Aaptosine - a new cytotoxic 5,8-diazabenz[cd]azulene alkaloid from the Red Sea sponge
摘要:
A novel heteroaromatic substance, aaptosine has been isolated from the Red Sea sponge Aaptos aaptos and its structure has been determined to be S on the basis of spectral data and chemical transformation to the two N-methyl derivatives 6 and 7.