1-Bromo-and 2-bromonaphthalene were subjected to bio-oxidation with whole cells of Pseudomonas putida NCIB 9816-11. The major metabolites were isolated and spectroscopically characterized as (+)-cis-(1R, 2S)-Dihydroxy-1, 2-dihydro-8- bromonaphthalene 1,(+)-cis-(1R, 2S-Dihydroxy-1, 2-dihydro-5-bromonaphthalene 2 from 1- bromo-naphthalene and (+)-cis-(1R, 2S)-Dihydroxy-1, 2-dihydro-7-bromonaphthalene 8 ...