萘基

By the comparison of electronic spectrum and Z-scan of different substituted MPc and MNc, the peripheral substituted MNc had better nonlinear optical properties. It provided a new method to the improvement of the performance of reverse saturable absorption of the laser protective materials.

对不同金属轴向取代的萘酞菁化合物的电子光谱和Z-扫描进行了横向比较，并对相同取代基、金属轴向取代的酞菁化合物和萘酞菁化合物进行了纵向比较，发现周围取代的金属萘酞菁化合物具有较好的非线性光学性能，为提高材料的反饱和吸收性能提供了一种新的途径。

The results showed the different fluorescence property with naphthalene due to the interaction, congruence of the molecules and formation of inter- or intramolecular exciplex.;A series of dithioesters with different aromatic rings such as naphthally, anthracyl and pyrene in R groups were synthesized. The polymerizations of MMA using these dithioesters as the RAFT agents were investigated.

结果表明：在NMNDT和它获得的聚合物溶液中，由于分子间的相互作用、叠合，激发态分子与基态分子形成了激基缔合物，引起了萘环荧光的淬灭，使其发光特性与原来萘的发光特性不同；探索了二硫代酯中R基团的立体和电子等性能对MMA的RAFT聚合的影响。

The results showed that the shape selective effect of the faujasite is obvious, and the thermodynamic balance exists between 2,6 DTBN and 2,7 DTBN.

结果表明，八面沸石对该反应过程有较好的择形催化作用，两种异构化产物(2 ，6 二叔丁基萘和 2 ，7 二叔丁基萘)之间存在着热力学平衡，即两种异构化产物可在酸性中心位上相互转化。

We synthesized a new monomer 1, 4-bis (4-fluorobenzoyl) naphthalene(1, 4-BFN) using the acyl chloride reaction and Friedel-Crafts acylation reaction of 1, 4-Naphthalenedicarboxylic acid with fluorobenzene.

第二部分，我们从1，4-萘二甲酸出发，经过酰氯化反应及付氏酰基化反应，合成了新型单体1，4-二（4-氟苯羰基）萘(1， 4-BFN)。

First, 5-nitro-1 and 4-naphthoquinone are prepared through nitration and oxidization of naphthalene, and then through reduction of nitro into amide, diazotisation of the amide and hydro-lytic action of diazo salt, the juglone is made.

萘经过硝化、氧化生成5-硝基-1，4萘醌，然后硝基还原成氨基、氨基重氮化、重氮盐再水解，最终用新方法制得胡桃醌。

The present doctoral dissertation was carried out to study the chemical constituents isolated from stems of two medicinal schisandraceous plants.34 compounds were isolated from the ethanol extracts of the stems S.henryi collected in the Jiangxi province by various column chromatographies.27 of them were identified on the basis of spectral analysis.There are 18 lignans,(including 5 dibenzocyclooctadienes,6 aryltetralins,2 tetrahydrofurans,3 diarylbutanes,2 other lignans),3 flavanols,2 glyceroesters,1 naphthoquinone,1 xanthine and 2 steroids,of which 6 compounds were new compounds,and 7 compounds were isolated from this family for the first time.

采用多种色谱技术进行分离纯化，从翼梗五味子藤茎的乙醇提取物中分离到34个化合物，综合运用现代波谱学技术鉴定了27个化合物，包括木脂素类化合物18个(其中联苯环辛烯类木脂素5个，芳基四氢萘类木脂素6个，四氢呋喃类木脂素2个，二芳基丁烷类3个，其他类型木脂素2个)，黄烷醇类化合物3个，甘油酯类化合物2个，萘醌类化合物1个，黄嘌呤类化合物1个，甾体类化合物2个，其中，5个为新化合物，7个为本科首次报道。

We have presented a practical method for the preparation of propargylic alcohols from terminal alkynes and carbonyl compounds promoted by KOH in the presence of 18-crown-6,and subsequent efficient cyclizations of propargylic alcohols with 2-naphthol catalyzed by InCl_3·4H_2O under the solvent-free ball-milling conditions.Ball milling exhibits its superiority over the reported methods in the preparation of propargylic alcohols and naphthopyran derivatives.

采用机械研磨方法进行了连续的两步固相化学反应的研究：首先，在氢氧化钾和18-冠-6的作用下，端基炔和羰基化合物在机械研磨条件下反应可以高效地生成相应的炔醇化合物；其次，在四水合三氯化铟的催化作用下，生成的炔醇化合物和2-萘酚在机械研磨条件下环加成生成相应的萘并吡喃产物。

The solid-liquid reaction method was used for the preparation of HPLC aryl-bonded silica gel stationary phases, including 3, 5-dinitrobenzyl, quinolinyl ether and 1, 1'-di(2-naphthol) ether bonded silica gel stationary phases by using N-(β-aminoethy1)-γ-aminopropylmethyldimethoxy silane and 3-glyci-doxypropyl trimethoxylsilane as coupling reagents, respectively.

采用固液相连续反应，以N-－γ-氨丙基甲基二甲氧基硅烷和γ-丙基三甲氧基硅烷为偶联剂，分别制备了二硝基苯甲酰胺基、喹啉醚基和联萘酚醚基三种芳基键合硅胶固定相。

The main intermediates were detected during decomposition,such as acetic acid,oxalic acid,malonic acid,phenol,3-hydroxyhypnone,naphthalene,benzene sulfonic acid,phthalic acid,β-naphthalene etc . by ultraviolet-visiblespectroscopy,ion chromatographand gas chromatograph coupled with mass spectrophotometertechniques.The possible degradation pathway of Acid Orange Ⅱ was also speculated,that was,hydroxyl radical reacted with the azo linkage-bearing carbon of naphthol-ring,and the C—N cleaved,the azo-dye decolored and mineralized.

运用紫外光谱、离子色谱、色谱-质谱联用等方法，测定出酸性橙Ⅱ的主要降解产物有乙酸、乙二酸、丙二酸、苯酚、3-羟基苯乙酮、萘、苯磺酸、邻苯二甲酸、β-萘酚等，并依此推测酸性橙Ⅱ的降解机理，即羟基自由基攻击酸性橙Ⅱ分子上与萘环相连的C—N键，导致C—N键的断裂，进而染料脱色矿化。

The ten target compounds from alkyl substituent to aryl substituent that have not yet been reported,which was obtained by dehydration, Subsequently treated with sodium nitrite resulting nitroso compounds and then reduced.

本论文以2-羟基-3-萘酸和邻巯基苯胺为原料，通过分子脱水、亚硝化、还原等反应合成了10个不同取代基团的4-苯并噻唑基-[1，2-d]萘并噁唑衍生物，并优化了合成的工艺条件。

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