- EFFECT OF ARYL SUBSTITUENTS ON INTRAMOLECULAR CYCLIZATION OF 2,2 '-BIPHENOQUINONES
[作者:HAYASHI NAOTO; KANDA AKIFUMI; KAMOTO TAKU; HIGUCHI HIROYUKI; AKITA TAKEYUKI,期刊:Heterocycles, 页码:865-872 , 文章类型: Article,,卷期:2009年79-1]
- Effect of aryl substituents on intramolecular cyclizations of 3,3',5,5'-tetraaryl-2,2'-biphenoquinones (Ar = phenyl (1a) and 4-methoxyphenyl (1b)) has been studied. In benzene, 1a gave 2,4,6,8-tetraphenyldibenzofuran-1-o...
- ANTINEOPLASTIC AGENTS. 575. THE FUNGUS Aspergillus phoenicis.
[作者:PETTIT GEORGE R; DU JIANG; PETTIT ROBIN K; KNIGHT JOHN C; DOUBEK DENNIS L,期刊:Heterocycles, 页码:909-916 , 文章类型: Article,,卷期:2009年79-1]
- Cancer cell line bioassay-guided separation of an extract from the fungus Aspergillus phoenicis collected in Saskatchewan, Canada, resulted in the isolation of three new constituents designated asperlactone (1), aspergil...
- FORMAL SYNTHESIS OF (5R,8R,8aS)-INDOLIZIDINE 209I VIA ENAMINONES INCORPORATING WEINREB AMIDES
[作者:DE KONING CHARLES B; MICHAEL JOSEPH P; RILEY DARREN L,期刊:Heterocycles, 页码:935-953 , 文章类型: Article,,卷期:2009年79-1]
- A formal enantioselective synthesis of the amphibian alkaloid (5R,8R,8aS)-(-)-indolizidine 2091 (6) is reported. Control or the absolute, stereochemistry at C-5 resulted from application of the Davies procedure, which en...
|