... vol.12 no.3 São Paulo May/June 2001. ... yields an acetamidooxindole, which upon reaction with P 4 S 10 gives indolothiazoles in moderate to good yields 131 (Scheme 39). ... cusia 153 , or from isatin and N-methyl-O-acetylindoxyl 149,154 and from isatin and 3-hydroxyindole 155 . ...