共查询到19条相似文献,搜索用时 156 毫秒
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四硫富瓦烯基四硫纶及其配合物的合成 总被引:3,自引:0,他引:3
以二硫化碳、N,N-二甲基甲酰胺(DMF)为起始原料,亚磷酸三丁酯为偶联剂,合成了2,3,6,7-四(2’-氰乙硫基)网硫富瓦烯四硫纶(TTFTT),并以TTFTT为桥配体、邻菲啰啉为封端配体,制得了中心金属离子为Zn^2+、Ni^2+的四硫富瓦烯基四硫纶双金属配合物。中间物及产物经IR和元素分析进行了结构表征,其中目标产物元素分析的实测值与计算值比较吻合,说明合成路线合理可行。 相似文献
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四硫富瓦烯基二硫纶及其配合物的合成 总被引:3,自引:0,他引:3
四硫富瓦烯-1,2-二硫纶(TTFDT)在有机金属导体领域有着良好的应用前景,通过恰当的分子设计可以开发出具有良好电导率的衍生物和配合物。设计、合成和表征了一种可作为配体前体的TTFDT衍生物,并且改进了其合成方法。 相似文献
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以6-氨基-3-吡啶甲酸为起始原料,经过酯化反应、环合反应、还原反应得到7-羟甲基咪唑并[1,2-a]吡啶,总收率为42%. 相似文献
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以对苯醌和乙酸酐为起始原料,浓硫酸为催化剂,在常温常压下经Thiele反应生成1,2,4-苯三酚三乙酸酯;然后以浓硫酸为催化剂和脱水剂,将1,2,4-苯三酚三乙酸酯与苹果酸经Pechmann反应生成6,7-二羟基色烯-2-酮;再与3-氯环氧丙烷环合最终生成目标化合物2-羟甲基-2,3-二氢-1,4-二噁英并[2,3-g]色烯-7-酮,总收率为43.7%(以对苯醌计)。目标化合物的结构经IR、1H NMR和MS初步确证。该合成路线具有操作简单,反应条件温和、选择性高、成本低、环境友好。 相似文献
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将N-(2-吡咯甲酰基)-β-丙氨酸甲酯(Ⅲ)与卤代烃经烷基化反应得到的产物水解,得到N-(1-烷基-2-吡咯甲酰基)-β-丙氨酸(Ⅱa~Ⅱc),收率84.7%~91.2%;以化合物Ⅱ为原料,在多聚磷酸-P2O5作用下,经分子内环化反应合成了标题化合物1-烷基-6,7-二氢-1H,5H-吡咯并[2,3-c]氮杂-4,8-二酮(Ⅰa~Ⅰc),收率69.1%~77.2%。3步反应总收率为61.8%~69.1%。测定了3个标题化合物对α-葡萄糖苷酶的抑制作用。 相似文献
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《Journal of Sulfur Chemistry》2013,34(6):630-636
A simple original approach to earlier unknown parent 2,7-dihydrothiopyrano[2,3-b]pyrrole (5) from allyl isothiocyanate and propargyl bromide via one-pot synthesis and thermal rearrangement of 2-(prop-2-ynylsulfanyl)-1H-pyrrole (4) has been developed. The compound 5 in the present study was successfully examined as 2,7-dihydrothiopyrano[2,3-b]pyrrole scaffold in the synthesis of corresponding N- and C-pyrrolecarbodithioates. 相似文献
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Razieh Mohebat Nasim Simin Afshin Yazdani-Elah-Abadi 《Polycyclic Aromatic Compounds》2019,39(2):148-158
p-Toluenesulfonic acid was applied as an efficient, non-toxic and solid acid catalyst for the one-pot, four-component condensation between 2-hydroxy-1,4-naphthoquinone, benzene-1,2-diamine, cyclic 1,3-dicarbonyl compounds and isatin or ninhydrin to afford the corresponding novel spiro[benzo[a]chromeno[2,3-c]phenazine] derivatives via a new two-step domino protocol under conventional heating and microwave irradiation. This solvent-free process produces biologically considerable heterocycles with the formation of five new bonds (two C–C, two C?N, and one C–O) and two new rings in a single operation and this effective green process provides considerable advantages such as: operational simplicity, very short reaction time, high yields, absence of any tedious process or purification, and it avoids hazardous reagents/solvents. 相似文献
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以1-(2-甲基丙基)-4-氯-1H-咪唑并[4,5-c]喹啉(Ⅰ)为原料与哌啶反应合成了1-(2-甲基丙基)-4-[哌啶-1-基]-1H-咪唑并[4,5-c]喹啉(Ⅱ),当用甲苯为溶剂,n(Ⅰ)∶n(哌啶)∶n(K2CO3)=1∶2∶0.3时,Ⅱ的收率为88.5%;Ⅰ与三倍过量的吗啉反应合成1-(2-甲基丙基)-4-[吗啉-4-基]-1H-咪唑并[4,5-c]喹啉(Ⅲ),收率86.5%;Ⅰ与三倍过量的哌嗪在体积分数50%的1,4-二氧六环水溶液中反应合成1-(2-甲基丙基)-4-[哌嗪-1-基]-1H-咪唑并[4,5-c]喹啉(Ⅳ),收率59%。Ⅱ、Ⅲ、Ⅳ的合成工艺均较简单。 相似文献
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Ahmed I. M. Koraiem 《Journal of chemical technology and biotechnology (Oxford, Oxfordshire : 1986)》1984,34(2):43-50
New substituted pyrazolo and/or isoxazolo-[3,4-c]-pyrazole hemiazadicarbocyanine dyes (IVa-d, Va-d, VIa-d) were prepared via the synthesis of 4-arylidino-1-phenyl-3-benzoxazolium-2-yl-pyrazol-5-one (IIa-d) followed by their interaction with hydrazine hydrate, phenylhydrazine and hydroxylamine. Structures of the synthesised compounds were determined from analytical data and from spectra. The biological activity of IV, V and VI were tested against bacteria and fungi. 相似文献
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