O-4,O-9-Dimethylstealthin A ydroxymethyl-4,9-dimethoxy-benzo[b]fluoren
-10-one) and O-4,O-9-dimethylstealthin C xy-4,9-dimethoxy-2-methyl-ben
zo[b]fluoren-10-one), methylated derivatives of radical scavengers pro
duced by Stereptomyces viridochromogenes, were synthesized using the S
uzuki coupling reaction as a key step. (C) 1997 Elsevier Science Ltd.