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4H-1

1 (1 Naphthyl­sulfon­yl) 1a,2,6,6a tetra­hydro 1H,4H 1,3 dioxepino[5,6 b]azirine

1 (1 Naphthyl­sulfon­yl) 1a,2,6,6a tetra­hydro 1H,4H 1,3 dioxepino[5,6 b]azirine

... Following on from our studies of the design and synthesis of N-sulfonyl-1a,2,6,6a-tetrahydro-1H,4H-[1,3]dioxepino[5,6-b]- aziridines as potent antihyperglycaemics (Dumic´ et al., 1993, 1995; Filic´ et al., 1996; ...

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2,6 Di­methyl 4H 1 benzo­pyran 4 one

2,6 Di­methyl 4H 1 benzo­pyran 4 one

... 4±Benzopyrones (also known as chromen-4-ones or 4H-1- benzopyran-4-ones) have attracted considerable attention because of their presence in numerous natural products and synthetic drugs (e.g. in amlexanox; ...

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1 (Benzoyl­methyl) 4 (3,5 di­methyl 4H 1,2,4 triazol 4 yl) 3 (2 thienyl­methyl) 1H 1,2,4 triazol 5(4H) one

1 (Benzoyl­methyl) 4 (3,5 di­methyl 4H 1,2,4 triazol 4 yl) 3 (2 thienyl­methyl) 1H 1,2,4 triazol 5(4H) one

... and 1- acetyl-4-(p-chlorobenzylidenamino)-3-ethyl-4,5-dihydro-1H- 1,2,4-triazol-5-one (C ¸ oruh, Kahveci, S¸as¸maz, Ag˘ar, Kim & Erdo¨nmez, ...of ...

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5,7 Dimeth­­oxy 2 phenyl 4H 1 benzo­pyran 4 one chloro­form solvate

5,7 Dimeth­­oxy 2 phenyl 4H 1 benzo­pyran 4 one chloro­form solvate

... We have previously reported the crystal structures of three flavonoids, namely 5-hydroxy-3,7-dimethoxy-2-phenyl-4H-1- benzopyran-4-one (Fun et al., 2005), 3,5,7-trimethoxy-2- ...

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Syntheses, characterization and antimicrobial screening of some novel 3, 5 diaryl 4H 1, 2, 4 triazole derivatives

Syntheses, characterization and antimicrobial screening of some novel 3, 5 diaryl 4H 1, 2, 4 triazole derivatives

... of 1-propanol (50 mL); the reaction mixture was refluxed for a period of 30 ...from 1-propanol to afford the compound 4-amino-3, 5-diphenyl-4H-1, 2, 4-triazole (1) and was used directly ...

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3,5,7 Trimeth­­oxy 2 phenyl 4H 1 benzo­pyran 4 one

3,5,7 Trimeth­­oxy 2 phenyl 4H 1 benzo­pyran 4 one

... The title compound, (I), a flavone, is a secondary metabolite occurring in plants. Some flavones show antimycobacterial activity (Yenjai et al., 2004). We have previously reported the structure of the flavone, ...

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N (Naphthalen 1 yl­methyl­­idene) 4H 1,2,4 triazol 4 amine

N (Naphthalen 1 yl­methyl­­idene) 4H 1,2,4 triazol 4 amine

... Data collection: APEX2 Bruker, 2008; cell refinement: SAINT Bruker, 2008; data reduction: SAINT; programs used to solve structure: SHELXS97 Sheldrick, 2008; programs used to refine struc[r] ...

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Ethyl 3 methyl 1 oxo 4H 1,4 benzo­thia­zine 2 carboxyl­ate

Ethyl 3 methyl 1 oxo 4H 1,4 benzo­thia­zine 2 carboxyl­ate

... A mixture of dithiodianiline (5 g, 0.02 mol) and ethyl acetoacetate (5.3 g, 0.04 mol) was refluxed with stirring for 3 h. Absolute ethanol (10 ml) was added and stirring was continued at reflux for 1 h. On ...

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(±) Methyl 1 oxo 1H spiro­[benzo[c]pyran 3(4H),1′ cyclo­hexa­ne] 4 carboxyl­ate

(±) Methyl 1 oxo 1H spiro­[benzo[c]pyran 3(4H),1′ cyclo­hexa­ne] 4 carboxyl­ate

... The synthesis of (I) was reported by Bogdanov et al. (2007). Single crystals were obtained by slow evaporation from a chloroform– methanol (5:1 v/v) solution at room temperature. The 1 H NMR spectrum of (I) ...

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5 Hydr­­oxy 3,7 dimeth­­oxy 2 phenyl 4H 1 benzo­pyran 4 one

5 Hydr­­oxy 3,7 dimeth­­oxy 2 phenyl 4H 1 benzo­pyran 4 one

... The asymmetric unit of (I) contains two molecules, A and B, which have similar bond lengths and angles (Fig. 1). The bond lengths in (I) show normal values (Allen et al., 1987). The benzopyran-4-one (C7–C15/O1) ...

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Sythesis and biological evolution of trizole derivatives

Sythesis and biological evolution of trizole derivatives

... dihydro[1,2,4]triazolo[4,3-a]quinolines. Their anticonvulsant activities were evaluated by the maximal electroshock test (MES test) and their neurotoxicity was evaluated by the rotarod neurotoxicity test (Tox). MES test ...

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 PHYTOCONSTITUENTS PROFILE OF CLITORIA TERNATEA BY GC-MS AND ITS AGE-RELATED ANTICHOLINERGIC ACTIVITY AGAINST ALUMINUM AND RESTRAINT STRESS

 PHYTOCONSTITUENTS PROFILE OF CLITORIA TERNATEA BY GC-MS AND ITS AGE-RELATED ANTICHOLINERGIC ACTIVITY AGAINST ALUMINUM AND RESTRAINT STRESS

... like 4H-1-Benzopyran-4-one, 7- hydroxy-2-(4-hydroxyphenyl); Cyclopentaneundecanoic acid,- methyl ester; Phytol ; Methyl Isostearate; 12-Methyl-E, E-2,13- Octadecadien-1-ol; Cyclopropaneoctanoic acid, ...

7

Nonspecific immunoglobulin G is effective in preventing and treating cancer in mice

<p>Nonspecific immunoglobulin G is effective in preventing and treating cancer in mice</p>

... measured by a microplate reader (F, *P<0.05, **P<0.01). Culture supernatants of mouse macrophages treated with mIgG or BSA (control) were measured by mouse cytokine array analysis (G). The graph shows the relative ...

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Synthesis and Evaluation of Anticonvulsant Activity of 6,8 Dimethoxy 3 methyl 1,2,3,4 tetrahydroisoquinoline in PTZ Induced Seizure Model in Mice

Synthesis and Evaluation of Anticonvulsant Activity of 6,8 Dimethoxy 3 methyl 1,2,3,4 tetrahydroisoquinoline in PTZ Induced Seizure Model in Mice

... convulsant activity more potent than 1 and 2 [14]. According to the structure-activity relationship (SAR) studies, modification by substitute halogens (ex. Cl, Br) at 4’-position on phenyl ring appears to improve ...

6

4 Benzyl­­idene 2 di­ethyl­amino 1 phenyl 1H imidazol 5(4H) one

4 Benzyl­­idene 2 di­ethyl­amino 1 phenyl 1H imidazol 5(4H) one

... Derivatives of 4H-imidazol-4-ones have shown biological activity (Lacroix et al., 2000). Some 2-alkylaminoimidazolones exhibit good antibacterial and antifungal activities (Trivedi et al., 2002). Recently, in our ...

9

Exploitation of some raw minerals for Increasing productivity of ordinary portland cement.

Exploitation of some raw minerals for Increasing productivity of ordinary portland cement.

... N. M. Khalil et al [1] studied the effect of rice husk, barely husk and coal fly ashes on the cementing properties of portland cement. They could improve the characteristics of portland cement through addition of ...

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Hexa­aqua­zinc(II) bis­­[(4 oxo 4H pyridin 1 yl)­acetate] dihydrate

Hexa­aqua­zinc(II) bis­­[(4 oxo 4H pyridin 1 yl)­acetate] dihydrate

... (4-oxo-4H-pyridin-1-yl)acetic acid (58.40 g, 40 mmol). The pH was adjusted to 7 with 0.2 M NaOH solution. Colorless single crystals were obtained from the ®ltered solution over a period of several days. ...

7

4 Benzyl­­idene 1 phenyl 2 propyl­amino 1H imidazol 5(4H) one

4 Benzyl­­idene 1 phenyl 2 propyl­amino 1H imidazol 5(4H) one

... The molecular structure of (I) is shown in Fig. 1. The five- membered imidazolone ring is planar. Benzene ring C1–C6 is only slightly twisted with respect to this imidazolone ring, making a dihedral angle of 4.46 ...

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One-pot three-component synthesis of spirooxindoles catalyzed by nano Ag/kaolin

One-pot three-component synthesis of spirooxindoles catalyzed by nano Ag/kaolin

... (10mL) was stirred at reflux temperature. Upon completion instead of compilation, monitored by TLC (n-hexane/ethyl acetate: 2/1), the reaction mixture was allowed to cool to room temperature. The catalyst was ...

5

Summer Day/Night Gender Differences in Serum Total Antioxidant Capacity as a Methodological Pitfall in Human Antioxidant Research

Summer Day/Night Gender Differences in Serum Total Antioxidant Capacity as a Methodological Pitfall in Human Antioxidant Research

... Araujo, R. S.; Guerra, F. Q.; O Lima, E.; Simone, C. A.; Tavares, J. F.; Scotti, L.; Scotti, M. T.; Aquino, T. M.; Muora, R. O.; Mendonca, F. J.; Barbosa-Filho, J. M. (2013), Synthesis, structure-activity relationship ...

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