01352nas a2200241   4500008004100000022001400041245012500055210006900180260010300249300001400352490000700366520041300373653001300786653003400799653001300833653003000846653002100876100001800897700002100915700002000936700002300956856013100979       2011                        eng d  a1631-074800aLithium tetrafluoroborate catalyzed highly efficient inter- and intramolecular aza-Michael addition with aromatic amines0 aLithium tetrafluoroborate catalyzed highly efficient inter and i  a23 RUE LINOIS, 75724 PARIS, FRANCEbELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIERcDEC  a1059-10640 v143 a<p>Lithium tetrafluoroborate has been demonstrated for the first time to be an efficient catalyst in intermolecular aza-Michael addition aromatic amines to electron deficient alkenes. Suitability of the same catalyst in intramolecular aza-Michael addition leading 2-aryl-2,3-dihydroquinolin-4(1H) ones has also been described. (C) 2011 Published by Elsevier Masson SAS on behalf of Academie des sciences.</p>10a2-aryl-210a3-dihydroquinolin-(4H)-1-ones10aAnilines10aLithium tetrafluoroborate10aMichael addition1 aLad, Uday, P.1 aKulkarni, M., A.1 aDesai, Uday, V.1 aWadgaonkar, P., P.  uhttps://library.ncl.res.in/content/lithium-tetrafluoroborate-catalyzed-highly-efficient-inter-and-intramolecular-aza-michael-001663nas a2200253   4500008004100000022001400041245015600055210006900211260010300280300001200383490000700395520063000402653002501032653004301057653001701100653002901117653001901146100002701165700002201192700002001214700001801234700002801252856012901280       2013                        eng d  a1631-074800aDiethylamine: a smart organocatalyst in eco-safe and diastereoselective synthesis of medicinally privileged 2-amino-4H-chromenes at ambient temperature0 aDiethylamine a smart organocatalyst in ecosafe and diastereosele  a23 RUE LINOIS, 75724 PARIS, FRANCEbELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIERcAUG  a689-6950 v163 a<p>Diethylamine has been demonstrated to be an efficient organocatalyst in the diastereoselective synthesis of Bcl-2 protein antagonist (HA-14-1) and of its structural analogues by one-pot condensation between salicylaldehyde and three different C-H acids, viz, ethyl cyanoacetate, phenylsulfonyl acetonitrile, and malononitrile. Easy commercial availability of the catalyst at extremely low cost and avoidance of conventional work-up as well as purification procedures qualifies this scalable protocol for a ``near-ideal synthesis''. (c) 2013 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.</p>10a2-amino-4H-chromenes10aActive methylene compounds (C-H acids)10adiethylamine10amulticomponent reactions10aorganocatalyst1 aKulkarni, Makarand, A.1 aPandit, Kapil, S.1 aDesai, Uday, V.1 aLad, Uday, P.1 aWadgaonkar, Prakash, P.  uhttps://library.ncl.res.in/content/diethylamine-smart-organocatalyst-eco-safe-and-diastereoselective-synthesis-medicinally-001464nas a2200241   4500008004100000022001400041245013600055210006900191260010300260300001200363490000700375520049700382653003100879653002300910653002400933653001700957100002700974700001801001700002001019700002701039700002801066856012801094       2013                        eng d  a1631-074800aMechanistic approach for expeditious and solvent-free synthesis of alpha-hydroxy phosphonates using potassium phosphate as catalyst0 aMechanistic approach for expeditious and solventfree synthesis o  a23 RUE LINOIS, 75724 PARIS, FRANCEbELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIERcFEB  a148-1520 v163 a<p>An extremely simple, high yielding, highly rapid and solvent-free protocol has been described for hydrophosphylation of aldehydes using potassium phosphate as catalyst. Easy commercial availability of the reusable catalyst, operational simplicity at ambient temperature and avoidance of conventional work-up as well as purification procedure makes this solvent-free protocol a near-ideal synthesis. (C) 2012 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.</p>10aalpha-hydroxy phosphonates10aHydrophosphylation10aPotassium phosphate10aSolvent-free1 aKulkarni, Makarand, A.1 aLad, Uday, P.1 aDesai, Uday, V.1 aMitragotri, Satish, D.1 aWadgaonkar, Prakash, P.  uhttps://library.ncl.res.in/content/mechanistic-approach-expeditious-and-solvent-free-synthesis-alpha-hydroxy-phosphonates-0