Three new phenolic glycosides, named as equisetumoside A (3-methoxy-11,12-dihydroxy-phenylhexane-9- one-4-O-beta -D-glucopyranoside), equisetumoside B (3-methoxy-4,11-dihydroxy-phenylhexane-9-one12-O-beta -D-glucopyra...Three new phenolic glycosides, named as equisetumoside A (3-methoxy-11,12-dihydroxy-phenylhexane-9- one-4-O-beta -D-glucopyranoside), equisetumoside B (3-methoxy-4,11-dihydroxy-phenylhexane-9-one12-O-beta -D-glucopyranoside) and equisetumoside C ( cis-ferulic acid potassium salt 4-O-beta -D-glucopyranoside) were isolated from the water-soluble extract of fertile sprouts of Equisetum, arvense L. (Equisetaceae), together with uridine, inosine, 2'-deoxyinosine, 2'-deoxycytidine, tryptophan, thymidine, 5-carboxy-2'-deoxyuridine, coniferin, and kaempferol 3-O-beta -D-sophoroside-7-O-beta -D-glucopyranoside. Their structures were elucidated by spectroscopic analysis and chemical transformation.展开更多
文摘Three new phenolic glycosides, named as equisetumoside A (3-methoxy-11,12-dihydroxy-phenylhexane-9- one-4-O-beta -D-glucopyranoside), equisetumoside B (3-methoxy-4,11-dihydroxy-phenylhexane-9-one12-O-beta -D-glucopyranoside) and equisetumoside C ( cis-ferulic acid potassium salt 4-O-beta -D-glucopyranoside) were isolated from the water-soluble extract of fertile sprouts of Equisetum, arvense L. (Equisetaceae), together with uridine, inosine, 2'-deoxyinosine, 2'-deoxycytidine, tryptophan, thymidine, 5-carboxy-2'-deoxyuridine, coniferin, and kaempferol 3-O-beta -D-sophoroside-7-O-beta -D-glucopyranoside. Their structures were elucidated by spectroscopic analysis and chemical transformation.
