Zobrazeno 1 - 10
of 203
pro vyhledávání: '"S. William Pelletier"'
Publikováno v:
Scientia Pharmaceutica
Volume 69
Issue 1
Pages 61-65
Pages 63-67
Volume 69
Issue 1
Pages 61-65
Pages 63-67
Seven diterpenoid alkaloids : delcosine(1), delsoline(2), gigactonine(3), lycoctonine(4), takaosamine(5), atisine(6) and hetisinone(7) have been isolated from the aerial parts of Consolida regalis subsp. paniculata var. paniculata. The presence of co
Autor:
S. William Pelletier
Volume 7 of Alkaloids: Chemical and Biological Perspectives appears under the aegis of a new publisher: the distinguished firm of Springer Verlag New York, Inc. This volume presents three timely reviews on alkaloids: Chapter 1 reviews the homoeryth
Autor:
Balawant S. Joshi, Tedman Ehlers, Elizabeth M. Holt, S. William Pelletier, J. Phillip Bowen, A. A. Ali
Publikováno v:
Journal of Chemical Crystallography. 30:135-138
The crystal and molecular structure of augustamine (1), C17H19NO4 an amaryllidaceae alkaloid of the tazettine group has been determined by direct methods from single crystal x-ray diffractometer data and refined by full-matrix least squares. The alka
Autor:
S. William Pelletier
Volume 8 of this series presents four timely reviews on alkaloids: Chapter 1 is a magnificent and monumental review of curare,'a group of dart and/or arrow poisons varying in composition and featuring muscle relaxation as their basic pharmacological
Autor:
S. William Pelletier, Jianzhong-Huang, Haridutt K. Desai, Bradley P. Hart, R. William Caldwell
Publikováno v:
Journal of Natural Products. 61:743-748
Thirteen new derivatives of norditerpenoid alkaloids, namely, 8-deacetyl-8-p-aminobenzoyl-delphinine (1), 8-deacetyl-8-anthranoyldelphinine (2), 8-deacetyl-8-(4-hydroxy-3-methoxycin-namoyl)delphinine (3), 16-demethoxy-15,16-didehydro-8-p-anisoyl-14-b
Autor:
Mohindar S. Puar, Balawant S. Joshi, Georgia B. McGaughey, S. William Pelletier, Doowon Lee, M. Gary Newton
Publikováno v:
Journal of Natural Products. 59:759-764
From the hexane extract of the bark of Myrica cerifera, the pentacyclic triterpenes taraxerol and myricadiol were isolated. The EtOH extract afforded the [7.0]metacyclophanes, (±)-myricanol (4), and myricanone (7). Accurate 1 H- and 13 C-NMR spectra
Publikováno v:
Tetrahedron: Asymmetry. 7:25-28
The previously assigned 3 R configuration of (−)-vasicinone has been reversed and this pyrrolo[2,1-b]quinazoline-9-one has been shown to have the 3 S -configuration ( 3 ) on the basis of an X-ray diffraction study of (+)-vasicinone hydrobromide. Li
Autor:
Ali H. Meriçli, Haridutt K. Desai, S. William Pelletier, Balawant S. Joshi, Hasan Özçelik, Filiz Meriçli, Ayhan Ulubelen, Vobalaboina Venkateswarlu
Publikováno v:
Journal of Natural Products. 58:1555-1561
Investigation of the aerial parts of Delphinium aibiflorum resulted in the isolation and identification of deacetylheterophylloidine [1] along with hetidine [2] and lycoctonine [3]. Structure 1 for this previously unreported naturally occurring alkal
Autor:
Vobalaboina Venkateswarlu, Haridutt K. Desai, Balawant S. Joshi, S. William Pelletier, Santosh K. Srivastava
Publikováno v:
Journal of Natural Products. 58:1527-1532
Vakhmatine [1] and the new diterpenoid alkaloid 13-O-acetylvakhmatine [3] have been isolated from the polar alkaloidal fractions of the seeds of Consolida ambigua, together with ajacine, delcosine, gigactonine, and takaosomine. Structure 3 has been e
Publikováno v:
European Journal of Pharmacology. 283:103-106
The diterpenoid alkaloid, lappaconitine, at a dose of 150 micrograms/kg (i.v.) increased cardiac vagal afferent nerve activity (16.2%) and reduced cardiac sympathetic efferent nerve activity (12.5%). A polar analog, N-deacetyllappaconitine, at this s