Crude aqueous ethanol extracts of nine out of 12 species of anthozoans and the one
scyphozoan examined showed varying degrees of positive inotropic and chronotropic …

The extract of an Oriental medicine „bushi”, Aconitum carmichaeli roots, has been
fractionated monitored by the hypertensive activity against the urethane anesthetized rat …

3'-O-Acetylcalotropin (asclepin), a new glycoside was evaluated for its cardiotonic activity by
various in vitro and in vivo procedures in cat, guinea pig, dog, monkey, pigeon and mouse. It …

The cardiac action of the erythrophleum alkaloids, cassaine hydrochloride, nor-cassaidine
hydrochloride, erythrophleine sulfate, and coumingine hydrochloride, was studied in the …

The cardiac effects of asclepin, a new glycoside from the plant Asclepias curassavica, were
studies in vitro (isolated atrium and heart of guineapig) and in vivo (anaesthetized cat) and …

Two alkaloids 1 and 2 were isolated from the seeds of Erythrophleum lasianthum. Their
structures were assigned by spectroscopic and chemical means as 3β …

The cardiac effects of the leaf extract and 11 isolated pure compounds have been examined
on isolated, spontaneously beating, atrial muscles of the rat. Using nor-adrenaline (8X …

The Diels—Alder reactions of a cardiac glycoside, proscillaridin (1), with some dienophiles
were investigated. The reaction of 1 with alkenes such as methyl vinyl ketone and methyl …

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抄録 New bufotoxin homologues (3) with various lengths of alkyl chain including longer ones
than a suberoyl group at C-3 of the steroid nucleus were prepared from proscillaridin (1) via …