- SYNTHESIS AND STRUCTURE OF 5,7-DIMETHYLTHIENO[3,4-d]PYRIDAZINE
[作者:TICE NATHAN C; PEAK SARAH M; PARKIN SEAN,期刊:Heterocycles, 页码:1631-1639 , 文章类型: Article,,卷期:2010年81-7]
- The reaction of 2,5-dimethylthiophene-3,4-dicarboxaldehye (3) with excess hydrazine hydrate afforded the desired 5,6-fused ring thiophene derivative, 5,7-dimethylthieno[3,4-d]pyridazine (4), in high yield (82%). Pyridazi...
- IMPROVED TOTAL SYNTHESIS OF RACEMIC RUTAMARIN
[作者:TONG LING; XIONG RUISHENG; JIANG HONG; JIANG XIANGRUI; SUN HONGBIN; JIANG HUALIANG; SHEN JINGSHAN,期刊:Heterocycles, 页码:1697-1702 , 文章类型: Article,,卷期:2010年81-7]
- An improved, convenient and cost-effective process, using 2,4-dihydroxybenzaldehyde 2 as starting material for (+/-)-rutamarin 1, is described. The overall yield of 1 is 44% in eight steps, requiring no chromatographic p...
- SYNTHESIS OF GALACTO- AND MANNOSUCROSES
[作者:UEDA ATSUSHI; YAMASHITA TAKANORI; UENISHI JUNICHI,期刊:Heterocycles, 页码:1711-1720 , 文章类型: Article,,卷期:2010年81-7]
- A concise synthesis of beta-D-fructofuranosyl alpha-D-galactopyranoside (2), and beta-D-fructofuranosyl alpha-D-mannopyranoside (3) is described. Inversion of the C-3 alpha-hydroxy group of alpha-D-galactopyranosyl and a...
- CHEMITSRY AND BIOLOGICAL ACTIVITIES OF VIBSANE-TYPE DITERPENOIDS
[作者:FUKUYAMA YOSHIYASU; KUBO MIWA; ESUMI TOMOYUKI; HARADA KENICHI; HIOKI HIDEAKI,期刊:Heterocycles, 页码:1571-1602 , 文章类型: Review,,卷期:2010年81-7]
- This review focuses on the structural diversity, biological activities and synthesis of vibsane-type diterpenoids. Vibsane-type diterpenoids are considered to be rarely occurring natural products because they have been f...
|