三苯基膦

One-pot reactions of 4 with isocyanates, triphenyl phosphine, hexachloroethane and triethylamine produced 2-anilino-5-arylidene-1-aryl-4,5-dihydroimidazo[1,2-b]-1',2',4'-triazol-4-ones 6 (or 7) in good yields.

而后用4与芳基异氰酸酯、三苯基膦、六氯乙烷和三乙胺"一锅"反应，得到4，5-二氢咪唑并[1，2-b]-1'，2'，4'-三唑-4-酮衍生物6或7。

Tetraiodobenzene, triphenylphosphine, hexachloroethane, NaNH2, and Pd(PPh3)4 were purchased and used without further purification.

1，2，4，5-Tetraiodobenzene，三苯基膦， hexachloroethane、NaNH2和Pd (PPh3) 4被购买了并且使用，不用进一步洗净。

Aimed at time and manpower consuming and contact to poisonous substances which are harmful to analyzers,the original method for analysis of trace chlorine in triphenyl phosphine was replaced by microcoulometry,based on times of testing comparisons.

针对齐鲁分公司第二化肥厂原有的三苯基膦氯含量的分析方法耗时、耗力且分析过程中接触的有毒物质较多、对分析人员伤害较大等问题，经过多次试验对照，用微库仑法代替原有的分析方法来测量三苯基膦中的微量氯。

In this dissertation, synthesis of benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene]dichlororuthenium (41) has been improved.

本论文首先改进了钌卡宾配合物[1，3-二-(2，6-甲苯基)-4，5-二氢咪唑基]-苯亚甲基-三苯基膦-二氯合钌(41)的合成方法。

Preparation of the stemnucleus Ancymidol is introduced as raw material, after bromation, obtains the stemnucleus by salification with triphenylphosphine.

新型膦盐母核的合成：采用嘧啶醇作为原料，经过溴化，由三苯基膦成盐得到。

Pentanediol reacted with phosphorus tribromide to make it mono-bromination, under the catalytic action of PPTs it reacted with 2,3-dihydropyran to protect another hydroxy group, then to react with triphosphine, produced quarterphossal.

再以1，5-戊二醇为原料，三溴化磷使之单溴代，得到5-溴-1-戊醇，在对甲苯磺酸吡啶盐的催化下与2，3-二氢吡喃反应保护其另一端的羟基，与三苯基膦反应生成季磷盐。

New process for recovering of triphenylphosphine and triphenylphosphine oxide from waste residue was proposed.

用化学反应－结晶联用法从Wittig反应废渣中回收三苯基膦和三苯基氧膦。

First, the geometry optimization for 1-phenyldibenzophosphole and triphenylphosphine were carried out using quantum chemical AM1 method.

用量子化学AM1方法优化了1-苯基二苯并膦和三苯基膦的几何构型，比较了两种化合物的电子结构和空间结构，发现PDBP作为羰基合成铑膦催化剂的配体要优于三苯基膦；系统研究了PDBP的合成方法，其最佳合成条件为：在无水无氧的条件下，采用二乙胺锂与溴化四苯基膦摩尔比为3，反应温度为22 ℃，反应5 h，反应后酸化， pH值为1～2，产物收率可达到85％～88％。

In order to probe the existence of nonthermal microwave effects, four synthetic transformations (Diels-Alder cycloaddition, alkylation of triphenylphosphine and 1,2,4-triazole, direct amide bond formation) were reevaluated under both microwave dielectric heating and conventional thermal heating.

为了探测非能微波效应的存在，四种合成转化反应（Diels-Alder环加成、三苯基膦和1，2，4-三唑的烷基化、酰胺键的直接合成）在微波介电加热和传统热加热两种情况下的重新评价。

Through Friedel-Crafts reaction, We have prepared highly purified triphenylphosphine sulfide by using benzene, phosphorus trichloride, sulfur, and aluminum trichloride, which is desulfurized with metal powder to produce triphenylphosphine.

实验方法为以苯、三氯化磷、硫和三氯化铝为原料，利用Friedel-Crafts反应，合成三苯基硫膦，收率为79.4％；然后用金属将三苯基硫膦还原制得三苯基膦，收率为80％。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。