氨基乙酸

The obtained compound (2) was treated with borane-tetrahydrofuran (B2H6–THF) complex under nitrogen atmosphere in excessive THF for 18 h to give a kind of dark brown oil,followed by ammonolysis with NH3·H2O in autoclave at 100 ℃ for 6 h to produce 2-(5-amino-2- nitrophenyl) ethanol (3) in 84.4% yield.

用硼烷还原5-氟-2-硝基苯乙酸后，接着用氨水在高压釜中加热到100 ℃氨解，得到2-(5-氨基-2-硝基苯)乙醇（84.4%）。

Aim To study the preparation conditions of the metal chelate gel with chitosan as support.

目的 研究利用壳聚糖为载体、戊二醛为交联剂、亚氨基二乙酸为螯合配基制备金属登合亲和吸附剂的条件。

The effect of the addition of trisaminomethane on the separation of diethylstilbestrol and its cleavage product wasstudied.

该方法中以甲醇作为溶剂，以乙酸钠作为电解质，研究了三羟甲基氨基甲烷的加入对分离己烯雌酚及其分解产物的影响。

Nonaqueous titration;Aminocaproic acid;Hydrochloride;Hyperehloric acid-acetic acid;Potentiometric titration

非水滴定；6-氨基己酸；6-氨基己酸盐酸盐；冰乙酸-高氯酸；电位滴定

The use of benzazepin-N-acetic acid derivatives which contain an oxo group in the a position to the nitrogen atom and are substituted in the 3 position by a 1--cyclopentyl-carbonyl-amino radical, and of their salts and biolabile esters, for the prophylaxis and/or treatment of heart damage caused by cardiotoxic doses of medicaments or chemicals, in larger mammals and in particular humans.

本发明涉及苯并氮杂∴－N－乙酸衍生物及其盐和生物不稳定的酯的应用，其中苯并氮杂∴－N－乙酸衍生物在氮原子的α位置含有氧代基，且在3－位置上被1－－环戊基－羰基－氨基残基取代，用于预防和/或治疗大的哺乳动物和特别是人体的心脏损伤，其中心脏损伤是由心脏中毒剂量的药物或化学品引起的。

The synthesis of the intermediate amidetriazinone was a crucial step in the synthesis of triazinone. Ethyl acetate was used as the initial material then was carried out for five steps hydrazine hydrate, triphosgene, chloroacetone, hydrazine hydrate respectively with the yield of 59.8%.

三嗪酮类化合物的合成关键是中间体氨基三嗪酮，本文以乙酸乙酯为起始原料，经过酯的肼解、成环反应、胺的烷基化、酮和肼的缩合、酰胺的水解五步反应合成中间体氨基三嗪酮，其收率达59.8%。

METHODS 5-amino-1-hydroxyethyl pyrazole-4-carboylic acid was synthesized through condensation of ethyl cyanoacetate and triethyl orthoformate followed by one-pot methodology of cyclization,hydolysis.

方法原甲酸三乙酯与氰乙酸乙酯缩合，然后和羟乙基肼经环合、水解等一锅法合成5-氨基吡唑-4-甲酸，然后在亚硫酸钠存在条件下加热脱羧得到5-氨基-1-羟乙基吡唑。

With solid sulfanilic acid as catalyst we can synthesize iso-amyl acetate from acetic acid and iso-amyl alcohol .

用固体酸对氨基苯磺酸作催化剂，以异戊醇和冰乙酸直接酯化合成乙酸异戊酯。

Aspartic acid An AMINO ACID formed by transamination, in which the amino group of dlutamic acid is transferred to oxaloacetic acid.

天冬氨酸：由转氨基作用形成的一种氨基酸，谷氨酸的氨基基团被转移到草酰乙酸中。

Keywords near-critical water;self-catalysis;iminodiacetonitrile;iminodiacetic acid;hydrolysis

近临界水；自催化；亚氨基二乙腈；亚氨基二乙酸；水解

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。