亚胺

Synthesis of Arylenealkyne Conjugated Macrocycles Containing Long Alkylene Bridge;2. Rigid,planar structures have been modified through incorporation of new additional groups to generate sharp-persistent imine macrocycles in very high yields.

我们设计并合成了一类氢键诱导下构象受限的芳酰胺寡聚体，以此模块作为前体，利用动态共价键的方法，高产率(80%-89%)地合成了一系列新的亚胺大环。

They can be linked to the bulky side group by ester, amide, ether, and imine group.

它们与大体积侧基相联的桥键可以是酯键、酰胺键、醚键，也可以是亚胺键。

Ketimine, which is prepared by acetone and ethylene diamine or hexamethylene diamine was used as potential chain extender to improve the properties of aqueous polyurethane resin.

用丙酮分别和乙二胺、己二胺反应制备酮亚胺，并以其作为潜伏性扩链剂改善水性聚氨酯的性能。

Company is a new comprehensive private chemical enterprise, covers an area of 560,000 square meters, with assets of 230 million yuan, mainly the production of urea, ammonium bicarbonate, melamine, compound fertilizer, methanol, Isocyanuric acid, liquid carbon dioxide, cyclohexylamine, cycloheximide, oxygen, bio-ching aldehyde chemical products, etc., business cover chemical production, warehousing logistics, agricultural operations, container manufacturing industry, the adoption and implementation of ISO9001 Quality System Certification, ISO14000 Environment System Certification and OHSAS18000 Occupational Health System Certification .

公司属新型综合性民营化工企业，占地面积56万平方米，拥有资产2.3亿元，主要生产尿素、碳酸氢铵、三聚氰胺、复合肥、甲醇、异氰脲酸、液体二氧化碳、环己胺、环己亚胺、氧气、生物清醛剂等化工产品，业务涵盖化工生产、仓储物流、农资经营、容器制造等行业，通过并实施ISO9001质量体系认证、ISO14000环境体系认证与OHSAS18000职业健康体系认证。

Based on 26B4APBN monomer, polyamic acid was obtained by polymerization with pyromellitic dianhydride, and further imidized into polyimide film by heating process.

由二胺单体和均苯四甲酸二酐进行聚合得到26B4APBN/PMDA聚酰胺酸，再经热亚胺化得到聚酰亚胺薄膜；测试了该薄膜的接触角，讨论了单体分子结构对聚合物接触角的影响。

A series of novel amphipathic macrocyclic polyamine ligands derived from iminodiacetic acid and diethylene triamine have been synthesized and characterized by MS, 1H NMR, IR spectra and elemental analysis.

以亚胺基二乙酸和二乙撑三胺为原料，通过关环等反应合成了一类侧链含有羟基的新型两亲性大环多胺。

The invention relates to a pipeline polyurea outer anticorrosive coating and the making method thereof, making heated prepolymerization reaction on dibenzo-methane diisocyanate, carbodiimide diisocyanate, polyether binary alcohol and polyether trihydric alcohol to prepare prepolymer solution A, and making end amino polyethylene oxide ether, dimethyl sulfur-based toluene diamine, diethyl diamine, iso-propyl titanate solution, polyacrylate, carbon black, titanium dioxide and lightweight calcium carbonate into solution B, and as using, respectively heating the solutions A and B to 65 deg.C and then mixing them, then quickly spraying and curing to form a coat.

本发明涉及一种管道用聚脲外防腐涂料及制造方法，由二苯基甲烷二异氰酸酯、碳化二亚胺化二异氰酸酯、聚醚二元醇和聚醚三元醇通过加热预聚反应制成预聚物的A液、由端氨基聚氧化乙烯醚、二甲硫基甲苯二胺、二乙基甲苯二胺、钛酸异丙酯溶液、聚丙烯酸酯溶液、碳黑、钛白粉和轻质碳酸钙配制而成的B液组成，使用时将A液和B液分别加热至65℃后混合，然后快速喷涂固化形成涂层。

Thirty-one new chiral phosphorus compounds have been synthesized starting from D-camphor,-alpha-phenylethylamine,-Betti base,-1-(4-nitrophenyl)-2-amino- propane-1,3-diol, L-amino acids (such as serine, phenylalanine, proline etc.) and their application as organocatalysts in asymmetric trimethylsilylcyanation of aldehydes and asymmetric borane reduction of prochiral ketones and ketimines were investigated.

该项目从D-樟脑、-alpha-苯乙胺、-Betti碱、-氯酶胺、L-氨基酸（如丝氨酸、苯丙氨酸、脯氨酸等）出发合成了31个新的手性磷化合物，研究了它们作为有机催化剂在醛的不对称硅氰化反应、潜手性酮的不对称硼烷还原反应以及亚胺的不对称硼烷还原反应中的催化效果。

Catalytic enantioselective reduction of imines represents one of the most straightforward and efficient methods for the preparation of chiral amines, an important intermediate for the synthesis of natural products and chiral drugs.

中文摘要手性胺是合成天然产物和手性药物的重要中间体，亚胺的不对称催化还原是制备光学活性手性胺的最直接有效的方法之一。

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.

摘 要：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。

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。