Search Results - "Hazra, Anita"

Recognition of Carboxylate Anions and Carboxylic Acids by Selenium-Based New Chromogenic Fluorescent Sensor: A Remarkable Fluorescence Enhancement of Hindered Carboxylates by Goswami, Shyamaprosad, Hazra, Anita, Chakrabarty, Rinku, Fun, Hoong-Kun

“…A selenium metal-based new fluorescence sensor 5-pivaloylamino-1,2,5-selenodiazolo[3,4-d]pyrimidin-7-(6H)-one (receptor 1) has been reported for the…”
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One-step Direct Conversion of Heterocyclic Aldehydes to Esters by Goswami, Shyamaprosad, Hazra, Anita

“…One-step direct conversion of a series of heterocyclic aldehydes to heterocyclic esters is reported here by the use of thiamine hydrochloride as a catalyst in…”
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One-Pot Two-Step Solvent-Free Rapid and Clean Synthesis of 2-(Substituted Amino)pyrimidines by Microwave Irradiation by Goswami, Shyamaprosad, Hazra, Anita, Jana, Subrata

“…A series of diversely 2-(substituted amino)pyrimidines (along with ring substitution) has been synthesized under solvent- and catalyst-free microwave…”
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New access to the one-pot solvent-free synthesis of 4,5-dihydro-pyrido[2,3-b][1,4]diazepines and 2,3-dihydro-benzo[b][1,4]diazepines by microwave irradiation by Goswami, Shyamaprosad, Hazra, Anita, Jana, Subrata

“…A series of diversely substituted pyridodiazepines and benzodiazepines have been synthesized in solvent and catalyst free microwave condition from…”
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One-pot solvent and catalyst-free synthesis of functionalized 1,8-naphthyridines and quinolines by microwave irradiation by Goswami, Shyamaprosad, Jana, Subrata, Hazra, Anita, Adak, Avijit Kumar

“…A series of functionalized, aryl substituted naphthyridines and quinolines has been synthesized by microwave‐assisted one‐pot two‐component synthesis under…”
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Ethyl 7-pivaloylamino-1,8-naphthyridine-2-carboxylate sesquihydrate by Fun, Hoong-Kun, Hemamalini, Madhukar, Hazra, Anita, Goswami, Shyamaprosad

“…In the title hydrate, C16H19N3O3·1.5H2O, both water molecules are disordered: one over two adjacent sites in a 0.498 (5):0.502 (5) ratio and…”
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Selenodiazole-fused diacetamidopyrimidine, a selective fluorescence sensor for aliphatic monocarboxylates by Goswami, Shyamaprosad, Hazra, Anita, Das, Manas Kumar

“…A designed sensor, selenodiazole-fused pyrimidine ring having two acetylamino groups at 2,4-positions has been synthesized for selective recognition of…”
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N -Butyl-4,6-diphenylpyrimidin-2-amine by Fun, Hoong-Kun, Hemamalini, Madhukar, Hazra, Anita, Goswami, Shyamaprosad

“…In the title compound, C20H21N3, the pyrimidine ring is inclined at dihedral angles of 51.57 (4) and 2.49 (4)° to the two phenyl rings. The…”
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N -Benzyl-4-methyl-6-phenylpyrimidin-2-amine by Fun, Hoong-Kun, Hemamalini, Madhukar, Hazra, Anita, Goswami, Shyamaprosad

“…In the title compound, C18H17N3, the dihedral angles between the central pyrimidine ring and its directly-bonded and N-bonded pendant phenyl rings are…”
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Methyl pyrido[2,3- b ]pyrazine-3-carboxylate by Fun, Hoong-Kun, Hemamalini, Madhukar, Hazra, Anita, Goswami, Shyamaprosad

“…The asymmetric unit of the title compound, C9H7N3O2, is composed of two independent molecules. The crystal structure is stabilized by C—H...O and…”
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N -Butyl-4-methyl-6-phenylpyrimidin-2-amine by Fun, Hoong-Kun, Loh, Wan-Sin, Hazra, Anita, Goswami, Shyamaprosad

“…In the title compound, C15H19N3, the pyrimidine ring is approximately planar [maximum deviation = 0.007 (1) Å] and forms a dihedral angle of…”
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2,4-Diphenyl-4,5-dihydro-3H-pyrido[2,3-b][1,4]diazepine by Fun, Hoong-Kun, Yeap, Chin Sing, Hazra, Anita, Jana, Subrata, Goswami, Shyamaprosad

“…The asymmetric unit of the title compound, C(20)H(17)N(3), contains two crystallographically independent mol-ecules (A and B). In mol-ecule A, the two benzene…”
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Recognition of dicarboxylic acids by a bis pyrimidine amine linked xylene spacer: a unique gauche dimeric complex of host and adipic acid detected by X-ray by Goswami, Shyamaprosad, Hazra, Anita, Fun, Hoong-Kun

“…A pyrimidine based receptor (pyrimidine amine linked xylene spacer) has been synthesized for recognition of dicarboxylic acids. Binding studies have been…”
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6-Amino-2,5-bis-(pivaloylamino)pyrimidin-4(3H)-one dihydrate by Fun, Hoong-Kun, Balasubramani, Kasthuri, Hazra, Anita, Kumar Das, Manas, Goswami, Shyamaprosad

“…The asymmetric unit of the title compound, C(14)H(23)N(5)O(3)·2H(2)O, contains two crystallographically independent…”
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Sodium Cyanoborohydride-Mediated Direct Conversion of Some Heterocyclic Aldehydes to Esters by Goswami, Shyamaprosad, Hazra, Anita, Goh, Jia Hao, Fun, Hoong-Kun

“…An exceptional oxidizing behavior of sodium cyanoborohydride is observed where electron-withdrawing heterocyclic aldehydes are directly converted to their…”
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Anion recognition by a family of quinoline-functionalised bis-amide hosts in solid state and in solution by Jana, Subrata, Whiting, Amanda L., Hazra, Anita, Sen, Saikat, Goswami, Shyamaprosad, Mehta, Goverdhan, Fun, Hoong-Kun, Hof, Fraser

“…The interaction between a series of bidentate, amide-functionalised 8-oxyquinoline receptors and coordinating anions is investigated. Anion recognition…”
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Non-covalent synthesis of ionic and molecular complexes of benzoic acid and substituted 2-aminopyrimidines by varying aryl/alkyl substituents and their supramolecular chemistry by Goswami, Shyamaprosad, Jana, Subrata, Hazra, Anita, Fun, Hoong-Kun, Chantrapromma, Suchada

“…The non-covalent synthesis of ionic and molecular complexes of substituted 2-aminopyrimidines with benzoic acid in crystalline solid phase is reported. The…”
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Ethyl 7-pivaloyl-amino-1,8-naphthyridine-2-carboxyl-ate sesquihydrate by Fun, Hoong-Kun, Hemamalini, Madhukar, Hazra, Anita, Goswami, Shyamaprosad

“…In the title hydrate, C(16)H(19)N(3)O(3)·1.5H(2)O, both water mol-ecules are disordered: one over two adjacent sites in a 0.498 (5):0.502 (5) ratio and one…”
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N-Benzyl-4-methyl-6-phenyl-pyrimidin-2-amine by Fun, Hoong-Kun, Hemamalini, Madhukar, Hazra, Anita, Goswami, Shyamaprosad

“…In the title compound, C(18)H(17)N(3), the dihedral angles between the central pyrimidine ring and its directly-bonded and N-bonded pendant phenyl rings are…”
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Methyl pyrido[2,3-b]pyrazine-3-carboxyl-ate by Fun, Hoong-Kun, Hemamalini, Madhukar, Hazra, Anita, Goswami, Shyamaprosad

“…The asymmetric unit of the title compound, C(9)H(7)N(3)O(2), is composed of two independent mol-ecules. The crystal structure is stabilized by C-H⋯O and C-H⋯N…”
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