1) asymmetric Mannich reaction
不对称Mannich反应
1.
The reported organocatalyst for asymmetric Mannich reaction includes proline derivatives,chiral phosphoric acids,chiral(thio)urea derivatives,cinchona alkaloids etc.
不对称Mannich反应是合成光学活性β-氨基羰基化合物的有效手段。
2.
The direct asymmetric Mannich reactions catalyzed by the small organic molecule have been recognized due to their excellent enantioselectivities.
有机小分子催化的直接不对称Mannich反应因其高的对映选择性而备受关注。
3.
The catalytic performance of the catalyst was measured for asymmetric Mannich reaction.
用X射线衍射、N2吸附-脱附、扫描电镜和红外光谱等手段对Pro/SBA-15催化剂进行了表征,并考察了催化剂在不对称Mannich反应中的催化性能。
2) 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 。
3) response asymmetry
反应不对称
5) Mannich reaction
Mannich反应
1.
Study on Mannich reaction in ionic liquids;
离子液体中的Mannich反应研究
2.
Iodine catalyzed Mannich reaction of aromatic ketones with aromatic aldehydes and aromatic amines:three component one-pot synthesis of β-Amino ketone derivatives;
碘催化芳香酮、芳香醛和芳香胺的Mannich反应:三组分“一锅法”
3.
Preparation of new amino resin by Mannich reaction and adsorptive features of cheleating resins synthesized from it;
Mannich反应制备氨基树脂及由其制备的螯合树脂的吸附性能
6) Mannich reaction
Mannich 反应
1.
Intermediate 2-(dimethylamino)-3-methylcyclopent-2-enone was prepared with 2-methylfuran as the starting material through Mannich reaction,rearrangement reaction and subsequent condensation reaction.
以2-甲基呋喃为起始原料,经 Mannich 反应、重排反应开环与随后的缩合反应关环制得中间体2-二甲氨基-3-甲基-2-环戊烯-1-酮,再经水解反应合成得香料化合物2-羟基-3-甲基-2-环戊烯-1-酮,总收率达52。
2.
Mannich Reaction and It's Application in the Synthesis of Alkalaide;
本文详细讨论了 Mannich 反应、机理及其在生物碱合成中的应用,并利用 Mannich 反应合成了两种生物碱。
补充资料:不对称成环反应
分子式:
CAS号:
性质:生成不对称环状化合物的反应。例如不对称环丙烷化。
CAS号:
性质:生成不对称环状化合物的反应。例如不对称环丙烷化。
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