苄基

基本解释 (translations)

phenmethyl

与苄基相关的网络例句 [注：此内容来源于网络，仅供参考]

The originalprocedure has subsequently been replaced by milder and more environmentallyfriendly conditions. We tried to alkylate 3,4,5-trimethoxytoluene by2-allylphenylbenzyl ether in the presence of N-bromosuccinimide.

本实验是在溴代琥珀酰亚胺的作用下使2-烯丙基苯基苄基醚产生苄正离子，苄正离子亲电进攻3，4，5-三甲氧基甲苯从而进行傅氏烷基化反应的。

The effects of substituents on the nucleophilic reaction of benzyl halide and sodium azide were studied.

合成了叠氮苄、对氰基叠氮苄，对氟叠氮苄，对甲基叠氮苄和联苯二叠氮苄，研究了苯环上不同取代基对苄基卤代物与叠氮化钠经亲核取代反应生成苄基叠氮化物的反应的影响。

Result The application of 3 mg/L potassium dihydrogen phosphate could promote potted seedlings of Arizona to flower earlier; the effect of 3 mg/L potassium dihydrogen phosphate +20 mg/L N 6-benzyladenine was the best. The flower bud differentiation was early and more, with the flowering rate of 90%, and the flowering branches were long and sturdy; when N6-benzyladenine was 40 mg/L, the growth of potted seedlings of Arizona was inhibited; N6-benzyladenine had a certain inhibition on leaf etiolation of potted seedlings of Arizona.

结果］喷施3 mg/L的磷酸二氢钾可促进亚丽桑那组培苗提早开花；3 mg/L磷酸二氢钾＋20 mg/L 6-苄基嘌呤的处理效果最好，花芽分化早、多，成花率高达90%，花枝长且粗壮；当6-苄基嘌呤浓度为40 mg/L时，亚丽桑那盆栽苗生长受抑制；6-苄基嘌呤对亚丽桑那盆栽苗的叶片黄化有一定的抑制作用。

The present invention relates to compounds of formula wherein R is hydrogen, lower alkyl, lower alkoxy, halogen or lower alkyl substituted by halogen; R is hydrogen or halogen; or R and R are together with the carbon atom to which they are attached -CH=CH-CH=CH-; R is hydrogen, lower alkyl, phenyl optionally substituted by halogen, or is hetaryl, optionally substituted by lower alkyl; R is hydrogen, lower alkyl, phenyl, benzyl, lower alkenyl, lower alkoxy, phenyloxy, benzyloxy, S-lower alkyl, halogen, CN, lower alkyl substituted by halogen or O-lower alkyl substituted by halogen; R is hydrogen or lower alkyl, aryl is phenyl or naphthyl; n is 1, 2 or 3; m is 1 or 2; and pharmaceutically acceptable acid addition salts and tautomeric forms thereof.

本发明涉及式化合物及其可药用的酸加成盐和互变异构形式，其中R 1 是氢、低级烷基、低级烷氧基、卤素或被卤素取代的低级烷基；R是氢或卤素；或R 1 和R与它们连接的碳原子一起是-CH＝CH-CH＝CH-；R 2 是氢、低级烷基、任选被卤素取代的苯基或者是任选被低级烷基取代的杂芳基；R 3 是氢、低级烷基、苯基、苄基、低级链烯基、低级烷氧基、苯氧基、苄氧基、S-低级烷基、卤素、CN、被卤素取代的低级烷基或被卤素取代的O-低级烷基；R 4 是氢或低级烷基，芳基是苯基或萘基；n是1、2或3；m是1或2。

In part one, the reactions of some active fluorine-containing compounds such as 2, 2-dihydropolyfluoroalkanoic acids and ethyl 2-hydropolyfluoroalkenoates were studied and various fluorine-containing heterocyclic compounds were synthesized. Using 2, 2-dihydropolyfluoroalkanoic acids as the starting material, 4-fluoroalkyl quinolin-2-ols, 2- [ -1-hydropolyfluoro-1-alkenyl] -4H-3, 1-benzoxazin-4-ones, 1-aryl -4, 9-dihydro-3-fluoro-alkyl-1H-pyrazo [3, 4-b] quinolin-4-ones, 5-fluoroalkyl-12H-quin olino [2, 1-b] quinazolin-12-ones, 4-fluoroalkyl-1, 3-dihydro-1, 5-benzodiazepin-2-ones and 4-fluoroalkyl-2H-pyrido [1, 2-a] pyrimidin-2-ones were synthesized through its condensation reaction with anilines, anthranilic acid, N'-aryl-o-aminobenzamides, o-nitro aniline, o-amino pyridine and their derivatives and the subsequent transformations. 5-Fluoroalkyl isoxazolidines, 3-fluoro-3-fluoroalkylisoxazolidino [4, 3-c] quinolin-4-ones, 3-fluoroalkylisoxazolino [4, 3-c] quinolin-4-ones and 2-aryl-3per fluoroacylindoles were synthesized by inter-and intramolecular 1, 3-dipolar cycloaddition of fluorine-containing olefins and nitrones.

第二部分，我们研究了α，α-二氟苄基卤类化合物的亚磺化脱卤反应、产物的转化及全氟烷基亚磺酸盐与芳环化合物的全氟烷基化反应，发现全氟苄基碘或溴及α，α一二氟苄基溴在保险粉等亚磺化脱卤试剂引发下可生成相应的亚磺酸盐；全氟苄基亚磺酸盐与氯气或溴反应可生成全氟苄基磺酰氯或磺酰溴；在烯烃存在下，全氟苄基碘则与烯烃发生加成反应，生成相应的1：1加成产物；在三价醋酸锰的作用下，部分芳香化合物如茴香醚，二甲氧基苯，吡啶，喹啉等可以和过量的全氟烷基亚磺酸盐发生双全氟烷基化反应，反应表现出一定的区域选择性，产率良好。

Five Butenafine's analogues were designed and synthesized according to the structure-activity relationship and operating mechanism of benzylamine antimycotics.

根据苄胺类抗真菌化合物的构效关系、作用机理，设计合成了 5个布替萘芬类似物，N (2 氯 5 吡啶甲基) N 甲基 1 萘甲胺，N ，N 二(4 叔丁基苄基) 1 萘甲胺，N (4 叔丁基苄基) N (2 氯 5 吡啶甲基) 1 萘甲胺，N ，N 二苄基 4 叔丁基苯甲胺，N (2 氯 5 吡啶甲基) N 苄基 4 叔丁基苯甲胺。

The mechanism of dioxygen oxidation of 4-nitrotoluene-2-sulfonic acid to 4,4'-dinitrostilbene-2,2'-disulfonic acid in alkali solution under mild condition was investigated.

探讨了在温和条件下在碱的水溶液中氧气液相氧化 4-硝基甲苯- 2 -磺酸制取 4，4'-二硝基二苯乙烯- 2 ，2 '-二磺酸的反应机理，发现 4-硝基甲苯- 2 -磺酸在碱作用下发生离子化生成 4-硝基- 2 -磺酸基苄基阴离子，然后被活化的分子氧氧化成 4-硝基- 2 -磺酸基苄基自由基是反应的关键步骤。

Aldol condensation 2, 5-dimethoxymethoxyacetophone with 2, 4, 6 -tri methoxymethoxybenzendehyde, then hydrogenation, reductive, the key intermediate 83 (84) of natural product 3, 5, 7, 2′, 5′- pentahydroxyflavan, was obtained; Mini reviewed EGCg activity, Then gallic acid and phloroglucin were used to synthsis EGCg, The key intermediate Chalcone 109 of EGCg was abtained through 7 steps from gallic acid.

重点介绍了以没食子酸为原料，经酯化，保护，还原，氧化，格氏反应，氧化六步反应得到3，4，5-三苄氧基苯乙酮，以间苯三酚为原料，经维斯迈尔反应，苄基保护，甲氧甲氧基保护三步反应得到2，4-二苄氧基-6甲氧甲氧基苯甲醛，酮106与醛108经羟醛缩合得到EGCg重要反应中间体查尔酮109。

There are three different nucleophilic reagent respectively reaction with m-dinitrobenzene ramification at distint alkaline term:With the nitrobenzene 、 m-nirtobenzenesulfone sodium salt 、 2.4-dinitro chlorobenzene 、 m-dinitrobenzene for bottom thing, benzyl cyanide、 benzyl chloride、 benzyl chloropyridine、is a nucleophilic reagent reaction for under the different term proceeds a series reaction. At the same time ,discuss about the impact factor to nucleophilicity such as the number of attract electron group、 ability of attract electron and the nucleophilic substitution reaction part.

设计了三类不同的亲核试剂分别与活化芳环在不同的碱性条件下发生反应：以苄基氰、苄基氯化吡啶为亲核试剂，以硝基苯、间二硝基苯、间硝基苯磺酸钠、2，4-二硝基苄基氯为底物进行亲核取代反应；并且对亲核试剂的体积效应、溶剂效应对亲核性影响，底物上吸电子基团的数目、吸电子能力对亲电性的影响，以及亲核取代反应的发生部位受哪些因素影响进行探讨。

The mechanism of dioxygen oxidation of NTS to DNS in alkali solution under mild condition was inquired into. The result showed that the key step in the preparation of DNS from NTS was the formation of 4-nitro-2-sulfobenzyl anion as a result ionization of NTS in strong alkali and then oxidization to 4-nitro-2sulfobenzyl radical by activated dioxygen.

探讨了在温和条件下于碱的水溶液中氧气液相氧化4-硝基甲苯-2-磺酸制取4，4'-二硝基二苯乙烯-2，2'-二磺酸的反应机理，发现4-硝基甲苯-2-磺酸在碱作用下发生离子化生成4-硝基-2-磺酸基苄基阴离子，然后被活化的分子氧氧化成4-硝基-2-磺酸基苄基自由基是反应的关键步骤。

与苄基相关的网络解释 [注：此内容来源于网络，仅供参考]

benzylisoquinoline alkaloid：苄基异喹啉(类)生物碱

benzylisoquinoline 苄基异喹啉 | benzylisoquinoline alkaloid 苄基异喹啉(类)生物碱 | benzylpenicillin 苄基青霉素

benzylisoquinoline alkaloid：苄基異喹啉生物鹼 苄基异喹啉生物碱

benzophenone 二苯甲酮 二苯甲酮 | benzylisoquinoline alkaloid 苄基異喹啉生物鹼 苄基异喹啉生物碱 | Bertrand's reagent ,silicotungstic acid reagent 硅鎢酸試劑 硅钨酸试剂

benzyl carbinol：苄基甲醇

benzyl bromide | 苄基溴 | benzyl carbinol | 苄基甲醇 | benzyl cellulose | 苄基纤维素

anisylidene; p-methoxybenzylidene; anisal：大茴香亚甲基;对甲氧亚苄基;对甲氧苯亚甲基

大茴香酰基;对甲氧苯甲酰基;对甲氧苄酰基 anisoyl | 大茴香亚甲基;对甲氧亚苄基;对甲氧苯亚甲基 anisylidene; p-methoxybenzylidene; anisal | 邻胺苯甲酰基;邻胺苄酰基 anthraniloyl; anthranoyl

benzal chloride：亚苄基二氯 二氯甲基苯

benzal bromide | 亚苄基二溴 二溴甲基苯 | benzal chloride | 亚苄基二氯 二氯甲基苯 | benzal chloroaniline | 亚苄基氯苯胺 苯甲醛缩氯苯胺

benzalacetophenone：亚苄基乙酰苯

benzalacetophenone dibromide | 亚苄基乙酰苯化二溴 | benzalacetophenone | 亚苄基乙酰苯 | benzalaminophenol | 亚苄基氨基苯酚

benzalaniline：亚苄基苯胺 苯甲醛缩苯胺

benzalaminophenol | 亚苄基氨基苯酚 | benzalaniline | 亚苄基苯胺 苯甲醛缩苯胺 | benzalazine | 苄连氮 亚苄基吖嗪

benzalazine：苄连氮 亚苄基吖嗪

benzalaniline | 亚苄基苯胺 苯甲醛缩苯胺 | benzalazine | 苄连氮 亚苄基吖嗪 | benzalcohol | 苄醇

benzyl mercuric chloride：苄基汞化氯

benzyl menthol || 苄基薄荷醇 | benzyl mercuric chloride || 苄基汞化氯 | benzyl mustard oil || 苄基芥子油 异氰酸苄酯

benzylnitrile; benzyl cyanide：苄甲腈;氰化苄基

苄萘;苯基萘基甲烷 benzylnaphthalene; phenylnaphthylmethane | 苄甲腈;氰化苄基 benzylnitrile; benzyl cyanide | 邻羟苯甲酸苄酯;柳酸苄酯 benzyl-o-hydroxy-benzoate; benzyl salicylate