Aim To develop analytical methods for the identification and determination of the flavonoids
in Sophora tonkinensis for comprehensive quality evaluation. Methods An HPLC-DAD-ESI …

One new phenylpropanoid schineolignin D (1), one new sesquiterpene (−)‐(7S, 10S)‐3, 11,
12, 13‐tetrahydroxycalamenene (2), one new quinic acid 4‐(E)‐O‐coumaroylquinic acid …

In addition to the known cycleanine (I) and d-isochondodendrine (II), two novel
bisbenzylisoquinoline alkaloids named isocycleanine (III) and sutchuenensine (IV) have …

Object To study the alkaloid constituents in the seed of Sophora alopecuroides L and
isolation of lehmannine by transhydrogenation of sophocarbine to matrine present in the …

Three new cyclolanostanol xylosides were isolated from a batch of commercial Cimicifuga
Rhizome, cimicifugoside H—l (l), C35H5209, mp 260—262 C,[ac] D—43.5, cimicifugoside H …

Investigation of the chemical constituents from the roots of Melochia chamaedrys
(Sterculiaceae) resulted in the isolation of two quinolinone alkaloids: a new alkaloid, named …

Five compounds were obtained from the stems and leaves of Sophora flavescens Ait. and
ten compounds were obtained from the roots of S. flavescens by various chromatography …

From an acidic extract of Ulex jussiaei four new quinolizidine alkaloids, jussiaeiines A (1), B
(2), C (3), and D (4), were isolated and characterized by spectroscopic methods together …

抄録 A secondary and tertiary alkaloidal fraction from Monodora junodii was examined by
the combination of preparative ion-pair HPLC and preparative TLC. A benzylisoquinoline …

Sumphan WONGSERIPIPATANA,a Norio AIMI,b Masashi NISHIMURA, Page 1 February 1990
Communications to the Editor Chem, Pharm. Bull. 38(2) 573~575 (1990) 573 STRUCTURE AND …