查询词典 aromatic compounds

To test this hypothesis, we measured the effect of IV infusion of the NMDA blockers dizocilpine (MK-801) and-4-(3-phosphonopropyl) piperazine-2-carboxylic acid to decrease the MAC (the minimum alveolar concentration of anesthetic that prevents movement in 50% of subjects given a noxious stimulation) of 8 conventional anesthetics (cyclopropane, desflurane, enflurane, halothane, isoflurane, nitrous oxide, sevoflurane, and xenon) and 8 aromatic compounds (benzene, fluorobenzene, o-difluorobenzene, p-difluorobenzene, 1,2,4-trifluorobenzene, 1,3,5-trifluorobenzene, pentafluorobenzene, and hexafluorobenzene) and, for comparison, etomidate.

为了验证这个假说，我们检测静脉注射 NMDA 阻滞剂 MK-801和 CPP 来降低8种常规吸入麻醉药（环丙烷，地氟醚，安氟醚，氟烷，异氟醚，一氧化二氮，七氟醚和氙）和8种芳香族化合物（苯，氟苯，邻二氟苯，对二氟苯， 1，2，4-三氟苯， 1，3，5-三氟苯，五氟苯和六氟苯的 MAC 值，依托咪酯作为对照组。

The design, synthesis, characterization and self-assembled monolayers of heterocyclic aromatic selenium compounds were studied in this project.

开展硒芳香杂环化合物的设计、合成、表征和自组装单分子膜研究工作。

Initial experiment showed that the aromatic compounds were brominated to corresponding bromides with hydrobromic acid or bromine as brominating agent in the presence of sodium nitrite under the mild conditions.

研究发现在NaNO_2存在时，氧气能够以HBr(或Br_2)为溴化试剂，在温和条件下将芳香化合物氧化溴化生成相应的溴代芳香化合物。

We studied reactions of sulphoxide with aliphatic and aromatic 1,3-dicarbonyl compounds promoted by Cu2·H2O, 2,2′-biimidazole and iodobenzene diacetate, with the presence of K2CO3 as a base and DMSO a solvent.

我们以K2CO3作为碱，DMSO作为反应的溶剂，在二醋酸碘苯、Cu2·H2O、2，2′-联咪唑体系中，对脂肪族和芳香族的1，3-二羰基化合物和亚砜的反应进行了研究。

Provided herein is a compound having the formula I R2 is typically a tertiary nitrogen atom, being either alkyl-substituted or member of q heterocyclic ring R7 is typically a monocyclic or bicyclic aromatic ring or a heterocyclic ring wherein said compounds are useful for the treatment of psychiatric disorders including but not limited to depression, generalized anxiety, eating disorders, dementia, panic disorder, and sleep disorders.

本发明提供具有式的化合物(R 2 通常为叔氮原子，其或者为烷基取代或为杂环的成员；R 7 通常为单环或双环芳环或杂环)，其中所述化合物用于治疗精神病学的疾病，其包括抑郁症、泛化性焦虑症、饮食障碍、痴呆症、恐慌病和睡眠障碍。

Some products included methoxy group, naphthyl and heterocyclic aromatic moieties, and some were borne with two 1-propynyl groups. It is more important that compounds bearing halogens were also synthesized via this protocol.

运用此法不仅合成出一些含有醚键、萘环、杂环以及含有两个1-丙炔基的化合物，重要的是芳环上含有卤原子的化合物也能顺利地合成出来。

The aromatic position isomers, such as xylene and nitrotoluene, were separated well. Moreover, some chiral compounds including alcohol, amine, ester etc., were also resolved.

不但对二甲笨、硝甲苯等难分离的芳香族位置异构体，而且对醇、胺、酯等多种类型的手性异构体均有很好的分离能力和手性选择能力。

From activated sluge of SBR system, to obtain dominant mixed bacteria, such as Nocardia and Pseudomonas by screening and acclimatization. When mixed and applied to degradation experiment of bleaching wastewater, degradation of chloride aromatic compounds very well.

从SBR系统的活性污泥中筛选、培育得到优势菌，经组合后，选取具有高效降解芳香族化合物的优势混合菌即假单胞菌和诺卡氏菌的组合菌，应用于造纸漂白废水的氯代芳香族化合物的降解实验。

This invention pertains to compounds of Formula I, their N-oxides and suitable salts wherein A is O or S; G is a 5- or 6-membered heteroaromatic ring or a 5- or 6-membered nonaromatic heterocyclic ring optionally including one or two ring members selected from the group consisting of C, SO or S2, each ring optionally substituted with from one to four R; each J is independently a phenyl ring, a 5- or 6-membered heteroaromatic ring or an aromatic 8-, 9- or 10-membered fused carbobicyclic or heterobicyclic ring system, wherein each ring or ring system is optionally substituted with from one to four R; and R, R, R, R and n are as defined in the disclosure.

本发明涉及式I的化合物、其N-氧化物和适当盐，其中A是O或S；G是任选地包含一个或两个独立选自C、SO或S 2 的环成员的5-或6-员杂芳环或5-或6-员非芳族杂环，各环任选地被1-4个R 2 取代；各J独立地是苯环，5-或6-员杂芳环或芳族8-，9-或10-员稠合的碳二环或杂二环系，其中各环或环系任选地被1-4个R 3 取代；R 1 ，R 2 ，R 3 ，R 4 和n如说明书中定义。

In this dissertation, electrophilic reactions of Nitrosonium with imines, aza-Diels-Alder reactions of N-arylimines with a variety of electron rich olefinic compounds induced by NO~+, and photoreactions of N-nitrosodiphenylamine with aromatic amines were studied.

本文研究了：(1)NO~+与亚胺双健发生的亲电反应；(2)NO~+引发的芳香亚胺和富电子碳碳双键作为亲二烯体的氮杂Diels-Alder反应，高选择性地得到了一系列四氢喹啉的衍生物；(3)N—亚硝基二苯胺与芳香胺发生光化学反应得到了一系列偶氮苯类化合物。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。