Zobrazeno 1 - 10
of 290
pro vyhledávání: '"F. Šantavý"'
Autor:
F. Šantavý
Publikováno v:
Zeitschrift für Chemie. 1:30-31
Autor:
F. Šantavý
Publikováno v:
Zeitschrift für Chemie. 1:30-30
Publikováno v:
Collection of Czechoslovak Chemical Communications. 47:664-669
In Senecio pancicii var. arnautorum and var. pancicii a mixture was found of paraffinic hydrocarbons C25-C33, paraffinic alcohols C24-C30, phytosterols, palmitic acid, esters of fatty acids C12, C14 and C16 with dihydroxytriterpenes (among which one
Publikováno v:
Collection of Czechoslovak Chemical Communications. 42:1571-1580
Publikováno v:
Collection of Czechoslovak Chemical Communications. 40:2524-2528
Publikováno v:
Planta Medica. 43:153-160
It was found that the so far described variations in the content of colchicine alkaloids in leaves and flowers of Colchicum autumnale L. and C. byzantinum Ten. are due to enzymatic O-demethylation and degradation of colchicine (I), N-deacetyl-N-formy
Publikováno v:
Collection of Czechoslovak Chemical Communications. 41:3146-3156
Autor:
Ivo Válka, F. Šantavý
Publikováno v:
Collection of Czechoslovak Chemical Communications. 45:1950-1958
The electron spectra of 1-indanone (I), 1-tetralone (II), phthalide (III), homophthalide (IV), 3,4-dihydroisoquinoline (VII), and 3,4-dihydroisoquinolinium (VIII) compounds, substituted by electron donating groups (hydroxy, methoxy or methylenedioxy
Publikováno v:
Collection of Czechoslovak Chemical Communications. 47:2258-2279
The CD spectra of 48 colchicine alkaloids and of some of their derivatives were given. The effects of the substituents and of the basic skeleton on the chiroptical properties of the measured compounds were discussed.
Publikováno v:
Collection of Czechoslovak Chemical Communications. 49:1536-1542
From the corms and seeds of Indian Gloriosa superba L., 19 tropolone and 3 non-tropolone alkaloids were isolated. Of these, cornigerine, (S)-(+)-floramultine (bechuanine), 1,12-dihydroxy-2,10,11-trimethoxyhomoaporphine, colchicamide, 2-demethylcolchi