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Two New <i>C</i>‐<i>seco</i> Limonoids from the Fruit of <i>Melia azedarach</i>
Jin, Qinghao,Lee, Chul,Woox2005,Lee, Jin,Yeonx2005,Choi, Jeong,Taex2005,Hong, Jin,Kim, Youngsoo,Kyeong ,Lee, Mi,Yeonx2005,Hwang, Bang WILEY‐VCH Verlag 2014 Helvetica chimica acta Vol.97 No.8
<P><B>Abstract</B></P><P>A phytochemical investigation of the fruits of <I>Melia azedarach</I> led to the isolation of two new C‐<I>seco</I>‐nimbolinin‐type limonoids, 3<I>α</I>‐acetoxy‐1<I>α</I>,7<I>α</I>‐dihydroxy‐12<I>α</I>‐methoxynimbolinin (<B>1</B>) and 3<I>α</I>‐acetoxy‐1<I>α</I>,12<I>α</I>‐dihydroxy‐7<I>α</I>‐(2‐methylprop‐2‐enoyl)nimbolinin (<B>2</B>), together with eleven known compounds, <B>3</B>–<B>13</B>. Their structures were elucidated on the basis of extensive spectroscopic analysis, including <SUP>1</SUP>H‐ and <SUP>13</SUP>C‐NMR, HMQC, HMBC, NOESY, and HR‐FAB‐MS.</P>