环甲的

Three chiral phosphorus ligands were prepared using anisole as the startingat material.Their applications in the asymmetric hydroformylation and asymmetric conjug ed addition of diethylzinc to enones were investigated.

以苯甲醚为原料，合成了三种新的手性含磷配体，考察了三种配体在不对称氢甲酰化反应和ZnEt2对环己烯酮的不对称共轭加成反应中的应用。

The optimal separating condition of chromatography analysis was: Shimadzu VP-ODS 150mm4.6mm as chromatographic column; acetonitrile/water (12/88,V/V, Contained 1.25mmol/l phosphoric acid) as mobile phase with flow rate of 1.0ml/min. Macroporous ion exchange resins and activated carbon were applied to enrich the trace level impurities and the main impurities was determined by LC-MS and GC-MS.They were : Benzonitrile , 2-Methyl-8-hydroxyquinoline, 2,6-Pyridinediamine , O-ethyloxime Cyclo-hexanone and compound with 220 molecular weight .

采用离子树脂和活性炭吸附富集这些微量的杂质，并通过液质联用和气质联用对杂质进行了定性分析，鉴定了影响290nm吸收的主要杂质为苯甲腈，2甲基-8羟基喹啉，2，6二氨基吡啶，O-乙基环己酮肟和分子量220的物质。

Experimental results show:(1) Among twelve functional molecules, 2, 3-epoxypropyltrimethylammonium chloride mainly to the electrostatic interaction, sulfamethoxypyridazine and cephalin mainly to the hydrophobic interation have stronger interacton with endotoxin.

实验结果表明：(1)12种功能基团中，以静电相互作用为主的2，3环氧丙基三甲基氯化铵和以疏水作用为主的磺胺甲氧哒嗪、脑磷脂对内毒素有着较强的相互作用。

This invention discloses an intermolecular charge transfer chromogen with triphenylamine group, with a formula indicated by (1), wherein: R1 is hydrogen atom or methyl group or methoxyl group, R2 is hydrogen atom or 2-(5,5-dimethyl-3-vinylcyclohexenyl-2-enylidene)propanedinitrile group.

本发明公开的含三苯胺基团的分子内电荷转移生色团，具有式1所示的结构式，其中R 1 为氢原子或甲基或甲氧基，R 2 为氢原子或2-(5，5-二甲基-3-乙烯环己烯基-2-烯亚基)丙二腈基。

The deoiling effect of the polymerized additives has been evaluated by means of aerated floatation process.The result shows that when dimethylamine,diethylamine or methylamine serves as amine and the molar ratio of ...

利用充气浮选法对所合成的药剂进行了除油效果的评价，结果表明：当胺为二甲胺、二乙胺、甲胺，聚合单体与环氧氯丙烷的摩尔比为1：2时，产品的除油效果最佳。

According to the selective standard of excluding and including cases,90 cases of malignant tumor were randomly divided into 3groups, Medical therapy group (30cases), Moxibustion with ginger group(30cases), A.S.T group (30cases) by using method of random number table. Three groups patients were accepted chemotherapy in vein or mouth given acute bone marrow depression drugs such as Cyclophosphamide,Nitrogen mustard (HN2),Methotrexate,Cytosine arabinosidee,Hydroxyurea,Cisplatin,Etoposide (VP-6),Vincristine etc.

根据本课题研究病例选择的纳入标准和排除标准，选择90例接受化疗的恶性肿瘤病例，通过查随机数字表法随机分为西药组，隔姜灸组和穴位贴敷组，各30例，三组患者都至少采用环磷酰胺，氮芥(HN2)，甲胺蝶呤，阿糖胞苷，羟基脲，顺铂，长春碱类(VP-6)，鬼臼毒类等急性骨髓抑制药物中的一种或一种以上通过静脉或口服给药进行化疗。

Objective A multiresidue method based on solid-phase extraction andgas chromatography with electron capture detector was developed for thesimultaneous determination of 15 pesticides (Dichlorvos, Dimethoate,Parathion-methyl, Malathion, Parathion, Fenpropathrin, Lambda-cyhalothrin,Cypermethrin,Esfenvalerate,Deltamethfin,Quintozene,Dieldrin,Heptachlor,α-Endosulfan,β-Endosulfan) in drinking water.

目的：建立同时检测饮用水中15种农药残留的固相萃取-气相色谱分析方法，所检测的农药包括5种有机磷：敌敌畏，乐果，甲基对硫磷，马拉硫磷，对硫磷；5种有机氯：五氯硝基苯，狄氏剂，环氧七氯，α-硫丹，β-硫丹；5种拟除虫菊酯：甲氰菊酯，三氟氯氰菊酯，氯氰菊酯，氰戊菊酯，溴氰菊酯。

A series of new isoxazolines were prepared by 1,3-dipolar cycloaddition between different mono-substituted styrenes and new 1,3-dipolar compounds which were synthesized by the reaction of N-methylhydroxylamine sulfate with aromatic carbonyl compounds.

以N-甲羟胺硫酸盐和芳香族羰基化合物为主要原料合成了一系列不同的1，3-偶极化合物，并合成了四种不同的单取代苯乙烯。以该系列1，3-偶极化合物和单取代苯乙烯为主要中间体，采用1，3-偶极环加成反应合成了一系列异恶唑啉类新化合物。

Each host molecule 1 crystallizes with two CH3OH and two H2O guest solvates locating in the large rhombic channels formed by the parallel arrangements of 1 with significant aromatic stacking interactions.

每个主体分子1同时与2个甲醇和2个水溶剂客体分子结晶，主体分子之间存在显著的芳环堆积作用，在晶胞中呈平行排列并形成大的菱形通道，客体分子位于此通道中。

Compound 5 reacted with Grignard reagent of 9 followed by cyclozation to afford target molecule 11. All intermediates and target product were confirmed by IR, 1H NMR and HRMS.

化合物5与9的格氏试剂偶联和关环反应完成目标产物3-羟基－10-去甲基－12-甲氧基－13-甲基罗汉松烷(11)的全合成。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了