compounds are of the following formulae str2 wherein r 1 is loweralkanoyl hydroxyloweralkyl or halo epo pat no 69 521 published july 1 1981 discloses among other anti inflammatory agents pyridinyldihydrobenzofuran derivatives and its imidazolyl analogs of formula str3 wherein r 9 and r 12 are h oh 1 4c alkyl halo or ch 3 o these compounds are related to but not identical to some of the heteroaryl analogs of the compounds of the present invention the novel compounds of the present invention are prepared from the following processes str4 this invention also relates to a method of treating inflammation in patients in need of such treatment generally a sufficient amount of a compound of formulae i or a pharmaceutical composition thereof particularly an especially preferred compound is administered to the patient as the active constituent for the treatment of inflammation arthritis conditions psoriasis asthma or other diseases mediated by prostaglandins a compound of formula i may be administered orally topically parenterally by inhalation spray or rectally in dosage unit formulations containing conventional non toxic pharmaceutically acceptable carriers adjuvants and vehicles the term parenteral as used herein includes subcutaneous injections intravenous intramuscular intravascular injection or infusion techniques in addition to the treatment of warm blooded animals such as mice rats horses cattle sheep dogs cats etc the compounds of the invention are effective in the treatment of humans the pharmaceutical compositions containing the active ingredient may be in a form suitable for oral use for example as tablets troches lozenges aqueous or oily suspensions dispersible powders or granules emulsions hard or soft capsules or syrups or elixirs compositions intended for oral use may be prepared according to any method known to the art for the manufacture of pharmaceutical compositions and such.