The synthesis methods of energetic salts and energetic ionic liquids(cations including triazole, tetrazole, bridged azole, hexamethyenetetrammonia, etc;and anions including nitrate, perchlorate, azide, tetranitratealuminate, polycyan anion, N,N'-dinitrourea, etc.) are reviewed, and the effects of cations, anions and their substitution groups on melting point, enthalpy of formation, density of the materials are summarized.

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On the contrary, benzene hexachloride and several related compounds frequently

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Methods 4-Hydroxy- benzonitrile was treated with sodium hydrogen sulfide and anhydrous magnesium chloride in dimethyl formamide to give thioamide, which was then directly cyclized with ethyl 2-chloroacetoacetate without separation to give ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(2) in one-pot; then 2 was formylated with Duff reaction adopting hexamethylenetetramine in trifluoroacetic acid to give ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(3); finally, the target compound was obtained by the treatment of 3 with hydroxylamine hydrochloride and sodium formate in formic acid.

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Two synthetic routes of Caffeine have been determined and investigated after the analyzing and trying for the literal synthetic methods. In one route, the target compound was prepared from chloroacetyl chloride through six steps, the total yield is 50.5 %. In another route, the target compound was obtained from cyanoacetic acid through six steps, the total yield is 45%.

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This dissertation is mainly focused on the reactivity of methylenecyclopropanes and comprises six parts. 1 The reactions of methylenecyclopropanes with phenylsulfenyl chloride, phenylselenyl chloride and diphenyl diselenide; 2 The coupling reactions of the ring-opening products derivated from methylenecyclopropanes; 3 The palladium-catalyzed ring-enlargement of mono-aryl group substituted methylenecyclopropanes to cyclobutenes. 4 The gold-catalyzed domino ring-opening and ring-closing hydroamination of methylenecyclopropanes with sulfonamides; 5 The Lewis acid-catalyzed reactions of mono-aryl group substituted methylenecyclopropanes with diethyl ketomalonate in the presence of water; 6 The iodobenzene diacetate mediated novel 1,3-dipolar cycloaddition of methylenecyclopropanes, vinylidenecyclopropanes, and methylenecyclobutane with phthalhydrazine.

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Organic chlorine compounds, including hexachlorethane , pentalin , hexachlorobutadiene, HCB, pentachlorobenzene, dioxin, gammexane, tetracarp, carbon tetrachloride , chloroform and etc.

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Methods 4-Hydroxy- benzonitrile was treated with sodium hydrogen sulfide and anhydrous magnesium chloride in dimethyl formamide to give thioamide, which was then directly cyclized with ethyl 2-chloroacetoacetate without separation to give ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(2) in one-pot; then 2 was formylated with Duff reaction adopting hexamethylenetetramine in trifluoroacetic acid to give ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(3); finally, the target compound was obtained by the treatment of 3 with hydroxylamine hydrochloride and sodium formate in formic acid.

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All of the tripodal schiff base ligands and their complexes were characterized.

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Among the special nine pollutants, however, eight of them, including Hexachlorobenzene, N-Nitrosodi-N-propylamine, 3,3-dichlorobenzidine, 2,4,6-trichlorophenol, 2,3,4,5,6-pentachlorophenol, indeno (1,2,3-cd) pyrene, 4,4'-DDT and Heptachlor were in need of concern while another chemical: dibenzanthracene be of special concern. The sources of these chemicals were discussed and some control strategies were suggested based on the risk assessment.

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Tris-(1-aziridinyl)- phosphine oxide and 2-[bis-(2-chloroethyl)-amino]-tetrahydro-1, 3, 2-oxazaphospholidine-2-oxide(Ⅲ, B-518) possess inhibitory action against a variety of animal tumours and have been used clinically. Recently, bis-(1-aziridinyl)-phosphinyl carbamic acid ethyl ester(Ⅱ, AB-100) was found to possess significant activity with low toxicity on experimental animal tumours.

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hexachloride：六氯化合物

hexabasic 六堿的 | hexachloride 六氯化合物 | hexachlorobenzene 六氯苯

hexachloride：六氯化合物 (名)

hex 施魔法于; 使倒霉; 迷惑 (動) | hexachloride 六氯化合物 (名) | hexachloroethane 六氯乙烷 (名)

hexachloroethane：六氯乙烷 (名)

hexachloride 六氯化合物 (名) | hexachloroethane 六氯乙烷 (名) | hexachlorophene 六氯酚 (名)

hexabasic：六堿的

hexa 六 | hexabasic 六堿的 | hexachloride 六氯化合物

nucleating agent：成核劑

4.13.1 成核劑(Nucleating agent)有些無機粉未在發(fā)泡中可使泡棉結(jié)構(gòu)更為細致. (a) 電子照射 ( Electron Bean Irradiation ) ﹔多氯聯(lián)苯(PCB)類﹔多氯化奈類﹔有機錫化合物(三丁基錫類或三苯基錫類)﹔石棉﹔偶氮化合物﹔鉛和鉛化合物﹔汞和汞化合物﹔六價鉻及其化合物等其它有害環(huán)境物質(zhì).

Dieldrin：狄氏劑

多氯聯(lián)苯(PCBs)和有機氯殺蟲劑是持久性最強的人工合成有機化合物之一.1942年發(fā)明了高效農(nóng)藥高丙體六六六(Londane),六氯代苯(HCH)的 一同分異構(gòu)體.1948年發(fā)明了七氯(Heptachlor),艾氏劑(Aldrh),狄氏劑(Dieldrin)和毒殺芬(Toxaphene).毒殺芬是由萜烯氯代衍生而成的,