[PDF] Top 20 Crystal structure of (7 fluoro 2 oxo 2H chromen 4 yl)methyl morpholine 4 carbodithioate
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Crystal structure of (7 fluoro 2 oxo 2H chromen 4 yl)methyl morpholine 4 carbodithioate
... Geometry . All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of ... See full document
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Crystal structure of (6 bromo 2 oxo 2H chromen 4 yl)methyl morpholine 4 carbodithioate
... For biological applications of coumarins and dithio- carbamates, see: D’hooghe & De Kimpe (2006); Hesse & Kirsch (2002); Jung et al. (2001, 2004); Lee et al. (1998); Melagraki et al. (2009); Scho¨nenberger & ... See full document
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Crystal structure of (7 chloro 2 oxo 2H chromen 4 yl)methyl N,N dimethylcarbamodithioate
... Geometry . All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of ... See full document
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Crystal structure of (7 methyl 2 oxo 2H chromen 4 yl)methyl piperidine 1 carbodithioate
... solve structure: SHELXS2014 (Sheldrick, 2008); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material ... See full document
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(7 Chloro 2 oxo 2H chromen 4 yl)methyl pyrrolidine 1 carbodithioate
... The authors acknowledge the Universities Sophisticated Instrumental Centre, Karnatak University, Dharwad, for CCD X-ray facilities, single-crystal X-ray diffractometer, GCMS, IR, CHNS and NMR data. NMM is grateful ... See full document
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(6 Methoxy 2 oxo 2H chromen 4 yl)methyl piperidine 1 carbodithioate
... of atoms in the 2H-chromene ring system is 0.0097 (14) A ˚ and the piperidine ring adopts a chair conformation. The dihedral angle between the 2H-chromene ring and the piperidine ring (all atoms) is 87.59 ... See full document
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(7 Chloro 2 oxo 2H chromen 4 yl)methyl diethylcarbamodithioate
... For biological applications of coumarins and dithio- carbamates, see: Abd Elhafez et al. (2003); Basanagouda et al. (2009); Borges et al. (2009); Bottomeley et al. (1985); Emma- nuel-Giota et al. (2001); Hamdi & ... See full document
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(6 Methoxy 2 oxo 2H chromen 4 yl)methyl morpholine 4 carbodithioate
... S2 0.0298 (2) 0.0622 (3) 0.0451 (2) −0.01602 (17) −0.00144 (16) −0.00997 (18) O3 0.0470 (6) 0.0347 (5) 0.0383 (5) −0.0103 (4) −0.0010 (4) −0.0142 (4) O4 0.0665 (8) 0.0560 (7) ... See full document
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Crystal structure of 4 methyl 2 oxo 2H chromen 7 yl ferrocenecarboxylate
... ferrocenyl moiety and a 4-methylcoumarin group linked through an ester unit to one of the cyclopentadienyl (Cp) rings. The two Cp rings are virually parallel, with an angle between the two least-squares planes of ... See full document
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The crystal structures of two new coumarin derivatives: 2 (4 {2 [(2 oxo 2H chromen 4 yl)oxy]acetyl}piperazin 1 yl)acetamide and N (2,4 dimethoxybenzyl) 2 [(2 oxo 2H chromen 4 yl)oxy]acetamide
... Compound (II) N,N-Diisopropylethylamine (DIPEA; 1.82 g, 3.1 equiv.) was added to a mixture of 2-(2-oxo-2H- chromen-4-yloxy)acetic acid (1.0 g, 1.0 equiv.), 1-ethyl-3-(3- ... See full document
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Crystal structure of (2E) N methyl 2 [(4 oxo 4H chromen 3 yl)methylidene]hydrazinecarbothioamide
... Geometry . All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of ... See full document
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Coumarins via knoevenagel condensation reaction (KCR) and pechmann condesation reaction
... dan 7-(dietilamino)-3-(1-oksobutil)kumarin merupakan sebatian yang telah disintensis melalui tindak balas kondensasi Knoevenagel (KCR) antara salisilaldehid atau 4-(dietilamino)salisilaldehid dengan etil ... See full document
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Potassium (4 methyl 2 oxo 2H chromen 7 yloxy)sulfate
... potassium 4-methylumbelliferone sulfate or potassium 7-hydroxy-4-methylcoumarin sulfate, is commonly used as a substrate in various biochemical pathways in living cells involving sulfate esters (Tan ... See full document
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Crystal structure of 7 [(2E) 2 benzylidene 3 oxobutoxy] 4 methyl 2H chromen 2 one
... C35 0.0454 (7) 0.0492 (7) 0.0348 (6) 0.0043 (6) −0.0035 (5) −0.0045 (5) C36 0.0536 (9) 0.0573 (9) 0.0480 (8) 0.0108 (7) 0.0037 (7) −0.0078 (6) C37 0.0534 (8) 0.0515 (8) 0.0526 (8) 0.0113 ... See full document
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4 (7 Acetoxy 6 methoxy 4 methyl 2 oxo 2H chromen 3 yl)phenyl acetate
... Geometry . All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of ... See full document
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Crystal structure of 2 oxo 2H chromen 3 yl propanoate
... loops, which lie in a chain running along the c axis direction (Fig. 2). Weak aromatic – stacking interactions of 3.7956 (8) A ˚ (Janiak, 2000) are present between the coumarin pyran ring (centroid Cg1) and ... See full document
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Ethyl (4 {[(diethylcarbamothioyl)sulfanyl]methyl} 2 oxo 2H chromen 7 yl)carbamate
... solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for ... See full document
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Crystal structure of 4 (pyrazin 2 yl)morpholine
... saltone; 2 mol%, ...of 2-chloropyrazine ...for 4 h and progress of the reaction was monitored by ...mounted crystal was a block cut from a large ... See full document
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Synthesis and Biological Evaluation of 4 Methyl 6 Nitro 2 Oxo 2H Chromen 7 yl 2 (4 (4 Sustitutedphenyl)Thiazol 2 ylamino)Acetates
... studies. 4-Phenyl-thiazol-2-ylamine (2a-j) condensed with 4-Methyl-6-nitro-2-oxo-2H-chromen-7-yl chloroacetate (VI) to afford ... See full document
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Crystal and Molecular Structure of N [2 (6 Methoxy 2 oxo 2H Chromen 4 yl Benzofuran 3 yl] Benzamide
... Chemical structure of the title compound is shown in Figure 1. Molecular structure of the compound showing the atomic numbering scheme is shown in Fig- ure ... See full document
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