从金属络合吸收剂的结构出发,分析了铁、钴等金属中心离子和氨基羧酸类或巯基类配体的配位化学;
Starting from the metal complexes solution structures, this paper analysizes the ligand chemistry of metal centers such as iron and cobalt and binding of aminocarboxylate and thiochelate complexes.
一类由一个分子的氨基与另一个分子的羧酸基之间,缩合而生成的聚酰胺。
A group of polyamides formed by the condensation between an amino group of one molecule and a carboxylic acid group of another.
羧酸中的羟基被氨基取代后,生成的化合物,也可看作是氨的氢被酰基取代的衍生物。
The hydroxyl amino acid has been replaced, the resulting compounds can also be regarded as ammonia hydrogen has been replaced by acyl derivatives.
有双环氨基取代的吡啶酮羧酸衍生物,其酯及盐,以及可用作其中间体的双环类胺。
Pyridonecarboxylic acid derivative substituted by bicyclic amino group, ester thereof, salt thereof, and bicyclic amine as intermediate thereof.
在各种氨基酸比方丙氨酸以及苹果酸和草酰乙酸合成中作为前体。苹果酸与草酰乙酸均是三羧酸循环的中间产物。
It is a precursor in the synthesis of various amino acids, such as alanine, and of malic acid and oxaloacetic acid, both intermediates in the KREBS CYCLE.
重点叙述了某些光学活性中间体的工业合成技术,包括手性氨基酸、手性羧酸、手性醇、手性胺和手性环氧化物。
The industrial synthesis of certain optically active intermediates, including chiral amino acids, carboxylic acids, alcohols, amines and epoxides is reviewed.
发明的两性离子共聚物是由从对羧酸质子内部转移到丙烯酰胺或丙烯酸单体氨基酸组的三元共聚物。
The zwitterion terpolymers of the invention are made from the terpolymers by internal transfer of the proton of the carboxylic acid to the amino group of the acrylamide or acrylate monomer.
已知乙酰乳酸合酶特定氨基酸突变可以提高对抑制乙酰乳酸合酶类除草剂的抗性,如碘酰脲类和嘧啶羧酸类除草剂。
Mutations of specific amino acids in ALS have been known to confer resistance to ALS-inhibiting herbicides such as sulfonylureas and pyrimidinyl carboxy (PC) herbicides.
一种低聚体和由α-羟基羧酸和α-氨基酸或肽组成的副低聚体的酶合成成分。
An enzymatic synthesis and composition of oligomers and co-oligomers comprised of . alpha. -hydroxy carboxylic acids and . alpha. -amino acids or peptides is disclosed.
介绍了硼氢化钠还原羧酸及其衍生物的机理,综述了硼氢化钠在羧酸、羧酸酯、酰胺、酰氯和氨基酸及其衍生物还原中的应用。
In this article, the mechanism and the methods used for the reduction of carboxylic acids, esters, amides, acid chloride, amino acids and the...
本发明涉及一种稳定的、高纯度的7-苯乙酰氨基-3-吡啶甲基-3-头 孢菌素-4-羧酸对甲氧苄酯晶体及其制备方法。
The present invention relates to the stable and high purity 7-phenacetylamino-3-pyridylmethyl -3-cynnematin-4-p-methoxybenzyl carboxylic ester crystal and its preparation process.
本发明涉及一种稳定的、高纯度的7-苯乙酰氨基-3-吡啶甲基-3-头 孢菌素-4-羧酸对甲氧苄酯晶体及其制备方法。
The present invention relates to the stable and high purity 7-phenacetylamino-3-pyridylmethyl -3-cynnematin-4-p-methoxybenzyl carboxylic ester crystal and its preparation process.
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