@article{fdi:010090950, title = {{B}enzosceptrins {A} and {B} with a unique benzocyclobutane skeleton and nagelamide {S} and {T} from {P}acific sponges}, author = {{A}ppenzeller, {J}. and {T}ilvi, {S}. and {M}artin, {M}. {T}. and {G}allard, {J}. {F}. and {E}l-bitar, {H}. and {D}au, {E}. {T}. {H}. and {D}ebitus, {C}{\'e}cile and {L}aurent, {D}ominique and {M}oriou, {C}. and {A}l-{M}ourabit, {A}.}, editor = {}, language = {{ENG}}, abstract = {{F}our new dimeric pyrrole-2-aminoimidazole alkaloids have been isolated from the {P}acific marine sponges {A}gelas cf. mauritiana and {P}hakellia sp. {T}hey include the unusual {C}2 symmetrical benzosceptrins {A} (4) and {B} (5), which each possess a unique benzocyclobutane skeleton and nagelamides {S} (6) and {T} (7). {T}heir structures and relative configuration were elucidated from spectroscopic data. {P}lausible biogenetic paths for these compounds are also proposed in this paper.}, keywords = {}, booktitle = {}, journal = {{O}rganic {L}etters}, volume = {11}, numero = {21}, pages = {4874--4877}, ISSN = {1523-7060}, year = {2009}, DOI = {10.1021/ol901946h}, URL = {https://www.documentation.ird.fr/hor/fdi:010090950}, }