- Practical Enantiospecific Synthesis of an Orthogonally Protected 1,4-trans-1,5-cis-4,5-Diamino-2-cyclopenten-1-ol Derivative
[作者:WANG BING,期刊:Journal of Organic Chemistry, 页码:6012-6015 , 文章类型: Article,,卷期:2010年75-17]
- An enantiospecific synthesis of an orthogonally protected 1,4-trans-1,5-cis-4,5-diamino-2-cyclopenten-1-ol derivative 16 is reported. The trans-diamine moiety was established by anti-specific vinyl addition to a novel th...
- NbCl3-Catalyzed Intermolecular [2+2+2] Cycloaddition of Alkynes and alpha,omega-Dienes: Highly Chemo- and Regioselective Formation of 5-(omega-Alkenyl-1,4-substituted-1,3-cyclohexadiene Derivatives
[作者:OBORA YASUSHI; SATOH YASUSHI; ISHII YASUTAKA,期刊:Journal of Organic Chemistry, 页码:6046-6049 , 文章类型: Article,,卷期:2010年75-17]
- Intermolecular [2+2+2] cycloaddition of tert-butylacetylene with alpha,omega-dienes was successfully achieved by NbCl3(DME) catalyst to afford 5-omega-alkenyl-1,4-disubstituted-1,3-cyclohexadienes in excellent yields wit...
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