国产亚洲精品91-国产亚洲精品aa在线观看-国产亚洲精品aa在线看-国产亚洲精品xxx-国产亚洲精品不卡在线

樹人論文網一個專業的學術咨詢網站?。?!
樹人論文網
學術咨詢服務

Macroheterocycles

來源: 樹人論文網 瀏覽次數:447次
所屬分區:4區
ISSN:1998-9539
影響因子:1.112
是否開源:No
年文章量:74
研究方向:化學

Macroheterocycles雜志中文介紹

討論了含硫大雜環化合物的合成方法、結構和光譜特征。以α,_-二鹵代烷與堿α,_-烷二硫醇反應,合成了含2-6個硫原子的12-42元大雜環。通過芳香族1,2-二硫醇或2-巰基酚與脂肪族α-二鹵代衍生物的反應,制備了含硫和氧原子的氧雜硫大環烷烴。硫大環烷烴的合成包括二甲醚或α,_烷二羧酸二氯化物與α,_烷二胺的反應,然后用LiAlh4或B2H6還原大雜環二胺。以二羧酸二氯化物與α,_-惡烷二胺反應,以及氯磺酰-β-內酰胺與乙二醇反應制備了氧雜氮雜大環烷,雙(溴甲基)取代芳烴與雙(巰基甲基)苯的反應是合成低聚噻環烷的一般途徑。以2,6-雙(溴甲基)吡啶與α,_-烷烴二硫醇反應制備了含硫環吡啶衍生物。對于含有一個、兩個或多個噻吩環的大環化合物的合成,基于-噻吩烷羧酸氯化物的分子內和分子間?;?、2,5-雙(碳烷氧基烷基)噻吩的酰偶姻縮合和-鹵代烷基取代的噻吩β-酮酯的分子內烷基化的一些步驟。研究了含二硫化物和多硫化物的大雜環化合物的合成路線。合成過程中,均三甲苯或1,3-二甲氧基苯與二硫二氯化物或二硫二氯化物硫化,并氧化二硫醇,以1,3,5-三(巰基烷基)苯與三(溴代烷基)-甲烷或L,3,5-三[4-(巰基甲基)苯基]-苯的反應為基礎,合成了雙和三丙烯基環化合物。以1,3,5-三-[4-(溴甲基)苯基]苯為原料,研究了含硅、碲或鐵的含硫大雜環化合物的合成方法,并用X射線衍射、核磁共振、紅外光譜、紫外光譜等分析結果,討論了含硫大雜環化合物的結構及其導電性和磁性。

Macroheterocycles雜志英文介紹

Synthetic methods for, and structural and spectroscopic characteristics of sulfur-containing macroheterocycles are discussed. The synthesis of oligothiamacrocycloalkanes is based on the reaction of α, ò-dihaloalkanes with alkali α,ò-alkanedithiolates to form 12-42-membered macroheterocycles with 2-6 sulfur atoms in the ring. Oxathiamacrocycloalkanes containing sulfur and oxygen atoms in the ring have been prepared by reaction of aromatic 1,2-dithiols or 2-mercaptophenols with aliphatic α-ò-dihalo derivatives. The synthesis of thiamacrocycloalkanes involves the reaction of dimethyl ethers or α,ò-alkanedicarboxylic acid dichlorides with α,ò-alkanediamines followed by reduction of the macroheterocyclic diamides with LiAlH4 or B2H6. Oxathiaazamacrocycloalkanes have been prepared in a similar way by reaction of dicarboxylic acid dichlorides with α,ò-oxaalkanediamines as well as by reaction of chlorosulfonyl-β-lactams with glycols.A general synthetic route to oligothiacyclophanes is the reaction of bis-(bromomethyl) substituted arenes with bis-(mercaptomethyl)benzenes. Analogously, sulfur-containing cyclopyridinophanes have been prepared by reaction of 2,6-bis(bromomethyl)pyridine with α,ò-alkanedithiols. For the synthesis of macrocyclic compounds containing one, two, or several thiophene rings, some procedures based on intra-and intermolecular acylation of ò-thienylalkanecarboxylic acid chlorides, acyloin condensation of 2,5-bis(carbalkoxyalkyl)thiophenes, and intramolecular alkylation of ò-haloalkyl substituted β-keto esters of the thiophene series have been developed.Synthetic routes to macroheterocycles containing di-and polysulfide groups are discussed. The synthesis involves sulfurization of mesitylene or 1,3-dimethoxybenzene with disulfur dichloride or sulfur dichloride as well as the oxidation of dithiols.The synthesis of bi-and trimacrocyclic compounds is based on the reaction of 1,3,5-tris(mercaptoalkyl)benzenes with tris(bromoalkyl)-methanes or l,3,5-tris[4-(mercaptomethyl)phenyl]-benzene with 1,3,5-tris-[4-(bromomethyl)phenyl] benzene.Some methods for the synthesis of sulfur-containing macroheterocycles containing silicon, tellurium, or iron are considered.The structures of the sulfur-containing macroheterocycles are discussed using the results of X-ray diffraction, H NMR, IR, and UV spectroscopy as well as their electroconductive and magnetic properties.

Macroheterocycles影響因子

主站蜘蛛池模板: 亚洲国产高清精品线久久 | 欧美三级一区二区 | 亚洲1区 | 快猫在线观看入口免费网站满十八 | 女人被男人狂躁下面在线观看 | 国产高清一级片 | 亚洲大尺度在线观看 | 午夜水蜜桃视频在线观看 | 国产视频xxx | 亚洲欧美小视频 | 国产日本欧美亚洲精品视 | 丝袜美女被出水视频一区 | 国产成人精品1沈娜娜 | 国内精品小视频在线 | 国产成人yy免费视频 | 国产自精品 | 五月婷婷综合在线视频 | 亚洲最大在线视频 | 精品综合久久久久久97超人该 | 欧美视频中文字幕 | 国语三级 | 国产精品成久久久久三级 | 国产羞羞的视频在线观看免费 | 国产成人精品日本亚洲专一区 | 善良的后裔完整视频在线观看 | 日本综合欧美一区二区三区 | 含羞草麻豆| 美女hdxxxx中国 | 国产在线成人一区二区 | 精品香蕉99久久久久网站 | 国产亚洲精品久久久久久小说 | 看看免费a一片欧 | 国产精品一区不卡 | 黄色va| 麻豆国产在线视频 | 国产真实乱freesex | 正在播放国产巨作 | 久久国产免费观看精品3 | 国产精品嫩草影院视频 | 朴妮唛1一30集福利在线播放 | 亚洲精品国产福利 |