Search Results - "FUN, H. K."

Synthesis, Spectroscopy, and α-Glucosidase Inhibitory Activity of 3-Substituted Hydrazone Derivatives and Crystal Structure of (1E,2E)-1,2-Bis[1-(3-methoxyphenyl)ethylidene]hydrazone by Boonnak, N., Chantrapromma, S., Ruanwas, P., Sontimuang, C., Fun, H.-K.

“…Six 3-substituted hydrazone derivatives [ R = −OCH 3 ( 1 ), −NH 2 ( 2 ), −NO 2 ( 3 ), −F ( 4 ), −Cl ( 5 ), and −Br ( 6 )] were synthesized by condensation…”
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Internal Rotation of 2-, 3- and 4-Pyridine Carboxaldehydes and Their Chalcogen Analogues (S and Se) in the Gas and Solution Phases: A Theoretical Investigation by Abdallah, Hassan H., Yeoh, P. H., Rhyman, L., Alswaidan, I. A., Fun, H.-K., Umar, Yunusa, Ramasami, P.

“…The optimized molecular structures, vibrational wavenumbers and corresponding vibrational assignments of the syn and anti conformers of 2-, 3- and 4-pyridine…”
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Synthesis of Lateral Macrobicyclic Compartmental Ligands: Structural, Magnetic, Electrochemical, and Catalytic Studies of Mono- and Binuclear Copper(II) Complexes by Thirumavalavan, M, Akilan, P, Kandaswamy, M, Chinnakali, Kandaswamy, Kumar, G. Senthil, Fun, H. K

“…A series of putative mono- and binuclear copper(II) complexes, of general formulas [CuL](ClO4) and [Cu2L](ClO4)2, respectively, have been synthesized from…”
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Synthesis and Crystal Structure Studies of Novel 4-Tosyloxychalcone Derivative by Shubhalaxmi, Geidner, B., Kumar, C. S. C., Fun, H.-K., Bhat, K. S.

“…4-Tosyloxychalcone derivative, C 23 H 20 O 4 S, was synthesized and characterized by infrared and 1 H NMR spectral studies. Grown crystal was further…”
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Synthesis, antityrosinase activity of curcumin analogues, and crystal structure of (1E,4E)-1,5-bis(4-ethoxyphenyl)penta-1,4-dien-3-one by Chantrapromma, S., Ruanwas, P., Boonnak, N., Chantrapromma, K., Fun, H.-K.

“…Five derivatives of curcumin analogue ( R = OCH 2 CH 3 ( 1 ), R = N(CH 3 ) 2 ( 2 ), R = 2,4,5-OCH 3 ( 3 ), R = 2,4,6-OCH 3 ( 4 ), and R = 3,4,5-OCH 3 ( 5 ))…”
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Highly Efficient and Simple Route to Synthesize N-(4-Acetylphenyl)-4-chlorobenzenesulfonamide and Its Crystal Structure by Kobkeatthawin, T., Chantrapromma, S., Chidan Kumar, C. S., Fun, H.-K.

“…The one-pot synthesis of N -(4-acetylphenyl)-4-chlorobenzenesulfonamide under base conditions is carried out. The present method offers several advantages such…”
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Synthesis, Characterization, and Crystal Structures of 4,6-Dimethoxy-2-hydroxy-3-methylbenzoic Acid and 2,4-Dimethoxy-6-hydroxy-3-methylbenzoic Acid by Chantrapromma, K., Chantrapromma, S., Suttirak, R., Ruanwas, P., Boonnak, N., Fun, H.-K.

“…A synthetic route involving 4,6-dimethoxy-2-hydroxy-3-methylbenzoic acid ( 10 ) and 2,4-dimethoxy-6-hydroxy-3-methylbenzoic acid ( 11 ) has been investigated…”
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Syntheses, EPR spectral studies and crystal structures of manganese(II) complexes of neutral N,N donor bidentate Schiff bases and azide/thiocyanate as coligand by Sasi, Sreesha, Sithambaresan, M., Kurup, M.R. Prathapachandra, Fun, H.-K.

“…Four manganese(II) complexes of three neutral N,N donor bidentate Schiff bases were synthesized and physico-chemically characterized. Two complexes were…”
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Density Functional Theory Study of Cyanoetheneselenol: A Molecule of Astrobiological Interest by Surajbali, P., Ramanah, D. Kodi, Rhyman, L., Alswaidan, I. A., Fun, H.-K., Somanah, R., Ramasami, P.

“…The interstellar medium has a rich chemistry which involves a wide variety of molecules. Of particular interest are molecules that have a link to prebiotic…”
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Ab initio studies on cyanoacetylenes of astrochemical interest: [Y(CC)CN, Y  C2H5, C3H7, C4H9, F, Cl, Br and CN] by Kodi Ramanah, D., Surajbali, P., Rhyman, L., Alswaidan, I.A., Fun, H.-K., Somanah, R., Ramasami, P.

“…•Structural and spectroscopic data of cyanoacetylenes were computed using theoretical methods.•Comparisons of these parameters with experiments indicate the…”
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Greenish-blue fluorescence of 6-(4-aminophenyl)-4-(4-methoxyphenyl)-2-methoxynicotinonitrile: Synthesis, spectroscopy, crystal structure, and fluorescence property by Suwunwong, T., Chantrapromma, S., Fun, H.-K.

“…The title compound, C 20 H 17 N 3 O 2 , was synthesized by the cyclization of a chalcone derivative with malononitrile, and was characterized by 1 H NMR and…”
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Synthesis, fluorescence, TGA and crystal structure of thiazolyl-pyrazolines derived from chalcones by Suwunwong, T., Chantrapromma, S., Fun, H.-K.

“…Thiazolyl-pyrazolines 3a–3d were synthesized in a three step procedure using chalcones as starting materials and characterized by FT-IR, UV-Vis, and 1 H NMR…”
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Synthesis, characterization, and crystal structure of sulfonamide chalcone: (E)-4-methoxy-N-(4-(3-(3,4,5-trimethoxyphenyl)acryloyl)phenyl)-benzenesulfonamide by Kobkeatthawin, T., Chantrapromma, S., Chidan Kumar, C. S., Fun, H.-K.

“…The title sulfonamide chalcone derivative was synthesized by condensation reaction of N -(4-acetylphenyl)-4-methoxybenzenesulfonamide and…”
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Synthesis and antibacterial properties of 4-bromobenzohydrazide derivatives and crystal structure of (E)-N′-((1H-indol-3-yl)methylene)-4-bromobenzohydrazide by Chantrapromma, S., Ruanwas, P., Noonot, T., Horkaew, J., Boonnak, N., Ghabbour, H. A., Fun, H.-K.

“…Six 4-bromobenzohydrazide derivatives ( 1–6 ) were synthesized by the condensation reaction of 4-bromobenzohydrazide and benzaldehydes, and evaluated for…”
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Synthesis and characterization of nickel(II) and copper(II) complexes of hexaaza macrocycle, 4-methyl-1,3,5,8,11,14-hexaazatricyclooctadecane by Sujatha, S., Balasubramanian, S., Fun, H.-K., Chinnakali, K.

“…Square-planar Ni(II) and Cu(II) complexes of macrotricyclic ligand 4-methyl-1,3,6,8,11,14-hexaazatricyclooctadecane (PCHA) have been synthesized from the…”
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Structural, optical and electrical properties of europium picrate tetraethylene glycol complex as emissive material for OLED by Kusrini, Eny, Saleh, Muhammad I., Adnan, Rohana, Yulizar, Yoki, Sha Shiong, Ng, Fun, H.K., Adhha Abdullah, M.A., Mamat, Mazidah, Za’aba, N.K., Abd. Majid, W.H.

“…A new europium complex [Eu(Pic) 2(H 2O)(EO4)](Pic)·0.75H 2O was synthesized and used as the emission material for the single layer device structure of…”
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Self-assembled macrocyclic molecular squares of Ni(II) derived from carbohydrazones and thiocarbohydrazones: Structural and magnetic studies by Manoj, E., Prathapachandra Kurup, M.R., Fun, H.-K., Punnoose, Alex

“…Four novel molecular square grids were achieved by self-assembly using the flexible ligands bis(di-2-pyridyl ketone) thiocarbohydrazone (H 2L 1),…”
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Synthesis and characterization of Cu(II), Ni(II) and Zn(II) metal complexes of bidentate NS isomeric Schiff bases derived from S-methyldithiocarbazate (SMDTC): bioactivity of the bidentate NS isomeric Schiff bases, some of their Cu(II), Ni(II) and Zn(II) complexes and the X-ray structure of the bis[ S-methyl-β- N-(2-furyl-methyl)methylenedithiocarbazato]zinc(II) complex by Tarafder, M.T.H, Chew, Kar-Beng, Crouse, Karen A, Ali, A.M, Yamin, B.M, Fun, H.-K

“…Two new isomeric Schiff bases, S-methyl-β- N-(2-furylmethyl)methylenedithiocarbazate (NS′) and S-methyl-β- N-(5-methyl-2-furyl)methylenedithiocarbazate (NS″)…”
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Synthesis, characterization and bio-activity of S-2-picolyldithiocarbazate (S2PDTC), some of its Schiff bases and their Ni(II) complexes and X-ray structure of S-2-picolyl-β- N-(2-acetylpyrrole)dithiocarbazate by Crouse, Karen A, Chew, Kar-Beng, Tarafder, M.T.H, Kasbollah, A, Ali, A.M, Yamin, B.M, Fun, H.-K

“…A new dithiocarbazate ligand, S-2-picolyldithiocarbazate (S2PDTC) was synthesized using 2-picolylchloride hydrochloride. Tridentate Schiff bases were prepared…”
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Formation of manganese(II) complexes of substituted thiosemicarbazones derived from 2-benzoylpyridine: Structural and spectroscopic studies by Sreekanth, A., Joseph, Marthakutty, Fun, H.-K., Kurup, M.R. Prathapachandra

“…Three manganese(II) complexes of 2-benzoylpyridine-3-tetramethyleneiminyl thiosemicarbazone (HBpypTsc), 2-benzoylpyridine N(4)-cyclohexyl thiosemicarbazone…”
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