153391-26-5Relevant academic research and scientific papers
Base-mediated alternate route for multi-functionalized allylbenzenes using ring transformation strategy
Shetgaonkar, Samata E.,Singh, Fateh V.
, p. 2511 - 2521 (2020/07/09)
A simple yet innovative approach for the construction of multi-substituted allylbenzenes 14, 16 and 18 with ‘donor-acceptor’ functionalities has been delineated through base-mediated ring transformation of 6-aryl-2H-pyran-2-ones 13, 15 and 17 respectively
Transition metal-free synthesis of sterically hindered allylarenes from 5-hexene-2-one
Althagafi, Ismail,Elagamy, Amr,Nemaysh, Vishal,Pratap, Ramendra,Rai, Reeta,Shah, Chandan,Shaw, Ranjay,Singh, Harpreet
supporting information, p. 6276 - 6286 (2020/09/07)
A simple, efficient and transition metal-free strategy was established for the synthesis of highly functionalized, sterically hindered allylarenes (6, 7 & 8) by base-mediated ring transformation of 2-oxo-6-aryl-4-(methylthio/sec-amino)-2H-pyran-3-carbonit
Synthesis of Solution-Processable Donor-Acceptor Pyranone Dyads for White Organic Light-Emitting Devices
Sharma, Chandra P.,Gupta, Neeraj M.,Singh, Jagriti,Yadav, Rohit Ashok Kumar,Dubey, Deepak Kumar,Rawat, Kundan S.,Jha, Ajay K.,Jou, Jwo-Huei,Goel, Atul
, p. 7674 - 7684 (2019/06/27)
A series of donor-acceptor pyranones (3a-m, 4a-h) were synthesized using α-oxo-ketene-S,S-acetal as the synthon for their application as emissive materials for energy-saving organic light-emitting devices (OLEDs). Among them, five pyranones 3f, 3g, 3h, 3m
Base-promoted regioselective synthesis of 1,2,3,4-terahydroquinolines and quinolines from N-boc-3-piperidone
Shally,Althagafi, Ismail,Singhal, Divya,Panwar, Rahul,Shaw, Ranjay,Elagamy, Amr,Pratap, Ramendra
, (2019/11/11)
An efficient synthesis of 1,2,3,4-tetrahydroquinolines with donor and acceptor group has been delineated by base mediated ring transformation of 6-aryl-4-substituted-2H-pyran-2-one-3-carbonitriles by N-boc-3-piperidone followed by consecutive deprotection
Chemoselective synthesis of m-teraryls through ring transformation of 2 H-pyran-2-ones by 2-(1-arylethylidene)-malononitriles
Panwar, Rahul,Shally,Shaw, Ranjay,Elagamy, Amr,Pratap, Ramendra
, p. 8994 - 9002 (2018/12/10)
We have developed a simple, efficient and chemoselective approach for the synthesis of m-teraryls by the reaction of 6-aryl-2-oxo-4-(sec.amino)-2H-pyran-3-carbonitriles and 2-(1-arylethylidene)malononitriles under basic conditions. We used 6-aryl-2-oxo-4-
Photophysical and electrochemical studies of highly fluorescent pyrazole and imidazole containing heterocycles
Maurya, Hardesh K.,Kumar, Ch. Pavan,Chandrasekharam,Gupta, Atul
, p. 686 - 696 (2016/09/28)
Highly congested pyrazole and imidazole ring containing heterocycles were studied for their photophysical and electrochemical properties. TDDFT calculations of the molecules were carried out using B3LYP/G(d,p) level theory in DMF medium and the results we
Microwave directed metal-free regiodivergent synthesis of 1,2-teraryls and study of supramolecular interactions
Singh, Surjeet,Shally,Shaw, Ranjay,Yadav, Reena,Kumar, Abhinav,Pratap, Ramendra
, p. 14768 - 14777 (2016/02/19)
A microwave directed, simple and efficient synthesis of 3′-amino-5′-(sec.amino)-[1,1′:2′,1′′-teraryl]-4′-carbonitriles has been delineated through ring transformation reaction of 6-aryl-2-oxo-4-sec.amino-2H-pyran-3-carbonitriles by benzyl cyanide under ba
Base mediated regioselective synthesis of highly functionalized conjugated enones
Singh, Surjeet,Panwar, Rahul,Althagafi, Ismail,Sharma, Vashundhara,Chaudhary, Sandeep,Pratap, Ramendra
, p. 5203 - 5208 (2015/08/19)
A simple, regioselective, convenient, and base mediated synthesis of (2E,4E)-5-aryl-6-oxo-6-phenyl-3-sec.amino-hexa-2,4-dienenitriles has been achieved by the reaction of 6-aryl-4-sec.amino-2-oxo-2H-pyran-3-carbonitriles and benzyl cyanide. This reaction
A carbanion induced synthesis of highly congested pyrazole and imidazole containing heterocycles
Maurya, Hardesh K.,Gupta, Atul
, p. 1715 - 1719 (2014/03/21)
An efficient approach to the synthesis of highly congested di, penta and hexacyclic pyrazoles as well as imidazole fragment containing novel heterocyclic molecule has been developed through a carbanion induced transformation of suitably functionalized 2H-
Synthesis and glycosidase inhibitory activity of novel (2-phenyl-4H- benzopyrimedo[2,1-b]-thiazol-4-yliden)acetonitrile derivatives
Patil, Vijay S.,Nandre, Kamalakar P.,Ghosh, Sougata,Rao, Vaidya Jayathirtha,Chopade, Balu A.,Bhosale, Sheshanath V.,Bhosale, Sidhanath V.
, p. 7011 - 7014 (2013/01/15)
A series of (2-phenyl-4H-benzopyrimodo[2,1-b][1,3]thiazol-4-yliden-4- yliden)acetonitrile derivatives have been prepared by ring transformation reaction of 4-(methylthio)-2-oxo-6-aryl-2H-pyrane-3-carbonitriles. The yield of ring transformation product is
