cycloprotobuxine A
National Institutes of Health
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Twelve steroid alkaloids were isolated from Buxus sempervirens var. argentea HORT. ex. STEUD. Nine of them: buxtauine-M…
In continuation of studies of alkaloids from Buxus sempervirens cultivated near Tashkent [1, 2], we isolated by extraction with…
AIM
To study the effects of cycloprotobuxine-A (Cyc-A) on atrial fibrillation.
METHODS
Atrial fibrillations in vivo and in…
Cycloprotobuxine-A (CPB-A) 1-4 mg.kg-1 iv increased the dose of ouabain required to induce ventricular arrhythmias in guinea pigs…
Cycloprotobuxine-A (CPB-A) 0.1-100 mumoles/L produced positive inotropic effects in left and right atria in a concentration…
A. P. Orekhov and So S. Nopkina, Ber., 68, 436 (1935). A. P. Orekhov and S. S. Nopkina, Zh. Obshch. Khim., ~, 673 (1937). J…
SummaryA new alkaloid buxaline-C has been isolated fromBuxus sempervirens cultivated in Tashkent.The results of a comparison of…