1) asymmetric aldol reaction
不对称Aldol反应
1.
Research on the Asymmetric Aldol Reaction of Multicarbonyl Phosphonates;
含膦酸酯的多羰基化合物的不对称Aldol反应研究
2.
L-Proline and its derivatives can catalyze direct asymmetric aldol reactions and obtain excellent yields and enantioselectivities.
L-脯氨酸及其衍生物能有效的催化直接不对称Aldol反应并获得高收率、高对映选择性的Aldol产物。
3.
Herein,the research on chiral auxiliary or chiral catalyst mediated asymmetric aldol reactions and their applications in the total synthesis of natural products within recent five years are reviewed.
不对称aldol反应是天然产物全合成领域中应用最为广泛的反应之一。
2) direct asymmetric aldol reaction
直接不对称Aldol反应
1.
Preparation of (S)-N-(2-aminophenyl)-pyrrolidine-2-carboxamide and its application in direct asymmetric Aldol reaction;
(S)-N-(2-氨基苯基)四氢吡咯-2-甲酰胺的合成及其在直接不对称Aldol反应中的应用
2.
Three kinds of polymer-supported catalysts loaded L-proline 6a～6c were prepared and their catalytic activity were screened by the direct asymmetric aldol reaction of acetone and 4-nitrobenzaldehyde.
以4-硝基苯甲醛、丙酮的Aldol反应为模型对它们的催化活性进行了筛选,6b为最佳催化剂,它催化的醛与丙酮的直接不对称Aldol反应(收率60%~68%,62%~82%ee)与L-脯氨酸催化的该反应(收率60%~68%,60%~85%ee)相当。
4) diastereoselective Michael/Aldol annulation
不对称Michael/Aldol串联反应
5) asymmetric reaction
不对称反应
1.
Recent advances in addition,reduction,and asymmetric reactions of imines were reviewed.
亚胺是一类羰基化合物(醛或酮)与氨(胺)的缩合产物,作者综述了近年国内外亚胺在加成、还原和不对称反应等方面的研究进展。
2.
Usually they are used as chiral auxiliaries, chiral catalysts and chiral ligands in asymmetric reactions.
聚合物支载噁唑类化合物主要包括聚合物支载噁唑烷酮﹑噁唑啉和硼杂噁唑啉等,其在不对称反应中主要用作手性助剂﹑手性催化剂及催化剂配体。
3.
In the past several years, proline has been gradually recognized as a simple, abundant and powerful chiral organocatalyst for many asymmetric reactions.
综述了这几年来脯氨酸直接催化不对称反应的进展 。
6) response asymmetry
反应不对称
补充资料：asymmetric aldol condensation
分子式：
CAS号：
性质：以醇醛缩合反应进行不对称合成。例如丙2,6-二叔丁基-4甲基苯酚酯在四氢呋喃(THF)的溶液中，在-78℃下用二异丙胺基锂(LDA)处理，接着与苯甲醛发生醇醛缩合反应，然后水解，即生成苏式产物。
CAS号：
性质：以醇醛缩合反应进行不对称合成。例如丙2,6-二叔丁基-4甲基苯酚酯在四氢呋喃(THF)的溶液中，在-78℃下用二异丙胺基锂(LDA)处理，接着与苯甲醛发生醇醛缩合反应，然后水解，即生成苏式产物。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条