%0 Journal Article %T Clausenain B, a phenylalanine-rich cyclic octapeptide from Clausena anisum-olens %A Wang %A Yun-Song %A He %A Hong-Pin %A Yang %A Jing-Hua %A Di %A Ying-Tong %A Tan %A Ning-Hua %A Hao %A Xiao-Jiang %J Journal of the Brazilian Chemical Society %D 2009 %I Sociedade Brasileira de Qu¨Şmica, SBQ %R 10.1590/S0103-50532009000300011 %X a new cyclic octapeptide, named clausenain b, was isolated by a multi-step chromatography procedure from clausena anisum-olens. its structure was established as cyclo(-phe1-ser-leu1-phe2-phe4-gly-leu2-phe3-) (1) based on extensive spectroscopic studies and chemical evidence. clausenain b (1) is a phenylalanine-rich cyclic octapeptide. %K rutaceae %K clausena anisum-olens %K cyclic octapeptide %K clausenain b. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0103-50532009000300011&lng=en&nrm=iso&tlng=en