Indole derivatives R 0140Synthetic Studies on the Fluorinated Analogues for the Putative Oxindole-Type Metabolites of 5-Halotryptamines. -Difluorooxindoles (III) and (VI) are synthesized as fluorinated analogues for putative oxindole-type metabolites of 5-fluorotryptamine and N b -acetyl-5-halotryptamines. -(FUJIWARA, T.; SEKI, T.; MIURA, M.; TAKEUCHI*, Y.; Heterocycles 79 (2009) 1, 427-432; Grad. Sch. Med. Pharm. Sci., Univ. Toyama, Toyama 930, Japan; Eng.) -H. Toeppel 40-105