[PDF] Top 20 5 Hydroxy 3,7 dimethoxy 2 phenyl 4H 1 benzopyran 4 one
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5 Hydroxy 3,7 dimethoxy 2 phenyl 4H 1 benzopyran 4 one
... C6B 0.24589 (6) 0.21596 (14) −0.06753 (5) 0.01517 (17) C7B 0.28274 (5) 0.17801 (14) 0.00927 (5) 0.01444 (17) C8B 0.25188 (6) 0.14633 (15) 0.05595 (5) 0.01534 (17) C9B 0.29717 (6) 0.10636 (14) ... See full document
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4 [(2 Hydroxyphenylamino)phenylmethylene] 5 methyl 2 phenyl 2H pyrazol 3(4H) one
... Fig. 1. The compound was prepared from the reaction of 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone (PMBP) and o-aminophenol, forming this tridentate ...(Table 1) lie between ... See full document
9
5 Hydroxy 7 methoxy 2 (4 methoxyphenyl) 4H 1 benzopyran 4 one
... (Fig. 1) show normal values (Allen et ...in 5-hydroxy-3,7-dimethoxy-2-phenyl-4H-1-benzo- pyran-4-one, (II) (Fun et ...3,5,7-trimethoxy-2- ... See full document
14
5 Hydroxy 2 methyl 4H pyran 4 one
... (Table 1), the molecules are dimerized with central four-membered [O···H···O···H] ring, ...(Fig. 2). The dimers are linked to each other through H-bond between CH 3 and hydroxy ... See full document
6
Ethyl 6 amino 5 cyano 2 methyl 4 phenyl 4H pyran 3 carboxylate
... 2-Aminopyran derivatives are often used in cosmetics and pigments, and utilized as potentially biodegradable agro- chemicals (Morinaka & Takahashi, 1977; Witte et al., 1986; Hafez et al., 1987). There are ... See full document
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Crystal structures of two 4H chromene derivatives: 2 amino 3 cyano 4 (3,4 dichlorophenyl) 7 hydroxy 4H benzo[1,2 b]pyran 1,4 dioxane monosolvate and 2 amino 3 cyano 4 (2,6 dichlorophenyl) 7 hydroxy 4H benzo[1,2 b]pyran
... For both structures, data collection: APEX3 (Bruker, 2018); cell refinement: APEX3 and SAINT (Bruker, 2018); data reduction: SAINT and XPREP (Bruker, 2018); program(s) used to solve structure: SHELXT2014/5 ... See full document
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(Z) 3 Methyl 4 [1 (4 methylanilino)propylidene] 1 phenyl 1H pyrazol 5(4H) one
... the phenyl (C6-C11) and methyl-substituted benzene (C12-C17) ...the phenyl and benzene rings is ...code: 1 - x,1 - y,1 - z] (see ... See full document
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4 [(2 Benzoyl 4 chlorophenyl)diazenyl] 3 methyl 1 phenyl 1H pyrazol 5(4H) one
... 2-Amino-5-chlorobenzophenone (2.32 g, 0.01 mol) was suspended in strong hydrochloric acid (20 ml, pH ca. 5) at 273 K. A solution of sodium nitrite (0.69 g in 15 ml water) was added. Following the ... See full document
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Methyl 6 amino 5 cyano 2 methoxycarbonylmethyl 4 phenyl 4H pyran 3 carboxylate
... O1 0.0351 (5) 0.0316 (5) 0.0559 (6) −0.0019 (4) −0.0016 (4) −0.0100 (4) O2 0.0395 (6) 0.0531 (7) 0.0992 (10) −0.0033 (5) −0.0083 (6) −0.0295 (7) O3 0.0497 (6) ... See full document
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3 Hydroxy 6 methyl 2 [4 (3 trifluoromethylphenyl)piperazin 1 ylmethyl] 4H pyran 4 one
... (2-methyl-3-hydroxy- 4H-pyran-4-one) has been reported as belonging to a group of compounds found to have anticonvulsant activity (Kimura et ...after 4 h and at a dose of ... See full document
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4 {[1 (Methoxycarbonyl) 3 (methylsulfanyl)propylamino](phenyl)methylidene}3 methyl 1 phenylpyrazol 5(4H) one
... 2H-pyrazol-4-ylidene](phenyl)methylamino}-1,5-dimethyl-2- phenyl-1H-pyrazol-3(2H)-one (Wang et ...(Table 1) lie between classical single- and double-bond lengths, ... See full document
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(4Z) 4 [(4 Fluorobenzylamino)(phenyl)methylene] 3 methyl 1 phenyl 1H pyrazol 5(4H) one
... 1-Phenyl-3-methyl-4-benzoylpyrazolon-5-one (HPMBP), an effective -diketonate, is widely used and well known for its extractive ability. In recent years, it and its metal ... See full document
9
4 [(Z) (4 Methoxyanilino)phenylmethylene] 5 methyl 2 phenyl 2H pyrazol 3(4H) one
... of 4-[(Z)-(2-aryl- amino)phenylmethylene]-5-methyl-2-phenyl-2H-pyrazol-3- ones, which are readily synthesized by condensing 4-benzoyl- ... See full document
7
4 (4 Fluorophenyl) 2 methyl 3 (1 oxy 4 pyridyl)isoxazol 5(2H) one
... Data collection: CAD-4 Software (Enraf–Nonius, 1989); cell refinement: CAD-4 Software; data reduction: CORINC (Dra¨ger & Gattow, 1971); program(s) used to solve structure: SIR92 (Altomare et al., 1994); ... See full document
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Crystal structure of 4 [(3 methylbut 3 enoyl)oxy]phenyl 4 n hexyloxybenzoate
... The crystal packing of the title compound is shown in Fig. 3. Both aforementioned features of mesogenic compound crystal packing are lacking in the compound. An analysis of the intermolecular distances of the ... See full document
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4 Benzylidene 1 phenyl 2 propylamino 1H imidazol 5(4H) one
... C1 0.0673 (11) 0.0729 (13) 0.0658 (12) −0.0013 (10) 0.0212 (9) −0.0164 (10) C2 0.0681 (12) 0.0872 (16) 0.0853 (16) 0.0046 (11) 0.0244 (11) −0.0331 (13) C3 0.0557 (11) 0.0741 (14) 0.0994 (17) 0.0132 (9) −0.0013 (10) ... See full document
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(±) Methyl 1 oxo 1H spiro[benzo[c]pyran 3(4H),1′ cyclohexane] 4 carboxylate
... As part of a systematic study of the synthesis of new hetero- cyclic compounds with expected pharmacological activities carried out in our laboratory (Bogdanov & Palamareva, 2004; Burdzhiev & Stanoeva, 2006; ... See full document
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(Z) 4 [(2 Amino 4,5 dichloroanilino)(phenyl)methylidene] 3 methyl 1 phenyl 1H pyrazol 5(4H) one
... the three benzene rings. The secondary amino group is involved in an intramolecular N—H O hydrogen bond. In the crystal, molecules are linked by pairs of N—H O hydrogen bonds, forming inversion dimers. An offset stacking ... See full document
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Synthesis and Biological Evaluation of 3-[(2-Phenyl Methylidene) Hydrazono]-1, 3-Dihydro-2h-Benzo[G]Indol-2- One Derivatives.
... The SDA medium was sterilized by autoclaving at 121ºC (15 lb/sq.inch) for 15 min. the Petri-plates were sterilized in hot-air oven at 160º C for an hour. Into each sterilized Petri-plate about 27 ml of molten SDA medium ... See full document
148
Ethyl 2 amino 4 phenyl 4H benzo[h]chromene 3 carboxylate
... (Fig. 1), all bond lengths and angles (Table 1) are ...(Table 2) defines the orientation of carboxylate ...(Table 2) link the molecules into centrosymmetric dimers ... See full document
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