全部文献期刊会议图书|学者科研项目
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作者:Antar A. Abdelhamid , Shaaban K. Mohamed , Amer A. Amer
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (1), pp.63-70Taylor & Francis
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:Ravil I. Khusnutdinov , Tatyana M. Egorova , Rishat I. Aminov ...
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (4), pp.564-570Taylor & Francis
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:Roktopol Hazarika , Manashjyoti Konwar , Krishnaiah Damarla ...
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (3), pp.329-337Taylor & Francis
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.571-579Taylor & Francis
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.446-455Taylor & Francis
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:Kondbarao Balasaheb Kalyankar , Saibal Das
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (3), pp.322-328Taylor & Francis
摘要:Abstract(#br)The first total synthesis of recently isolated 5( S )-hydroxyrecifeiolide has been described in ten straight forward linear steps with 14% of overall yield. The key reaction involves Jacobsen’s hydrolytic kinetic resolution, Copper catalysed Grignard reaction, S...
作者:Kodam Sujatha , Rajeswar Rao Vedula
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (1), pp.129-135Taylor & Francis
摘要:Abstract(#br)An expeditious, one-pot multicomponent reaction has been developed for the synthesis of (E)-2-(benzylideneamino)-5-mercapto-4 H -1,2,4-triazol-3-yl)-2,3-dihydrophthalazine-1,4-dione derivatives. Condensation of 4-amino-5-hydrazino-4 H -1,2,4-triazole-3-thiol with pht...
作者:Bhushan B. Borase , Himanshu M. Godbole , Girij P. Singh ...
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (1), pp.48-55Taylor & Francis
摘要:Abstract(#br)A novel, efficient and concise synthesis of chirally pure quinapril hydrochloride is described. The key step is the formation of α-amino amide backbone in one step using Ugi three component reaction. This method allows short access to α-amino amide chain which i...
作者:P. Rasvan Khan , P. H. K. Charan , M. Basaveshwara Rao
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (3), pp.432-437Taylor & Francis
摘要:Abstract(#br)A catalytic amount of FeCl3 is found to be effective for the synthesis of fused furo[3,2- c ]pyrano[2,3- b ]chromene derivatives through a tandem Prins type cyclization. The reaction proceeds smoothly in the presence of 10 mol% FeCl3 in dichloro...
作者:Berencie Yahuaca-Juárez , Gerardo González , Marco A. Ramírez-Morales ...
来源:[J].Synthetic Communications(IF 1.06), 2020, Vol.50 (4), pp.539-548Taylor & Francis
摘要:Abstract(#br)The first iodine(III)-based procedure for the benzylic oxidation of different arenes is described by using the (PhIO)n/Al(NO3)3 system under catalytic conditions leading to the formation of the corresponding carbonyl derivatives. The ...

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