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Volumn 16, Issue 17, 2006, Pages 4483-4487

Design and synthesis of new water-soluble tetrazolide derivatives of celecoxib and rofecoxib as selective cyclooxygenase-2 (COX-2) inhibitors

Author keywords

Celecoxib; Cyclooxygenase (COX 2) inhibitors; Parecoxib; Parenteral; Tetrazole

Indexed keywords

4 (4 METHYLPHENYL) 1 [4 (5 TETRAZOLYL)PHENYL] 3 (TRIFLUOROMETHYL) 1H PYRAZOLE; 4 [4 (5 TETRAZOLYL)PHENYL] 3 PHENYL 2(5H) FURANONE; ARGININE; CARRAGEENAN; CELECOXIB; CELECOXIB DERIVATIVE; CYCLOOXYGENASE 2; CYCLOOXYGENASE 2 INHIBITOR; DICLOFENAC; ROFECOXIB; ROFECOXIB DERIVATIVE; TETRAZOLE DERIVATIVE; UNCLASSIFIED DRUG; WATER;

EID: 33746233248     PISSN: 0960894X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.bmcl.2006.06.032     Document Type: Article
Times cited : (36)

References (32)
  • 3
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  • 21
    • 33746219121 scopus 로고    scopus 로고
    • note
    • 6: C, 58.38; H, 3.54; N, 22.69. Found: C, 58.29; H, 3.69; N, 22.82.
  • 22
    • 33746262751 scopus 로고    scopus 로고
    • note
    • Docking studies were performed using MOE software version 2003.02 (CCG Inc.). The coordinates of the X-ray crystal structure of the selective COX-2 inhibitor SC-558 bound to the murine COX-2 enzyme were obtained from the RCSB Protein Data Bank (1cx2). The ligand molecules were constructed using the Builder module and were energy optimized. The purpose of docking is to search for favorable binding configuration between the small flexible ligands and the rigid protein. Protein residues with atoms greater than 7.5 Å from docking box were removed for efficiency. Searching is conducted within a specified 3D docking box using simulated annealing based on Monte Carlo method and MMFF94 molecular mechanics force fields for 8000 iterations.
  • 23
    • 33746219114 scopus 로고    scopus 로고
    • MOE. Chemical Computing Group Inc., Montreal, Que., Canada, 2003.02, see http://www.chemcomp.com.
  • 24
    • 33746267658 scopus 로고    scopus 로고
    • note
    • 23 The reaction mixture (200 μL) contained 0.5 μM heme, 0.05 mM TMPD, 0.1 mM AA, and 36 units of COX-2 enzyme (57 units for COX-1, Sigma Co.) in 0.1 M Tris/HCl (pH 8.1). The oxidation of substrate was measured at 25 °C by monitoring the increase of absorbance at 630 nm. The absorption due to the spontaneous oxidation of TMPD was subtracted from the initial rate of oxidation observed in the presence of AA. The inhibition of the studied compounds (9 and 13) was determined after preincubation for 5 min with the enzyme in the presence of heme, and the reaction was started by adding AA and TMPD. The mixture was incubated for further 5 min and the absorbance was measured on a strip reader. For synthesized compounds (9 and 13) 10 μL of scalar dilutions of the inhibitors in DMSO was added. Celecoxib, a potent and selective COX-2 inhibitor, has been used as a reference drug.
  • 29
    • 33746262745 scopus 로고    scopus 로고
    • note
    • 2O (5 mL). The percentage were calculated by the following equation: anti-inflammatory activity (%) = (1 - D/C) × 100, where D represents the difference in paw volume before and after drug was administered to the rats, and C stands for the difference of volume in the control groups.
  • 32
    • 33746219117 scopus 로고    scopus 로고
    • note
    • Equilibrium solubilities were obtained by adding solid compounds directly to an aqueous medium, followed by adding 1 equiv of KOH and stirring at room temperature for 24 h. Suspensions then were filtered and the remaining concentration in the solution was measured spectrophotometrically at 306 and 256 nm wavelengths for compounds 9 and 13, respectively.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.