我们通过“一锅法”合成不对称化合物,缩短了化合物上一条侧链的方法来降低分子的对称性。
We have synthesised unsymmetrical compounds through a "one-pot"process, achieving reduced symmetry by shortening one side chain of target compound.
催化不对称合成是制备光学活性化合物的有效方法,金属有机化合物作为试剂或催化剂在这一领域得到了广泛的应用。
The catalyzed asymmetric synthesis was the effective method to prepare the optics active compounds, the pentamethide obtaines the widespread application as the reagent or the catalyst in this domain.
本文简要综述了金属有机化合物在不对称合成中的应用与进展。
This article briefly summarized the application and progress of the organometallic compound in the asymmetric synthesis.
结合非水相生物催化的优势利用微生物细胞催化不对称还原羰基化合物可以有效地制备这些手性醇。
Combining the advantages of biocatalysis in nonaqueous media, asymmetric reduction of corresponding carbonyl compounds using microbial cells is an efficient method to produce these chiral alcohols.
按配位原子的数目和种类进行分类,综述了近年来含硫的手性配体在有机锌试剂和醛等化合物的不对称加成反应中的最新研究进展。
Recent developments in organozinc reagents on asymmetric addition catalyzed by sulfur-containing chiral ligands are reviewed according to the type and number of the coordinating atoms.
本课程集中研究化学中的非过渡元素及其化合物,并强调其对称,结合,周期性及性质的描述。
This course concentrates on the chemistry of non-transition elements and their compounds, with emphasis on symmetry, bonding, periodic properties and the descriptive chemistry of selected groups.
金属有机化合物是不对称合成中常用的有机试剂。
The organometallic compounds are organic reagents in common use for the asymmetric synthesis.
它能用于菊酸及其它化合物的不对称合成。
By using this catalytic method, the synthesis of chiral chrysanthemic acid and other optically active compounds can be realized.
我们对解释新发现的铁基化合物中的超导体能隙对称性提出一个方案。
We present a scenario for the gap symmetry observed in newly discovered unconventional superconductivity of Fe-based layered compound.
本文综述了应用手性高分子试剂和催化剂对潜手性化合物通过不对称氧化、还原、烷基化、加成反应进行不对称合成的进展情况。
This review deals with the recent progress in asymmetric synthesis using chiral polymeric reagents and catalysts for oxidation, reduction, alkylation and addition of prochiral compounds.
本发明公开了一种通式(1)的具有对称结构的含咔唑和萘酰亚胺基团的化合物及制备方法。
The invention discloses a compound which is as shown in a general formula (1), has a symmetrical structure and contains carbazole and naphthalimide radicals, and a method for preparing the same.
叙述了光学活性甘油醇及其衍生物等手性C3合成子的合成方法,以及这些手性化合物在不对称有机合成中的应用,参考文献24篇。
The synthetic methods for such chiral C3 synthons as optically active glycerol and derivatives, which are widely used in asymmetric synthesis, were reviewed with 24 references.
手性胺化合物广泛存在于自然界中并扮演着重要的角色,亚胺的不对称催化还原反应是制备手性胺化合物的最直接有效的方法。
Chiral amines widely existed and play an important role in the nature. Catalytic asymmetric reduction of imines represents one of the most important methods for preparing chiral amines.
不对称合成是当代有机合成的热点,不对称催化方法是获取单一异构手性化合物最具有前景的方法之一。
Asymmetric synthesis is the hot point of organic synthesis in recent years. Asymmetric catalytic method is one of the most prospective methods to obtain pure chiral compounds.
所述手性化合物可用作催化剂,优选可用作不对称转移氢化方法中的催化剂。
The chiral compound can be used as a catalyst, preferably in an asymmetric transfer hydrogenation process.
文摘:综述了光活性化合物动力学拆分法的研究进展及其在不对称合成中的应用。
Abstract: the recent progress is kinetic resolution and its applications in asymmetric synthesis are reviewed.
近期进展是利用手性辅助试剂,不对称合成链状和环状的1,4-二羰基化合物。
Recent developments making use of chiral auxiliaries have put forward the versatility of procedure for the asymmetric synthesis of linear and cyclic 1,4-dicarbonyl compounds.
手性氨基-羟基化合物是一类用于催化不对称合成和手性辅助合成的重要配体。
Chiral amino-hydroxy compounds have been proved to be a very efficient class of ligands in a variety of catalytic asymmetric syntheses and chiral auxiliary synthesis catalyzed by metallic ions.
我们采用酶促法或不对称合成法,建立起对映面选择性地合成这些具季碳氨基酸化合物的有效途径。
We have developed a synthetic method for the preparation of their kind of compounds in high enantioseletive way by lipase-catalyzed desymmetric acetylation of diols.
目标化合物以甘油、硝基甲烷为三方向起始核心,以从季碳原子三倍对称分散的化合物1~3为分支侧链。
Three branched monomers 1 ~ 3, possessing 3 - fold symmetry and branches emanating from a tetrahedral carbon branch point, were utilized as the key building block in the dendrimer syntheses.
综述了近年来不对称酞菁化合物的合成进展及不对称酞菁在有机非线性光学、电荷转移、催化剂,分子整流器等领域的研究与应用。
The synthesis of asymmetrical phthalocyanines and their recent studies in the field of organic non-linear optics, charge transfer materials, catalysts and molecular rectifiers are reviewed.
对称重氮化合物,含有它们的组合物,染色方法和设备。
Symmetrical diazo compounds, compositions comprising them, method of coloring, and device.
手性醇是药物合成的重要手性砌块,利用生物催化剂不对称还原羰基化合物是手性醇制备的重要方法。
Chiral alcohols are important building blocks for drug synthesis. The asymmetric reduction of carbonyl compounds with biocatalysts is an important method for producing chiral alcohols.
综述了近年来利用面包酵母催化不对称合成手性化合物的研究进展,着重讨论了利用面包酵母可进行的多种手性试剂的催化合成的反应类型。
This review covers the application of baker's yeast to the asymmetric synthesis of chiral reagent. The types of catalytic synthesizing chiral reagent by using baker's yeast were introduced.
不对称合成法:在化合物中形成两种不等数量的同分异构体的化学反应。
Asymmetric synthesis: Chemical reaction by which unequal amounts of two product isomers are formed.
本课题的研究内容是方便、简单地合成手性前体hpba,采用化学拆分法制备手性化合物(R) - HPBA,并进行使用手性相转移催化剂不对称合成(?)
In this paper, we expediently, simply synthesized the racemic HPBA, prepared (r) -hpba which using chemical resolution and were engaged in studying the asymmetric synthesis of (?)
二茂铁及其衍生物作为一类重要的金属有机化合物,广泛应用于材料科学、生物医药、不对称催化等相关领域。
Ferrocene and its derivatives are a class of important organometallic compounds and widely used in the field of material science, bio-medical chemistry, asymmetric catalysis.
评述了近年来手性金属配合物催化的前手性羰基化合物的不对称硅氢化反应研究进展。
Recent advances in asymmetric hydrosilylation of prochiral carbonyl compounds catalyzed by chiral transition metal complexes are reviewed in this paper with47 references.
评述了近年来手性金属配合物催化的前手性羰基化合物的不对称硅氢化反应研究进展。
Recent advances in asymmetric hydrosilylation of prochiral carbonyl compounds catalyzed by chiral transition metal complexes are reviewed in this paper with47 references.
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