Return to Article Details 1,5-DIARYLPENT-4-ENE-1,3-DIONES IN THE SYNTHESIS OF SPIRO[(THIA)PYRROLIZIDINE-3,3'-OXINDOLES] AND 1,3-DIARYL-5-SPIRO[OXINDOLE-3,3'-PYRROLIZIDIN-2'-YL]-1<i>H</i>-PYRAZOLES Download Download PDF