J. Quick et B. Saha, PROTEIN-KINASE-C MODULATORS - INDOLACTAMS .2. ALKYLATION OF 4-NITROINDOLE BY GRIGNARD-REAGENTS - SYNTHESIS OF (-)-7-OCTYLINDOLACTAM-V, Tetrahedron letters, 35(46), 1994, pp. 8553-8556
A method for the C-alkylation of 4-nitroindole at the 5 and 7 position
s by alkyl Grignard reagents has been developed. The 4-nitro-7-octylin
dole thus prepared has been used as a starting material for the synthe
sis of the lyngbyatoxin analog, (-)-7-octylindolactam V.