己酸酯

Di-2-ethylhexyl adipate was synthesized with complex solid super acid SO(superscript 2- subscript 4)/ZrO2-TiO2 as catalyst. Effects of catalyst dosage, molar ratio of adipic acid to 2-ethyl hexanol, reaction temperature on reaction were studied.

以复合固体超强酸SO(上标 2-下标 4)/ZrO2-TiO2为催化剂合成了己二酸二（2-乙基）己酯，考察了催化剂用量、酸醇投料比和反应温度对反应的影响。

Cis-3-hexen-1-ol, butyl acetate, ethyl butyrate, hexanal, trans-2-Hexen-1-al, propyl propionate that consists of green leaf volatiles and cymene were the most attractive compounds.

顺-3-己烯醇、乙酸丁酯、丁酸乙酯、丙酸丙酯及伞花烃等对光肩星天牛具有较强的正趋性反应。

Second, using DBU as the base for enolization of propargylic esters of unsaturated acids 18e-k, we developed a tandem Ireland-Claisen rearrangement /isomerization reactions. It has been shown that the reaction sequence affords triene molecules 42a-b and 43a-b in moderated to high yields. Interestingly, with allyl hexa-3,5-dienoates 18i-j as the substrate, the rearranged products underwent further aromatization to give uniquely substituted benzyl acids 44a-b.

其次，以含有活泼质子的烯酸炔丙酯18e-k为底物，在DBU为烯醇化碱、TMSCl为硅试剂的条件下，底物18e-h发生了Ireland-Claisen重排/异构化串联反应，得到完全共轭的三烯类化合物42a-b及43a-b；而以己二烯酸炔丙基酯18i-j为底物时，重排/异构化后的产物进一步发生电环化等反应最终得到芳构化产物——取代苯甲酸类化合物44a-b。

In order to further understand combining characteristic of cyclohexyl methylphosphonofluoridate and isopropyl methylphosphonofluoridate and contribute more scientific data for its medical protection, the potency of inhibition of acetylcholinesterase activity induced by GF, GF+GB and the effects of reactivation by oximes pyramidoxime monohydrate(HI-6) and pyridine-2-aldoxime methylchloride(2-PAM-Cl) in rat brain were investigated with DTNB microanalysis in this study.

为进一步了解甲氟膦酸环己酯与甲氟膦酸异丙酯的联合特性，为制订医学防护措施提供更多的理论依据，用微量DTNB法对GF，GB和GF与GB混合对大鼠脑乙酰胆碱酯酶的抑制及肟类重活化剂酰胺磷定（HI-6）和氯磷定（2-PAM-Cl）的重活化作用进行了研究。

In present study, a liquid-liquid extraction method was employed to extract the volatile components in mulberry fruit sparkling wine. The analysis with gas chromatography-mass spectrometry detected 69 peaks, among which 63 volatile components were identified. The first 9 volatile components with high relative content were benzyl alcohol, 2-methyl-1-butanol, mono-(2-ethylhexyl)-1, 2-benzene dicarboxylic acid, 3-methyl-1-butanol, toluene, acrylic acid butyl ester, 1H-indole-3-ethanol, isodecyl octyl phthalate and decyl octyl phthalate.

采用液－液萃取法提取桑椹汽酒中的挥发性成分，经气相色谱－质谱联机分析，共检测出69个峰，鉴定出63种挥发性化合物，其相对含量排在前9位的挥发性化合物分别是苯乙醇、2-甲基－1-丁醇、1，2-苯二酸单（2-乙基）己酯、3-甲基－1-丁醇、甲苯、丙烯酸丁酯、1H-吲哚－3-乙醇、邻苯二甲酸异癸基辛基二酯、邻苯二甲酸癸基辛基二酯。

SM6 and SM7 of uncrystal were analyzed through GC-MS, the results showedthat SM6 main contained unsaturated fatty aldehyde with fragrance, i.e.-2,4-decadienal(58%), tetradecanoic acid (55.78%), 2-decenal(50%), Phthalic acid isobutylundecyl ester(47%), 2, 4-Decadienal(41%), 2-Undecenal (31%), 2-Methyl-Z,Z-3, 13-octadecadi-enol(18.84%), and SM7 contained saturation alkanes, i.e. 1, 2-Benzenedicarboxylic acid, butyl cyclohexyl ester(23.90%), Triacontane(22.63%),Nonacosane(21.04%), Heptadecane(18.84%), Octacosane(13.58%). Toxicological experiments were done to insure the pigment safety.

并对紫红丝膜菌色素非晶体部分的黄色油状物SM6和紫色粉末物SM7作了GC-MS分析，结果显示SM6中主要为具有香气成分的不饱和脂肪醛，其中含量较高的依次为：-2，4-癸二烯醛(58％)、十四烷酸(55.78％)、2-癸烯醛(50％)、邻苯二甲酸异丁基十一烷酯(47％)、2，4-癸二烯(41％)、2-十一碳烯醛(31％)、2-甲基-Z，Z-3，13-十八碳二烯酸(18.45％)等；SM7中主要为饱和直链烷烃，其中含量较高的依次为：1，2-苯二羧酸丁基环己酯(23.90％)、三十烷(22.63％)、二十九烷(21.04％)、十七烷(18.84％)、二十八烷(13.58％)。

Dihexyl sebacate was synthesized from sebacic acid and n-hexanol with silicotungstic acid as catalyst.

以硅钨杂多酸为催化剂，癸二酸和正己醇为原料合成了癸二酸二己酯。

The density, binding energy and radical distribution function of HTPB/plasticizers blends and binder hydroxyl-terminated polybutadiene, and plasticizer dioctyl sebacate, dioctyl adipate, dibutyl phthalate, dioctylphthalate were calculated by molecular dynamics simulation for evaluating compatibility of HTPB and plasticizers.

为评价端羟基聚丁二烯与增塑剂相容性的优劣，采用分子动力学模拟方法对纯HTPB、增塑剂癸二酸二辛酯、己二酸二辛酯、邻苯二甲酸二丁酯、邻苯二甲酸二辛酯及HTPB与增塑剂组成的共混物的密度、结合能和径向分布函数等进行了计算。

0 H; reaction temperature: 140～ 150°C ; molar ratio of p toluene sulphonic acid to salicylic acid, 1∶11, with no water carrying reagent; yield: about 98%.

应用对甲苯磺酸作为水杨酸和 2 -乙基己醇的酯化催化剂，成功合成了水杨酸- 2 -乙基己酯。

The synthetic process for a new plasticizer used in low temperature, dibutyl nylonic acid ester, was introduced.

介绍了一种新型耐寒增塑剂尼龙酸二正丁酯的合成工艺，用价廉、易得的尼龙酸(由制己二酸母液中获得的C4～C6混合二元酸)及正丁醇为原料，浓硫酸为催化剂，经酯化、脱醇、中和、沉降及减压蒸馏等工序而制得产品。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。