A New Neolignan from Coix lachryma-jobi var. mayuen

作者：Kim Sun Young; Choi Chun Whan; Hong Seong Su; Shin HyungSeok; Oh Joa Sub^*

来源：Natural Product Communications, 2016, 11(2): 229-231.

DOI：10.1177/1934578x1601100224

• Gramineae
• Coixlachuma-jobi
• Neolignan

A new neolignan, named coixide A (1), along with fifteen known compounds, (7R,8S)-3'-demethyl-dehydrodiconiferyl alcohol-3'-0-13-glucopyranoside (2), (7R,8S)-3'-demethy1-9'-butoxy-dehydrodiconifery1-3'-O-beta-glucopyranoside (3),adenosine (4), 2-O-caffeoyl isocitricacid (5), pseudolaroside A (6), 2-hydroxy-7-methoxy-(2H)-4,4-benzoxazin-3(41/)-one (7), 2-0-beta-glucopyranosy1-7-methoxy-2H-1,4-benzoxazin-3(411)-one (8), 2-0-13-glucopyranosy1-4-hydroxy-7methoxy-2H-1,4-benzoxazin-3(41-/)-one (9), 2-0-beta-D-glucopyranosy1-7-hydroxy-2H-1,4-benzoxazin-3(411)-one (10), p-coumaric acid ethyl ester (11), caffeic acid ethyl ester (12), p-coumaric acid (13), cis-N-p-coumaroyltyramine (14) trans-N-p-coumaroyltyramine (15), and coixol (16) have been isolated from Coix laelnyma-jobi var. mayuen. Their chemical structures were elucidated by chemical evidence on the basis of spectroscopic and MS data, and as well as by comparison with those reported.

• 出版日期2016-2