Mono- and dialkyl ethers of pyrocatechol were synthesized. Antibacterial action of the monoethers against avian type tubercle bacilli were examined, in vitro, in Kirchner medium and by the S. C. C. method. The compounds synthesized were mono- and dimethyl, ethyl, butyl, hexyl, octyl, decyl, dodecyl, tetradecyl, and hexadecyl ethers. Antitubercular action of monoethers were found to be very small, the effect of the size of the alkyl group against tuberculostasis being very indistinct.
