全部文献期刊会议图书|学者科研项目
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作者:Sergey Batalin , Margarita Golikova , Alexandra Khrustaleva ...
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (5), pp.659-668
摘要:Abstract(#br)A simple and efficient method has been developed for the synthesis 2-(2-hydroxyphenyl)-4-arylpyridines annulated by C5-C6 cycles with substituted benzylidene group is achieved by multi-component Kröhnke-type reaction with moderate to good y...
作者:Antar A. Abdelhamid , Shaaban K. Mohamed , Amer A. Amer
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (1), pp.63-70
摘要:Abstract(#br)The novel oxonine 2(#br), 4(#br) have been synthesized by the reaction of 1,3-indandione with 4-bromo-2-hydroxybenzaldehyde and/or 2-hydroxy-1-naphthaldehyde in the presence of 1,3-diaminopropan-2-ol as green basic catalyst. On the other hand, the reaction of 1,3-cyc...
作者:Jungan Zhang , Peipei Li , Hongyun Zeng ...
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (5), pp.735-741
摘要:Abstract(#br)2,4-Diphenyl thiazole is an important organic intermediate and its derivatives contain multiple biological properties. In the present study, we reported a new protocol to synthesize 2,4-diphenyl thiazole analogs, which involved the bromination of ethyl benzoylac...
作者:Ravil I. Khusnutdinov , Tatyana M. Egorova , Rishat I. Aminov ...
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (4), pp.564-570
摘要:Abstract(#br)FeCl3·6H2O-catalyzed Ritter amidation of deltacyclene and hexacyclic norbornadiene dimers containing both a double bond and a three-carbon ring in the molecule with acetonitrile and water was performed. Depending on the hydrocarbon structur...
作者:Grace Obi , Jude C. Chukwujekwu , Fanie R. van Heerden
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (5), pp.726-734
摘要:Abstract(#br)A series of new monoprenylated and diprenylated 2-pyrone derivatives with different halogen substituents were synthesized from the corresponding 6-aryl-4-hydroxy-2-pyrones by prenylation reactions. The compounds were evaluated for antibacterial activity and disp...
作者:Roktopol Hazarika , Manashjyoti Konwar , Krishnaiah Damarla ...
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (3), pp.329-337
摘要:Abstract(#br)An efficient and novel protocol for pyrazole synthesis has been developed by using fluoroboric acid as the acid catalyst. Simple and easily available 1,3-diketone and hydrazine derivatives are taken as the substrates for this purpose. The reaction entails mild reacti...
作者:Ya Cheng , Zheng Li
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (4), pp.571-579
摘要:Abstract(#br)The selective aza-Michael addition at N 1-position of indoles to 2-arylidenemalononitriles in the presence of potassium hydroxide is described. The salient features of this protocol are no transition-metal catalysts, mild conditions, high chemoselectivity, high atom ...
作者:Ismail M. M. Othman , Abdel Haleem M. Hussein
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (3), pp.446-455
摘要:Abstract(#br)The arylhydrazones 3a, b(#br) were prepared and reacted with various reagents to yield the target compounds pyrazoles 6a–f(#br), 1,6-dihydropyridazine-3-carboxamide derivatives 9a,b(#br) and thieno[3,4- d ]pyridazine-1-carboxamide derivatives 10a,b(#br). The str...
作者:Samir Y. Abbas , Marwa A. M. Sh. El-Sharief , Mohamed A. Salem ...
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (5), pp.621-648
摘要:Abstract(#br)When, cyanothioformamide derivatives are reacted with certain electrophiles, they produce imidazole, oxazole, thiazole, 2,5-thiadiazole, bis-imidazole and bis-oxazole derivatives; while the reaction with certain nucleophiles furnish benzoxazole, quinaolinone, triazol...
作者:Pankaj Sharma , Nutan Sharma , Gunjan Kashyap ...
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (5), pp.719-725
摘要:Abstract(#br)A concise, regioselective and highly efficient strategy for the construction of 6-bromo-5-methoxy-1 H -indole-3-carboxylic acid has been developed through trifluoroacetylated indole driven hydrolysis. The developed protocol has the advantage of selectively directing ...

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