Chemistry of Indoles Carrying a Basic Function. Part 9. Unexpected Cyclizations of Diketones Derived from Uhle′s Ketone.

Abstract

Alkaloids U 0600Chemistry of Indoles Carrying a Basic Function. Part 9. Unexpected Cyclizations of Diketones Derived from Uhle's Ketone. -In connection with a synthetic work on racemic lysergic acid, derivatives such as (II), (IV) and (VI) are prepared from Uhle's ketone (I) and investigated in cyclization reactions. -(MOLDVAI*, I.; GACS-BAITZ, E.; TEMESVARI-MAJOR, E.; INCZE, M.; POPPE, L.; SZANTAY, C.; Heterocycles 64 (2004) 153-175; Chem. Res. Cent., Hung. Acad. Sci., H-1025 Budapest, Hung.; Eng.) -Mais 24-195