丙二醇

For developing an immunoassay for multiple residues of pyrethroid pesticides, the hapten N-2- carbanmoyl-(3"-phenoxyphenyl) methyl 3-(2"-Cldoro-3",3",3"-trifluoropropenyl)-2, 2-dimethylcyclopropane- carboxylate was synthesized from cyanohydrin and 3-(2"-Chloro-3",3",3- trifluoropropenyl)-2, 2-dimethylcyclopropanecarboxylic acid via hydrolysis and esterification. The synthesis of the hapten was foundation of preparaing anti- cyhalothrin polyclonal antibodies.

为了制备对单一拟除虫菊酯高特异性的抗体，以菊酸和氰醇为起始原料，通过水解、酯化反应合成了半抗原N-2-氨甲酰-(3-苯氧基苄基)甲基-3-(2-氯-3，3，3-三氟丙烯基)-2，2-二甲基环丙烷羧酸酯，为进一步制备抗三氟氰菊酯的特异性抗体奠定基础。

By using a vitrating digital densimeter (DMA602/60), the densities of glycine and alanine in aqueous methanol, ethanol and propanol solutions were measured at 298.15 K, and the apparent molar volumes calculated. According to McMillan-Mayer approach, the volumetric interaction coefficients were evaluated.

用DMA602/60型震动管数字密度计测定了298.15 K下甘氨酸、丙氨酸分别在纯水和四个不同浓度甲醇、乙醇和丙醇水溶液中的密度，计算了相应的表观摩尔体积，用最小二乘法拟合了氨基酸在醇水溶液中的标准偏摩尔体积。

Isocyanate was modified with emulgent DMPA,and then reacted with hydroxyl acrylic resin forming waterborne two-component acrylic polyurethane coatings.

用内乳化剂二羟甲基丙酸对异氰酸酯进行改性，然后将其与丙烯酸酯多元醇反应制备了水性双组分丙烯酸酯聚氨酯涂料。

Hydroxylcarveol(3) and its ester derivatives were synthesized from α-pinene(1), and their structures had been identified by IR, MS, 1H NMR and 13C NMR analysis.

以α-蒎烯(1)为原料，合成了8-羟基别二氢葛缕醇(3)及其甲酸酯(4)、乙酸酯(5)和丙酸酯(6)，并用IR、MS、1H NMR及13C NMR分析对它们的结构进行了表征。

Four new chiral sulfonamide alcohol s were synthesized from camphor and L-phenylalanine and their application to the enantioselective addition of diethylzinc to benzaldehyde was described.

由天然樟脑和-苯丙氨酸合成了4个新的手性磺酰胺醇，并对其在二乙基锌对苯甲醛的不对称加成中的催化性能进行了研究。

Four new chiral sulfonamide alcohols were synthesized from camphor and L-phenylalanine and their application to the enantioselective addition of diethylzinc to benzaldehyde was described.

由天然樟脑和-苯丙氨酸合成了4个新的手性磺酰胺醇，并对其在二乙基锌对苯甲醛的不对称加成中的催化性能进行了研究。

Receptor agonist ; SA4503{1?[2?（3; 4?dimethoxyphenyl）ethyl]?4?（3?phenylpropyl）piperazine}; DTG[3?di（2?tolyl）guanidine]; DHEAS ; PREGS ; learning ; memory

σ受体激动剂； 1-[2-（3； 4-二甲氧基苯基）乙基]-4-（3-苯丙基）哌嗪（SA4503）； 1； 3-二（2-甲苯基胍）；脱氢雄表酮硫酸酯；孕烯醇酮硫酸酯；学习记忆

The anion UV cured water soluble prepolymer was synthesized with toluene diisocyanate, dihydroxy compound, dihydroxyalkyl carboxylic acid, and polyurethane acrylate. The structure of the prepolymer was characterized by infrared spectroscopy.

采用甲苯二异氰酸酯、聚酯二元醇、二羟甲基丙酸和丙烯酸羟乙酯合成水性阴离子型聚氨酯丙烯酸酯，用傅立叶红外光谱证实了该聚合物的结构。

Dipropyl ether will be recovered in the distillate using 1-pentanol.

使用1-戊醇。N.N-二甲基甲酰胺和2-乙氧基乙醇作为共溶剂时二丙醚将在馏分中回收。

To synthesize the octreotide, Phe-Leu-Glu-Glu-Leu and C_(15)H_(31)-CO-Lys-Thr -Thr-Lys-Ser peptides, the strategies are as followings: Fmoc- group as protective group for α-NH_2; TBTU, DIEA and HOBt as coupling reagent; and ethanedithiol -phenol - thioanisole - H_2O - TFA ( 2.5:5:5:5:82.5 , V/V ) as cleaving solution.

采用Fmoc固相合成法，以苯并三哗四甲基脲四氟硼酸盐、二异丙基乙胺和1-羟基苯骈三氮唑为缩合剂；苯酚—乙二硫醇—苯甲硫醚—水—三氟乙酸(5：5：2.5：5：82.5，V/V)为切割试剂，合成了奥曲肽、Phe-Leu-Glu-Glu-Leu及C_(15)H_(31)-CO-Lys-Thr-Thr-Lys-Ser三种小分子多肽，并对奥曲肽的合成规模进行了放大。

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。