Two New Phenylethanoid Glycosides from Callicarpa longissima. Issue 4 (April 2015)

• Record Type: Journal Article
• Authors: Yuan, Jing‐Quan; Qiu, Li; Zou, Lu‐Hui; Wei, Qian; Miao, Jian‐Hua; Yao, Xin‐Sheng
• Is Part Of: Helvetica chimica acta. Volume 98:Issue 4(2015:Apr.)
• Page Start: 482
• Page End: 489
• Publication Date: 2015-04
• Subjects: Chemistry -- Periodicals; Chemistry, Analytical -- periodicals; Chimie -- Périodiques; 540
• DOI: 10.1002/hlca.201400206
• Languages: English
• ISSNs: 0018-019X

Abstract

<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>Two new phenylethanoid glycosides, longissimosides A and B (<bold>1</bold> and <bold>2</bold>, resp.), together with eight structurally related known compounds, were isolated from the EtOH extract of leaves and stems of <italic>Callicarpa longissima</italic> (<sc>Hemsl</sc>.) <sc>Merr</sc>. The structures of <bold>1</bold> and <bold>2</bold> were elucidated as 2‐(3, 4‐dihydroxyphenyl)ethyl <italic>O</italic>‐(<italic>α</italic>‐<sc>L</sc>‐rhamnopyranosyl)‐(1→3)‐<italic>O</italic>‐(2‐<italic>O</italic>‐syringoyl‐<italic>β</italic>‐<sc>D</sc>‐xylopyranosyl)‐(1→6)‐ 4‐<italic>O</italic>‐[(<italic>E</italic>)‐caffeoyl]‐<italic>β</italic>‐<sc>D</sc>‐glucopyranoside (<bold>1</bold>) and 2‐(3‐hydroxy‐4‐methoxyphenyl)ethyl <italic>O</italic>‐(<italic>α</italic>‐<sc>L</sc>‐rhamnopyranosyl)‐(1→3)‐<italic>O</italic>‐(<italic>β</italic>‐<sc>D</sc>‐apiofuranosyl)‐(1→6)‐4‐<italic>O</italic>‐[(<italic>E</italic>)<italic>‐</italic>isoferuloyl]‐<italic>β</italic>‐<sc>D</sc>‐glucopyranoside (<bold>2</bold>) on the basis of spectroscopic data and acid hydrolysis.</p> </abstract>