苄基

Ophenyl phenol,ophenyl phenol sodium salt tetrahydrate,7ADCA,2ethyl phenyl hydrazine hydrochloride,2,3dihydrofuran,7ethyl3(2hydroxy ethyl)indole,methyl ester of etodolac; 1,8diethyl1,3,4,9tetrahydropyrano[3.4b] indole1acetic acid methyl ester,5chloro2methoxy benzoic acid,4(2aminoethyl)benzene sulfonamide,5cyano phthalide,phthalhydrazide,9thioxanthenone,n[(1,4benzodioxane2yl)carboxyl]piperazine HCL,2chloro4amino6,7dimethoxyquinazoline,2chloro benzimidazole,1(4fluorobenzyl)2chlorobenzimidazole,2methylthio4pyrimidone,5amino4imidazole carboxamide HCL,6chloro2hexanone,11oxo6.11hydrodibenzothiepin,6,11dihydrodibenzooxepin11one,10,11dihydrodibenzocyclohepten5one;dibenzosuberone,dibenzo cyclohepten5one;dibenzosuberenone,3,5dihydroxy benzoic acid,3,5dihydroxy benzyl alcohol,2mercapto benzimidazole,3,4dihydroxy benzaldehyde,3,4dihydroxy benzonitrile,2amino5chloro benzonitrile,2(4chlorophenoxy)ethyl chloride,2(4chloro phenoxy)tert,butane,ditrimethylol propane;DTMP,2,2bis(4hydroxyphenyl)butane; bisphenol B,1,1'bis(4hydroxyphenyl)cyclohexane;bisphenol Z,tetrabromobisphenolS,3,5ditertbutyl salicylic acid,3,4,5trihydroxy benzoic acid stearyl ester,1,2,4trimethoxybenzene.

华业公司产品：邻苯基苯酚，邻苯基苯酚钠盐，7氨基3去乙酰氧基头孢烷酸，邻乙基苯肼盐酸盐，2，3二氢呋喃，7乙基色氨醇，依托度酸甲酯，5氯2甲氧基苯甲酸，4(2氨乙基)苯磺酰胺，5氰基苯酞，双酮酞嗪，9噻吨酮，N〔(1，4苯并二恶烷2基)羰基〕哌嗪盐酸盐，2氯4氨基6，7一二甲氧基喹唑啉，2氯苯并咪唑，1(4氟苄基)2氯苯并咪唑，2甲硫基4嘧啶酮，5氨基咪唑4 甲酰胺盐酸盐，6氯2已酮，11氧6.11二氢苯并〔b.c〕虑平，11氧代6，11二氢二苯并氧杂卓，10，11二氢二苯并环庚烯5酮，二苯并环庚烯5酮，3，5二羟基苯甲酸，3，5二羟基苯甲醇，2巯基苯并咪唑，3，4二羟基苯甲醛，3，4二羟基苯腈，2氨基5氯苯腈，2(4氯苯氧基)1氯乙烷，2(4氯苯氧基)叔丁烷，双丙烷，2，2二(4羟基苯基)丁烷；双酚B，1，1'双(4羟基苯基)环己烷；双酚Z，2[3，5二溴4(2，3二溴丙氧基)]苯砜，3，5二叔丁基水杨酸，3，4，5三羟基苯甲酸十八烷基脂，1，2，4三甲基氧基苯。

In the first chapter of this thesis, we prepared the desired β-amino acid ester starting from 1-tridecanol and converted it to the corresponding γ-amino alcohol via LAH reduction and hydrogenolysis.

在论文的第一章，我们从十三醇出发，以S型苄基保护的α-甲基苄胺为手性源，经过多步反应制得光学纯的β-氨基酸酯衍生物。

This wor k deals with the effects ten of bromides and iodobenzene in catalytic hydrogenolysis debenzylation of 2,4,6,8,10,12-Hexabenzyl-2,4,6,8,10,12-hexaazaisowurtzitane.

研究了溴苯等10种溴化物及碘苯在六苄基六氮杂异伍兹烷催化氢解脱苄中的作用。

In this paper,- and (5)-2,2'-diethynyl-1,1'-binaphthyl with highly stable chiral configurations were employed as structural templates, and a new type of helical cyclophane compounds-3 and-3 were synthesized in enantiopure form by the introduction of benzyl sulfone through Sonogashira coupling reaction, followed by the treatment of disulfone with lithium diisopropylamide.

基於2，2'-二取代的联萘衍生物在手性构型上高度稳定的特点，分别从光学活性的-和-2，2'-二乙炔基-1，1'-联萘结构模板出发，通过Sonogashira偶连反应导入苄基碸，然后用二异丙基氨基锂处理制得的联萘二碸成功地合成了一种新的螺旋环芳分子－对映异构体-3和-3。

The preparation method comprises removing benzyl of the compound IV0 in alkali condition to obtain the compound (V, reacting the compound with benzyl chloroformate to obtain the compound, wherein the compounds can be used to prepare 5-substituted-hydride indolizine natural alkaloids.

本发明所提供的制备方法是将化合物在碱性条件下去苄基得到的化合物，将化合物与氯甲酸苄酯反应，生成的化合物。和化合物可以用于制备5-取代-氢化中氮茚天然生物碱。

The fish samples were cleaned up by Florisil, then analyzed by GC-EI-MS to determine eight phthalic acid esters, diethyl phthalate, dipropyl phthalate, dibutyl phthalate, butyl benzyl phthalate, dipentyl phthalate, dicyclohexyl phthalate, dihexyl phthalate and diethyl hexyl phthalate.

鱼肉样品以Florisil硅藻土层析柱净化后，经气相色谱-电子轰击离子源-质谱法分析其中8种邻苯二甲酸酯含量：邻苯二甲酸二乙酯、邻苯二甲酸二丙酯、邻苯二甲酸二丁酯、邻苯二甲酸丁基苄基酯、邻苯二甲酸二戊酯、邻苯二甲酸二环己基酯、邻苯二甲酸二己酯、邻苯二甲酸二(2-乙基己基)酯。

The Stille coupling reaction between 8 iodo 9 benzyl 9H purine and RSnBu 3 (R=vinyl,2 thienyl,2 furyl,phenylethynyl and phenyl) was studied using (Ph 3P) 2PdCl 2 as catalyst and DMF as solvent.

采用 (Ph3 P) 2 PdCl2 为催化剂，DMF为溶剂，对 8 碘 9 苄基 9H 嘌呤与有机锡试剂RSnBu3 (R=乙烯基、2 噻吩基、2 呋喃基、苯乙炔基和苯基等)之间的 Stille偶合反应进行了研究，合成出了5种 8位取代的嘌呤衍生物。

By treatment of (4R)-carboxy-(2S)-phenylthiazolidine with isocyanic acid benzyl ester in CH_3COOH/(CH_3CO)_2O system,the reaction time is shortened from 17 h to 3 h,and the yield of (7aR)-3-phenyl-1H,3H-imidazo[1,5-c] thiazole-(6H, 7aH) 5,7-dione is raised from 75% to 93%.

改用异氰酸苄酯为关环试剂环化合成了(7aR) 3 苯基 6 苄基 1H，3H 咪唑并[1，5 c]噻唑 5，7 二酮，选用CH3COOH/(CH3CO)2O代替CH3COOH作溶剂，反应时间由17h缩短为3h，产率从75%提高到93%。

Part Ⅱ: The evelopropanation reactions of both semi-stabilized telluronium and arsoniumylides with α,β--unsaturated ketones proceed smoothly.

第二部分：烯丙基、巴豆基、三甲基硅基烯丙基、肉桂基、苄基碲、胂两种叶立德与α，β-不饱和酮均可以成功地进行环丙烷化反应，并且表现出不同的立体选择性。

The experimental results showed that there were higher yield and bromine content when the bromine/peroxides method was used.

采用溴／过氧化物法和NBS法对五溴甲苯进行苄位溴化，合成了五溴苄基溴，比较了两种方法的优缺点。

Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.

然而现在，所有的孩子都要在综合学校继续学习，所以这次考试只是决定他们将要学习哪些课程。

Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .

城区的迅速扩大在很多情况下侵占了宝贵的可耕地，使人们普遍认识到发展不能以牺牲农业为代价。