三苯基的

Three ways leads to the synthesis of fenclorin, one way discussed here has 3 steps. Stepl :benzonitrile using as raw material goes though dry hydrogen chloride and becomes a-imino phenylmethyl ether after meet carbinol.

解草啶的合成主要有三条路线，本文选取合成路线是以苯甲腈为原料，经三步反应而成：1、苯甲腈在干燥的氯化氢通入，与甲醇形成亚氨基苯甲醚，通入氨气后置换甲氧基得到苯基脒盐酸盐(收率76.18%)。2、苯基脒盐酸盐在碱性条件下与丙二酸二乙酯环合而得嘧啶醇(收率84.39%)。3、嘧啶醇在三氯氧磷中羟基被氯化得到产品解草啶(收率87.29%)。

Six derivatives of 4-phenyl-3-phenoloxymethyl-5-mercapto-1,2,4-triazlyole were synthesized from phenoloxyacetyl hydrazide by two-steps reaction under microwave irradiation, then reacted with 2-chloroacetic acid to give six novel derivatives of 2-(3-phenoxymethyl-4-phenyl-[1,2,4]triazole-5-thio)-acetic acid.

在微波辐射条件下，芳氧乙酰肼经两步反应制得4-苯基－3-芳氧甲基－1，2，4-三唑－5-硫酮衍生物，再与氯乙酸反应得到6种尚未见文献报道的2-（3-芳氧甲基－4-苯基－1，2，4-三唑－5-硫基）乙酸衍生物。

New ruthenium benzylidene complexes benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] [k~2-diphenylphosphinoacetato] monochlororuthenium (46), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene][k~2-3-propionato]monochlororuthenium (47), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] [k~2-2-benzonato]monochlororuthenium (48) featured five-membered, flexible six-membered and rigidsix-membered chelating rings respectively are prepared by reactions of complex 41 withcorresponding sodium phosphino-carboxylates. It is confirmed by X-ray crystallographicanalysis that the coordination geometries of complexes 46 and 47 are distorted squarepyramids with phosphino-carboxylate ligands chelating to ruthenium, and the coordinationbetween ruthenium and benzylidene ligands are strengthened.

用二苯基瞵乙酸盐、二苯基膦丙酸盐、二苯基膦苯甲酸盐与钌卡宾配合物41反应合成了三个新的钌卡宾配合物：含五元膦-氧螯合环的1，3-二-(2，6-二甲苯基)-4，5-二氢咪唑基1-苯亚甲基--一氯合钌(46)、含六元柔性膦-氧螯合环的[1，3-二-(2，6-二甲苯基)-4，5-二氢咪唑基1-苯亚甲基--一氯合钌(47)及含六元刚性膦-氧螯合环的[1，3-二-(2，6-二甲苯基)-4，5-二氢咪唑基]-苯亚甲基--一氯合钌(48)。X射线单晶衍射分析证明，配合物46、47都为变形的四方锥构型，膦-氧与钌形成螯合配位，其中苯亚甲基与钌的配位得以加强。

This work, concentrated on the asymmetric allylation of aldehydes controlled by different chiral auxiliaries prepared from rotational pure tartaric acid, can be divided into three parts.The first part aims to review the developments of chiral drugs and asymmetric synthesis, from which derived the present research topic backgrounds and works.Synthesis and applications of allylation from aldehydes are the second part of the thesis. By optimizing the reaction conditions, such as solvents, temperature, time and chiral auxiliaries like N,N\'-dibenzyl tartamide, N,N\'-p-dimethylphenyl tartamide, N,N\'-o-dimethylphenyl tartamide, N,N\'-o-dichlorophenyl tartamide, N,N\'-a-dinaphyl tartamide, N,N\'-dicyclohexyl tartamide and N,N\'-diphenyl tartamide, ideal experimenttal conditions are obtained according to HPLC monitoring, as well as the auxiliaries\' recoveries experiments. Starting from benzaldehyde and 3-bromopropaldehyde, N,N\'-dibenzyl tartamide is considered the best auxiliary in this reaction.

本文介绍了醛的不对称烯丙基化反应，以光学纯酒石酸为原料，研究了不同构型手性配体在醛的烯丙基化反应中的立体选择性，全文共分三部分十个章节：第一部分对当前手性药物和手性技术进行了概述，并由此展开了本文的研究背景和任务；第二部分为有机合成部分，对醛的不对称烯丙基化反应进行了深入探讨，以苯甲醛为原料对反应条件进行优化，在优化的反应条件下对制备的七种可回收手性酰胺配体(N-苄基酒石酸二酰胺、N-对甲苯基酒石酸二酰胺、N-邻甲苯基酒石酸二酰胺、N-邻氯苯基酒石酸二酰胺、N-a-萘基酒石酸二酰胺、N-环己基酒石酸二酰胺和N-苯基酒石酸二酰胺)进行筛选，优化配体回收实验条件，最终确定出N-苄基酒石酸二酰胺在苯甲醛的不对称烯丙基化反应中具有较大优越性，结晶回收的手性配体光学纯度保持不变。

The one is-2-isopropylidene-3-[1-(3,4-dimethoxyphenyl)ethyl-idene] succinic anhydride, the other is-2-isopropylidene-3-[1-(3,4-methylenedioxyphenyl)- ethylidene] succinic anhydride.

合成了三种苯基俘精酸酐，其中具有给电子基的3-(3，4-二甲氧基苯基)亚乙基(2-亚丙基)丁二酸酐与3-(3，4-亚甲二氧基苯基)亚乙基(2-亚丙基)丁二酸酐是新化合物。

In the third chapter, the synthesis of5-[(1"S)-1",2"-diacetyl-oxyethyl]-1-phenylpyrazol-3-carboxaldehyde oxime(2) from5-[(1"S)-1",2"-diacetyl-oxyethyl]-1-phenylpyrazol-3-carboxaldehyde(1) and phenyl-hydrazine were introduced firstly. The synthesis of nine dioxapyrrolino[3,4-c]pyrazoles containing chiral pyrazolyl moiety(6a-i) from 2 with N-substituted-phenylmaleimide by nonmetal oxidant IBD-initiated intermolecular 1,3-dipolarcycloaddition was described in detail.

第三章首先以5-[(1′S)-1′，2′-二乙酰氧基乙基]-1-苯基吡唑-3-醛(1)和苯肼为原料，合成了化合物5-(1′S)-1′，2′-二乙酰氧基乙基1-1-苯基吡唑-3-醛-苯腙(2)；再用化合物(2)与N-取代苯基马来酰亚胺反应，利用无金属氧化剂—IBD引发1，3-偶极反应，发生分子间的环加成，合成了9种新型手性吡唑连二氧代吡咯啉并

In thesecond chapter, eleven 1,3,4-oxadizoles bearing chiral pyrazolyl moieties(4a-k) andfive triazolotriazines bearing chiral pyrazolyl moieties(5a-e) were obtained from5-[(1"S)-1",2-diacetyl-oxyethyl]-1-phenylpyrazol-3-carboxaldehyde(1) with arylcar-bohydrazide or (5-aryl-1,2,4-triazin-3-yl)hydrazine through an intramolecular1,3-dipolar cycloaddition in the presence of the non-metal oxidant IBD.

其中第二章介绍了以D-葡萄糖为原料制得的5-[(1′S)-1′，2′-二乙酰氧基乙基]-1-苯基吡唑-3-醛(1)分别与芳基甲酰肼、(5-取代苯基-1，2，4-三嗪-3-基)肼反应，在无金属氧化剂—IBD引发下，发生分子内1，3-偶极环加成，采用&一锅煮&法合成了11种含手性吡唑基的1，3，4-噁二唑类化合物(4a-k)和5种含手性吡唑基的三唑并三嗪类化合物(5a-e)。

Organosilicon resin microparticles with phenyl and aminopropyl groups were prepared via the hydrolytic co-condensation of phenyltriethoxysilane,γ-aminopropyltriethoxysilane and diphenyldimethoxysilane under the catalysis of tetramethylammonium hydroxide.

在四甲基氢氧化铵水溶液的催化作用下，将苯基三乙氧基硅烷、γ-氨丙基三乙氧基硅烷和二苯基二甲氧基硅烷进行水解共缩聚制备氨丙基苯基有机硅树脂微粉。

The reaction of isomerized butadieneiron complex (I; R = Ph, p-tolyl) with triphenylphosphine and tri-Ph phosphite gave products II (same R; R1 = Ph, OPh), at -60 to -30? When I was reacted with triphenylphosphine in hexane at 60 to 70?

丁二烯二羰基铁配合物的异构化产物，C4H62FeC(OC2H5)Ar(1，Ar=苯基， 2， Ar=对甲苯基)，在己烷溶液中于-60到-40℃与三苯膦或亚磷酸三苯酯反应生产产物3-6。

The main work of the article was to synthesize a suitable monomer, bis(4-carboxyphenyl)phenyl phosphine oxide, as the retardant for poly fibre. The procedures were divided into three steps: dichloride phenyl phosphine oxide was synthesized and bis(4-methyl phenyl)phosphate oxide was prepared from DCPP by Friedel-Crafts reaction.

双苯基氧化膦是一种适用于PET纤维阻燃改性的新型有机磷阻燃剂，本文主要研究了其合成工艺，整个合成路线分为三步，通过Friedel-Crafts烷基化反应制备了苯基二氯化膦，进而通过Friedel-Crafts酰基化反应合成了双苯基氧化瞵，经氧气、高锰酸钾氧化得到了产品BCPPO。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。