Transannular reactions of 5-azido- and 5-nitronodibenzo[a,e]cyclooctatrienes and -dibenzo[a,d]cycloheptatrienes. Syntheses of pavine and homoisopavine analogs
Transannular reactions of 5-azido- and 5-nitronodibenzo[a,e]cyclooctatrienes and -dibenzo[a,d]cycloheptatrienes. Syntheses of pavine and homoisopavine analogs