE YLIDES DERIVED FROM <i>N</i>-UNSUBSTITUTED α-AMINO ACIDS AND ISATINS: REGIO- AND STEREOSELECTIVE SYNTHESIS OF SPIROCHROMENO[3,4-<i>c</i>]PYRROLIDINES Download Download PDF