Iridoid and phenylethanoid glycosides from Heterophragma sulfureum. (June 2015)

• Record Type: Journal Article
• Authors: Kaewkongpan, Choosak; Sahakitpichan, Poolsak; Ruchirawat, Somsak; Kanchanapoom, Tripetch
• Is Part Of: Phytochemistry letters. Volume 12(2015:Jun.)
• Page Start: 277
• Page End: 281
• Publication Date: 2015-06
• Subjects: Heterophragma sulfureum -- Bignoniaceae -- Iridoid glycoside -- Specioside 6'-O-α-d-galactopyranoside -- Phenylethanoid glycoside -- Heterophragmoside; Botanical chemistry -- Periodicals; Chimie végétale -- Périodiques; 572.205
• DOI: 10.1016/j.phytol.2015.04.016
• Languages: English
• ISSNs: 1874-3900

Abstract

Graphical abstract: An unusual iridoid diglycoside, specioside 6′- O -α-d -galactopyranoside and a new phenylethanoid triglycoside, heterophragmoside were isolated from Heterophragma sulfureum. Highlights: An iridoid glycoside with α-d -galactopyranose was isolated from Heterophragma sulfureum . A new phenylethanoid glycoside was isolated from H. sulfureum . This is the first phytochemical study on H. sulfureum . Abstract: An unusual iridoid diglycoside (specioside 6′- O -α-d -galactopyranoside) and a new phenylethanoid triglycoside (heterophragmoside) were isolated from the leaves and branches of Heterophragma sulfureum together with specioside, verminoside, 6- trans -feruloylcatapol, stereospermoside, (−)-lyoniresinol 3α- O -β-d -glucopyranoside, (+)-lyoniresinol 3α- O -β-d -glucopyranoside, (−)-5′-methoxyisolariciresinol 3α- O -β-d -glucopyranoside, (+)-5′-methoxyisolariciresinol 3α- O -β-d -glucopyranoside, and dehydroconiferyl 4- O -β-d -glucopyranoside. The structural elucidations were based on analyses of chemical and spectroscopic data.