(+)- and (−)-Spiroreticulatine, A Pair of Unusual Spiro Bisheterocyclic Quinoline-imidazole Alkaloids from the South China Sea Sponge <i>Fascaplysinopsis reticulata</i>
作者:Qi Wang、Xuli Tang、Xiangchao Luo、Nicole J. de Voogd、Pinglin Li、Guoqiang Li
DOI:10.1021/acs.orglett.5b01503
日期:2015.7.17
quinoline-imidazole alkaloids, (+)- and (−)-spiroreticulatine (1), were isolated from the South China Sea sponge Fascaplysinopsis reticulata. The structures and absolute configurations were elucidated by comprehensive spectroscopic analysis, single-crystal X-ray diffraction, and quantum chemical calculation methods. Spiroreticulatine is the first example of a sponge-derived natural spiro quinoline-imidazole