• 我们通过一锅法合成对称化合物缩短化合物方法降低分子的对称

    We have synthesised unsymmetrical compounds through a "one-pot"process, achieving reduced symmetry by shortening one side chain of target compound.

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  • 催化对称合成制备光学活性化合物有效方法金属有机化合物作为试剂催化剂一领域得到广泛应用

    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.

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  • 本文简要综述了金属有机化合物对称合成中的应用进展

    This article briefly summarized the application and progress of the organometallic compound in the asymmetric synthesis.

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  • 结合生物催化优势利用微生物细胞催化对称还原羰基化合物可以有效制备这些手性

    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.

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  • 原子数目种类进行分类,综述了近年含硫手性配体有机锌试剂和醛等化合物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.

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  • 课程集中研究化学中的非过渡元素及其化合物,并强调对称结合周期性性质描述

    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.

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  • 金属有机化合物对称合成常用有机试剂

    The organometallic compounds are organic reagents in common use for the asymmetric synthesis.

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  • 用于其它化合物对称合成

    By using this catalytic method, the synthesis of chiral chrysanthemic acid and other optically active compounds can be realized.

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  • 我们对解释发现化合物中的超导体能对称提出一个方案

    We present a scenario for the gap symmetry observed in newly discovered unconventional superconductivity of Fe-based layered compound.

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  • 本文综述应用高分子试剂催化剂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.

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  • 发明公开了一通式1)的具有对称结构咔唑酰亚胺基团化合物制备方法

    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.

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  • 叙述了光学活性甘油醇及其衍生物C3合成子的合成方法,以及这些手性化合物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.

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  • 化合物广泛存在于自然界扮演重要角色,亚对称催化还原反应制备手性胺化合物直接有效的方法。

    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.

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  • 对称合成当代有机合成热点,不对称催化方法获取单一异构手性化合物具有前景方法之一。

    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.

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  • 手性化合物可用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.

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  • 文摘综述活性化合物动力学拆分法的研究进展及其对称合成中的应用

    Abstract: the recent progress is kinetic resolution and its applications in asymmetric synthesis are reviewed.

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  • 近期进展利用手性辅助试剂对称合成链状环状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.

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  • 性氨基-羟基化合物一类用于催化对称合成手性辅助合成重要配体

    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.

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  • 我们采用酶法或不对称合成建立起对映面选择性地合成这些季碳氨基酸化合物有效途径

    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.

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  • 目标化合物甘油、硝基甲烷方向起始核心,以碳原子对称分散的化合物13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.

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  • 综述近年来对称化合物合成进展对称酞菁有机非线性光学电荷转移催化剂分子整流器等领域研究与应用。

    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.

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  • 重氮化合物,含有它们组合物染色方法设备

    Symmetrical diazo compounds, compositions comprising them, method of coloring, and device.

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  • 药物合成重要手性砌块利用生物催化剂对称还原羰基化合物手性醇制备重要方法。

    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.

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  • 综述了近年来利用面包酵母催化对称合成化合物研究进展,着重讨论了利用面包酵母可进行多种手性试剂的催化合成反应类型

    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.

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  • 对称合成法化合物形成两种不等数量同分异构体的化学反应

    Asymmetric synthesis: Chemical reaction by which unequal amounts of two product isomers are formed.

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  • 课题的研究内容是方便简单地合成手性前体hpba采用化学拆分法制手性化合物(R) - HPBA,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 (?)

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  • 二茂铁及其衍生物作为一类重要金属有机化合物广泛应用于材料科学生物医药、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.

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  • 评述了近年金属配合催化的前手性羰基化合物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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  • 评述了近年金属配合催化的前手性羰基化合物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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