01351nas a2200193   4500008004100000022001400041245016800055210006900223260011000292300001600402490000600418520048800424100002500912700002000937700002200957700002700979700002801006856012301034       2014                        eng d  a2046-206900aNickel ferrite nanoparticles-hydrogen peroxide: a green catalyst-oxidant combination in chemoselective oxidation of thiols to disulfides and sulfides to sulfoxides0 aNickel ferrite nanoparticleshydrogen peroxide a green catalystox  aTHOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLANDbROYAL SOC CHEMISTRYcJUL  a36702-367070 v43 a<p>Nickel ferrite nanoparticles-hydrogen peroxide has been demonstrated for the first time as a green and efficient catalyst-oxidant combination in the chemoselective oxidation of thiols to disulfides and sulfides to sulfoxides. This magnetically separable catalyst was found to be reusable for five consecutive runs without appreciable change in the activity, as well as composition of the catalyst. The mechanism for the oxidation of thiols and sulfides has also been proposed.</p>1 aKulkarni, Aparna, M.1 aDesai, Uday, V.1 aPandit, Kapil, S.1 aKulkarni, Makarand, A.1 aWadgaonkar, Prakash, P.  uhttps://library.ncl.res.in/content/nickel-ferrite-nanoparticles-hydrogen-peroxide-green-catalyst-oxidant-combination-001472nas a2200265   4500008004100000022001400041245015100055210006900206260009200275300001200367490000600379520044600385653002200831653001700853653002000870653002900890653001900919653001500938100002000953700002700973700002201000700002501022700002801047856013101075       2014                        eng d  a1751-825300aSimple, economical, and environmentally benign protocol for the synthesis of 2-amino-3,5-dicarbonitrile-6-sulfanylpyridines at ambient temperature0 aSimple economical and environmentally benign protocol for the sy  a4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLANDbTAYLOR & FRANCIS LTDcJUN  a228-2350 v73 a<p>A simple, economical, and environmentally benign protocol has been described for one-pot synthesis of medicinally privileged 2-amino-3,5-dicarbonitrile-6-sulfanylpyridines by three-component condensation between aldehyde, malononitrile, and thiol using diethylamine as a catalyst. Ambient temperature and avoidance of conventional work-up as well as purification procedure qualify this cost-effective protocol for ``green synthesis.''</p>10a5-dicarbonitriles10adiethylamine10agreen chemistry10amulticomponent reactions10aorganocatalyst10apyridine-31 aDesai, Uday, V.1 aKulkarni, Makarand, A.1 aPandit, Kapil, S.1 aKulkarni, Aparna, M.1 aWadgaonkar, Prakash, P.  uhttps://library.ncl.res.in/content/simple-economical-and-environmentally-benign-protocol-synthesis-2-amino-35-dicarbonitrile-601331nas a2200193   4500008004100000022001400041245011700055210006900172260011000241300001600351490000600367520051600373100002500889700002200914700002300936700002000959700002800979856013001007       2015                        eng d  a2046-206900aCobalt ferrite nanoparticles: a magnetically separable and reusable catalyst for Petasis-Borono-Mannich reaction0 aCobalt ferrite nanoparticles a magnetically separable and reusab  aTHOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLANDbROYAL SOC CHEMISTRYcAUG  a70586-705940 v53 a<p>Magnetically separable cobalt ferrite nanoparticles (CoFe2O4, NPS) have been demonstrated for the first time as an efficient catalyst in Petasis-Borono-Mannich (PBM) reaction between salicylaldehydes, sec. amines and aryl boronic acids to furnish alkylaminophenols in high yields. Relatively shorter reaction times, easy purification of the products and reusability of the catalyst for five consecutive runs without appreciable loss in it's activity are the noteworthy features of the developed protocol.</p>1 aKulkarni, Aparna, M.1 aPandit, Kapil, S.1 aChavan, Pramod, V.1 aDesai, Uday, V.1 aWadgaonkar, Prakash, P.  uhttps://library.ncl.res.in/content/cobalt-ferrite-nanoparticles-magnetically-separable-and-reusable-catalyst-petasis-borono-0