Items where Author is "Joseph, Roymon"

Joseph, Roymon ; Chinta, Jugun Prakash ; Rao, Chebrolu P. (2011) Calix[4]arene-based 1,3-diconjugate of salicylyl imine having dibenzyl amine moiety (L): synthesis, characterization, receptor properties toward Fe²⁺, Cu²⁺, and Zn²⁺, crystal structures of its Zn²⁺ and Cu²⁺ complexes, and selective phosphate sensing by the [ZnL] Inorganic Chemistry, 50 (15). pp. 7050-7058. ISSN 0020-1669

Joseph, Roymon ; Chinta, Jugun Prakash ; Rao, Chebrolu P. (2010) Benzothiazole appended lower rim 1,3-di-amido-derivative of calix[4]arene: synthesis, structure, receptor properties towards Cu²⁺, iodide recognition and computational modeling Inorganica Chimica Acta, 363 (12). pp. 2833-2839. ISSN 0020-1693

Ali, Amjad ; Joseph, Roymon ; Mahieu, Bernard ; Rao, Chebrolu P. (2010) Synthesis and characterization of a (1+1) cyclic Schiff base of a lower rim 1,3-diderivative of p-tert-butylcalix[4]arene and its complexes of VO²⁺, UO²⁺₂, Fe³⁺, Ni²⁺, Cu²⁺ and Zn²⁺ Polyhedron, 29 (3). pp. 1035-1040. ISSN 0277-5387

Joseph, Roymon ; Ramanujam, Balaji ; Acharya, Amitabha ; Rao, Chebrolu P. (2009) Lower rim 1,3-di{bis(2-picolyl)}amide derivative of calix[4]arene (L) as ratiometric primary sensor toward Ag⁺ and the complex of Ag⁺ as secondary sensor toward cys: experimental, computational, and microscopy studies and INHIBIT logic gate properties of L Journal of Organic Chemistry, 74 (21). pp. 8181-8190. ISSN 0022-3263

Joseph, Roymon ; Ramanujam, Balaji ; Acharya, Amitabha ; Rao, Chebrolu P. (2009) Fluorescence switch-on sensor for Cu²⁺ by an amide linked lower rim 1,3-bis(2-picolyl)amine derivative of calix[4]arene in aqueous methanol Tetrahedron Letters, 50 (23). pp. 2735-2739. ISSN 0040-4039

Joseph, Roymon ; Ramanujam, Balaji ; Pal, Haridas ; Rao, Chebrolu P. (2008) Lower rim 1,3-di-amide-derivative of calix[4]arene possessing bis-{N-(2,2'-dipyridylamide)} pendants: a dual fluorescence sensor for Zn²⁺ and Ni²⁺ Tetrahedron Letters, 49 (43). pp. 6257-6261. ISSN 0040-4039

Joseph, Roymon ; Ramanujam, Balaji ; Acharya, Amitabha ; Khutia, Anupam ; Rao, Chebrolu P. (2008) Experimental and computational studies of selective recognition of Hg²⁺ by amide linked lower rim 1,3-dibenzimidazole derivative of calix[4]arene: species characterization in solution and that in the isolated complex, including the delineation of the nanostructures Journal of Organic Chemistry, 73 (15). pp. 5745-5758. ISSN 0022-3263

Joseph, Roymon ; Gupta, Ankur ; Ali, Amjad ; Rao, Chebrolu P. (2007) Fluorescence and absorption studies on the selective recognition of iodide by lower rim 1,3-bis(aminoethoxy)- p-t-butyl-calix[4]arene derivative Indian Journal of Chemistry - Section A: Inorganic, Physical, Theoretical and Analytical Chemistry, 46 . pp. 1095-1100. ISSN 0376-4710

Joseph, Roymon ; Gupta, Ankur ; Rao, Chebrolu P. (2007) Photophysical properties of the interaction of lower rim 1,3-bis(aminoethoxy)-calix[4]arene derivative with Pb²⁺, Hg²⁺ and Cd²⁺ions: recognition of Hg²⁺ Journal of Photochemistry and Photobiology A: Chemistry, 188 (2-3). pp. 325-328. ISSN 1010-6030

Dessingou, Jayaraman ; Joseph, Roymon ; Rao, Chebrolu P. (2005) A direct fluorescence-on chemo-sensor for selective recognition of Zn(II) by a lower rim 1,3-di-derivative of calix[4]arene possessing bis-{N-(2-hydroxynaphthyl-1-methylimine)} pendants Tetrahedron Letters, 46 (46). pp. 7967-7971. ISSN 0040-4039