[2] Koboldt M, Talley JJ, Seibert K, et al. N-[[(5-Methyl-3-phenylisoxazol-4-yl)penyl]sulfonyl]propanamide, sodium salt, parecoxib sodium: A potent and selective inhibitor of COX-2 for parenteral administration [J]. J Med Chem, 2000, 43(5): 775-777.
[3] Letendre LJ, Kunda SA, Gallagher DJ, et al. Method for preparing valdecoxib and related benzenesulfonyl compounds: WO, 2003029230 [P]. 2003-04-10.(CA 2003, 138: 304268)
[4] Letendre LJ, Snoddy CK, Klemm George H, et al. Method for the preparation of diarylisoxazole sulfonamide compounds and intermediates: WO, 2005123701 [P]. 2005-12-29. (CA
2005，144: 88274)
[5] Di NL, Vitale P, Scilimati A, et al. Novel synthesis of 3,4-diarylisoxazole analogues of valdecoxib:reversal cyclooxygenase-2selectivity by sulfonamide group removal [J]. J Med Chem, 2004, 47(20): 4881-4890.
[6] Sundaram V, Bhimireddy A, Eswaraiah S, et al. A method for preparing 3,4-diphenylsubstituted isoxazole derivatives such as valdecoxib, parecoxib, and their intermediates: EP,
1550658 [P]. 2005-07-06.
[7] Thakashinamoorthy C, Jesudoss MG, Hariharasubramania M, et al. A novel process for preparing valdecoxib: WO, 2005085218 [P]. 2005-09-15. (CA 2005，145: 124547)
[9] Reddy AR, Goverdhan G, Sampath A, et al. Application of [3+2]-cycloaddition in the synthesis of valdecoxib [J]. Synth Commun, 2012, 42(5): 639-649.
[10] Kumar JS Dileep, Ho MM, Leung JM, et al. Convenient approach to 3,4-diarylisoxazoles based on the Suzuki crosscoupling reaction [J]. Advanced Synth Cat, 2002, 344(10):
1146-1151.
[11] Moore JE, Davies MW, Goodenough KM, et al. Investigation of the scope of a [3+2] cycloaddition approach to isoxazole boronic esters [J]. Tetrahedron, 2005, 61(28): 6707-6714.
[12] Waldo JP, Larock RC. The synthesis of highly substituted isoxazoles by electrophilic cyclization: an efficient synthesis of valdecoxib [J]. J Org Chem, 2007, 72(25): 9643-9647.
[13] Okitsu T, Sato K, Potewar TM, et al. Iodocyclization of hydroxylamine derivatives based on the control of oxidative aromatization leading to 2,5-dihydroisoxazoles and isoxazoles [J]. J Org Chem, 2011, 76(9): 3438-3449.
