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吲哚类生物碱是具有吲哚分子骨架的一类化合物,具有多种良好的生理活性。文章综述了近年来新发现吲哚类生物碱的合成研究进展,介绍了(-)-Arboricine,(±)-cis-Trikentrin A,(-)-Corynantheidol等化合物的合成方法。 相似文献
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吲哚酮衍生物是一类重要的杂环化合物,尤其在杂环染料上。最近,Griffiths 等报道了茚三酮核上连接有偶氮基的新型的在近红外有吸收的染料,因此在吲哚酮环发色团上接上各种助色团就引起了人们的兴趣。众所周 相似文献
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Manickam Bakthadoss Anthonisamy Devaraj Jayakumar Srinivasan 《Journal of heterocyclic chemistry》2015,52(2):418-424
In this article, a simple method for the synthesis of bis(di(indolyl)aryl)methanes is described. The iodine‐catalyzed (5 mol %) reaction of indoles with various bis(salicylaldehyde) derivatives affords the bis(di(indolyl)aryl)methanes in excellent yields. The reaction works well under mild reaction condition with shorter reaction time. 相似文献
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Babasaheb P. Bandgar Sampada V. Bettigeri Neeta S. Joshi 《Monatshefte für Chemie / Chemical Monthly》2004,135(10):1265-1273
Summary. Highly rapid and convenient syntheses of bis(indolyl)methanes in excellent yields were carried out using the inexpensive and easily available catalyst, hexamethylenetetraamine-bromine (HMTAB). Mild reaction conditions, short reaction times, and excellent yields are important features of this method. 相似文献
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KAMBLE Vinod Tribhuvannathji BANDGAR Babasaheb Pandurang BAVIKAR Sudhir Narayanrao 《中国化学》2007,25(1):13-15
Sodium tetrafluoroborate (NaBF4) was found to catalyze the electrophilic substitution reactions of indoles with aldehydes and ketones under solvent-free conditions to afford the corresponding bis(indolyl)methanes in high yields. 相似文献
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A highly effective Meldrum's acid catalyzed synthesis of bis(indol‐3‐yl)methanes has been developed. This reaction provides the corresponding bis(indol‐3‐yl)methanes in high yields after short reaction time in the presence of 2 mol % catalyst in water under ultrasonic condition. 相似文献
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A. Srinivasa Belakatta P. Nandeshwarappa Balaji M. Kiran Kittappa M. Mahadevan 《Phosphorus, sulfur, and silicon and the related elements》2013,188(10):2243-2249
A mild and efficient condensation reaction of indoles with various aldehydes and ketones under catalysis of antimony trichloride (SbCl3) afforded biologically important bis(indolyl)methanes in good yield. The structures of all the newly synthesized compounds were elucidated on the basis of IR, 1H NMR and mass spectral data. 相似文献
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Benzenesulfonic Acid: A Versatile Catalyst for the Synthesis of Bis(indolyl)methanes as Antioxidants
《Journal of heterocyclic chemistry》2017,54(5):2717-2724
The reaction of indoles with carbonyl compounds in the presence of 5 mol% benzenesulfonic acid in acetonitrile was performed to synthesize bis(indolyl)methane derivatives adopting conventional and ultrasonication methodologies. The reaction proceeded in shorter reaction time in ultrasonication methodology leading to high yield of the products. All the synthesized compounds were tested for antioxidant activity. Among all the tested compounds, 3k exhibited pronounced antioxidant activity. 相似文献
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The reaction of pyrrole/furan aldehyde with Grignard reagent and pyrrole/N-methyl pyrrole in sequence allows efficient synthesis of a number of meso-elaborated bis(heterocyclyl)methanes, which are otherwise difficult to obtain through a direct aldehyde condensation route. 相似文献