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When the proportion of the aryl halides was changed,the aromatic products with different number substitutes could be obtained.

通过研究我们发现,活泼酰基与烯丙基在偶联反应中活性相当,可得到不同成环方式的产物,且当改变卤代物比例时,将得到不同数量取代芳烃的产物。

The method involves exposing the cells to a compound having the formula I in which: w is a nucleic acid x is a non-amino acid or non-peptide nucleic acid binding group y is a spacer having a chain length equivalent to 1-30 carbon-carbon single covalent bonds or is absent R4 is H or halogen or CH2O-R3; and R1, R2 and R3 are the same or different and are either hydrogen, methyl, ethyl, alkyl, alkenyl, hydroxylated alkyl, hydroxylated alkenyl groups or ether containing alkyl, alkenyl, hydroxylated alkyl or hydroxylated alkenyl groups optionally being an acyl group having a carbon chain length equivalent to 3-24 carbon atoms saturated or unsaturated, with the proviso that at least one of R1, R2 or R3 includes a group having a carbon chain of 3-24 carbon atoms saturated or unsaturated, or to a compound having the formula II in which: w is a nucleic acid x is a non-amino acid or non-peptide nucleic acid binding group y is a space having a chain length equivalent to 1-30 carbon-carbon single covalent bonds or is absent, R5 is alkyl, alkenyl, hydroxylated alkyl, hydroxylated alkenyl group or ether containing alkyl, alkenyl, hydroxylated alkyl or hydroxylated alkenyl group optionally being an acyl group having a carbon chain length equivalent to 3-24 carbon atoms saturated or unsaturated, with the proviso that R5 includes a group having a carbon chain of 3-24 carbon atoms saturated or unsaturated.

该方法包括使细胞暴露于具有式的化合物,在式中:w是核酸,x是非氨基酸或者非肽核酸结合基团,y是具有等于1―30个碳―碳单共价键的链长的间隔基或者不存在,R4是H或者卤素或者CH2O-R3;R1、R2和R3是相同的或者不同的并且是氢、甲基、乙基、烷基、链烯基、羟基化烷基、羟基化链烯基或者包含烷基、链烯基、羟基化烷基或羟基化链烯基的醚,任选地是来源于具有等于3―24个碳原子的碳链长的饱和或不饱和脂肪酸的酰基,其条件是R1、R2或者R3的至少一个包括具有3―24个碳原子的饱和或不饱和碳链的基团,或者使细胞暴露于具有式的化合物,在式中:w是核酸,x是非氨基酸或者非肽核酸结合基团,y是具有等于1―30个碳―碳单共价键的链长的间隔基或者不存在,R5是烷基、链烯基、羟基化烷基、羟基化链烯基或者包含烷基、链烯基、羟基化烷基或羟基化链烯基的醚,任选地是具有等于3―24个碳原子的饱和或不饱和碳链的链长的酰基,其条件是R5包括具有3―24个碳原子的饱和或不饱和碳链的基团。

Several transient compounds were synthesized by the homo- and heterogeneous reactions of reactive halogen compounds, In-situ ultraviolet photoelectron spectroscopy and photoionization mass spectroscopy as well as theoretical calculations were used to study their molecular structures, stability and molecular orbital properties, their electronic structures and geometric structures were obtained for the first time; Simultaneously, the electronic structure and thermal dissociation of acetyl peroxynitrate and trifluoroacetyl peroxynitrate which have great importance in the atmospheric chemistry were studied; The substituent effects of series of halopyridines and halothiophenes were studied by the ultraviolet photoelectron spectroscopy method for the first time. The atmospheric chemical reaction between peroxyacetyl radicals with IO radicals as well as the dissociation of the most stable isomer of CH3COIO3 were calculated by density functional theory, it was found that the CH3COOIO2 isomer may be act as a new reservoir of inorganic iodine in the stratosphere.

通过活性卤素的系列均相与非均相化学反应合成了几种瞬态物种,采用原位紫外光电子能谱和光电离质谱结合量子化学理论计算对化合物的分子结构、稳定性以及分子轨道特性进行了研究,首次获得了这些物种的电子结构和几何结构的信息;同时研究了大气中有重要作用的乙酰过氧硝酸酯和三氟乙酰过氧硝酸酯的电子结构性质及热解过程;采用紫外光电子能谱手段首次研究了系列卤代吡啶和噻吩的取代基效应;通过量子化学理论计算研究了乙酰基过氧自由基与IO自由基的大气化学反应及其最稳定异构体CH3COOIO2的解离,发现该物种可能是无机碘化合物在平流层中的储库物种。

PEG400, which is poisonless, low cost with good capability of carrying sodium ion, was used as catalyst, and sodium cyanide owing to its less toxicity, stability, less amount in the reaction, was used as cyanating reagent in the reactions.

在有机卤代化合物或酯与PEG400、NaCN的用量比分别为1∶0.03和1∶1.3的条件下,获得了高收率(84%-96%)和高纯度(≥98%)的腈化物。通过几种不同溶剂下反应的对比,选择了以苯为溶剂,在酰氯与PEG400、 NaCN的用量比分别为1∶0.05和1∶1.2及反应温度为室温的条件下,合成了酰基腈化物。

Understand the mechnism of aromatic electrophilic substitution reactions and the characteristics of the benzonium ion; grasp halogenation, nitration, sulfonation, Friedel-Crafts alkylation and acylation reactions; understand the effect of substituents on reactivity and orientation; know the side-chain reactions of alkylbenzenes and alkenyl benzenes; be familiar with the synthetic methods and application of derivatives of benzene.

了解苯环亲电取代反应机理及苯正离子的特性;掌握苯环卤化、硝化、磺化、Friedel-Crafts 烷基化和酰基化反应及取代效应;了解烷基苯、烯基苯的支链反应和苯衍生物的合成应用。

The present invention relates to sulphonyloxazolamines of general formula, wherein R, R represent independently from each other H, A,-(CH2)n-Ar or alkenyl with 2-6 C atoms, R and R together also represent a mononuclear saturated heterocycle with 1-2 N, O and/or S atoms, Z is H, A, CF3, NO2, Hal, OH, OA, NH2, NHA or NA2, A represents alkyl with 1-6 C atoms, Ar is Z-monosubstituted or Z-disubstituted phenyl, halogen is F, Cl, Br or I, n is 1 or 2 or the physiologically acceptable salts or solvates thereof.

本发明涉及式磺酰基∴唑胺或其生理上可接受的盐或溶剂化物,其中R 1 ,R 2 每一个相互独立为H、A、-(CH 2 )n-Ar或具有2到6个C原子的链烯基,R 1 和R 2 也一起为具有1到2个N、O和/或S原子的单核饱和杂环,Z为H、A、CF 3 、NO 2 、卤素、OH、OA、NH 2 。NHA或NA 2 ,A为具有1到6个C原子的烷基,Ar为被Z取代的或Z二-取代的苯基,卤素为F、Cl、Br或I,n为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。

In searching for novel and high active fungicides with pyridyl moiety, with Dimethomorph as a model compound and isonicotinic acid as the main starting material, twenty-seven title compounds were designed and synthesized through chlorination, Friedel-Crafts acylation, Wittig-Horner reaction and other steps. All the target structures were confirmed via 1H NMR and elementary analysis.

为了寻找具有高活性的含吡啶杂环杀菌剂,以烯酸吗啉为模板化合物,以异烟酸为起始原料,通过卤代反应、Friedel-Crafts酰基化反应、Wittig-Homer反应等,将吡啶-4-基或2-氯吡啶-4-基引入到模板结构中,设计合成了27个4-[3-(吡啶-4-基)-3-取代苯基丙烯酰]吗啉类化合物,其结构通过1H NMR和元素分析确证。

By means of molecular designing, a series of sodium branched-alkyl benzene sulfonates weresynthesized through seven process, involving Frieded-Crafts reaction, Grignard reaction, sulfonationand neutralization. Those isomers have similar structure, carbons of same quantity, but the position ofalkylaryl dissimilarity. Liner fat acid, metaxylene and halogenated hydrocarbon of different carbonnumber were used as the starting materials. Optimum processing condition was confirmed consideringinfluence of a series of reaction factors such as feed proportioning, quantity of catalysts, quantitysolvent, reaction time, temperature and pressure. Eight kinds of isomers of sodium hexadecylxylolsulfonates were finally synthesized, and characterized by FT-IR.

本文通过分子设计,以不同碳数直链脂肪酸、间二甲苯以及不同碳数的卤代烷为原料,经酰基化、格氏反应、加氢还原、磺化及中和等反应,合成了结构相似、烷烃链碳数一定、芳基在烷烃链不同位置的烷基芳基磺酸盐同分异构体;并考察了原料配比、催化剂用量、反应时间、反应温度、溶剂用量、反应压力等一系列因素对各反应的影响,进而确定最佳工艺条件,最终合成出十六烷基二甲苯磺酸钠的八种同分异构体,利用 FT-IR 对产物结构进行了分析。

The intermediate which obtained from oximation of 7a-e reacted withmethyl N-(2-bromomethylphenyl)-N-methoxycarbamate to synthesize oxime ether methyl carbamate 3a-e.

以邻位卤代苯甲醛和3-丁烯-2-醇为原料通过钯催化&一锅法&反应合成了2-乙酰基茚7a-e,7a-e 肟化之后和N-(2-溴甲基苯基)-N-甲氧基氨基甲酸甲酯反应合成了肟醚类氨基甲酸甲酯3a-e,进一步胺解之后得到了肟醚类氨基甲酰甲胺3f-j。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。