Synthetic compounds patterned after morphine alkaloids

Relationships between chemical constitution and pharmacological action of morphine, phenanthrene, dibenzofuran, and carbazole derivatives have been discussed;The preparations of some dibenzofuran derivatives, particularly those containing nitrogen, have been described;A number of attempts to bridge the 1,9-positions in dibenzofuran have been recorded;Metalation and interconversion reactions of several phenanthrene derivatives have been reported;Evidence for the assigned structures of the compounds prepared has been presented;The results of pharmacological tests involving derivatives of dibenzofuran and phenoxathiin have been listed