Synthesis and SAR of Some New 4 Substituted 3H-1,2,3,5-oxathiadiazole 2-Oxides as Antifungal Agents
作者:Jaiprakash Sangshetti、Devanand Shinde
DOI:10.2174/157018010790596696
日期:2010.3.1
A new series of 4-substituted 3H-1,2,3,5-oxathiadiazole 2-oxides bearing 1,2,3 triazole and piperidine ring has been synthesized in one step from amidoxime using thionyl chloride (SOCl2) and Triethylamine (TEA). All the synthesized compounds (10a-10l) are new and evaluated for their in vitro antifungal activities using standard agar plate method. SAR for the series has been developed by comparing their MIC values with miconazole and fluconazole. Compound 10j from the series was equipotent with miconazole against C. albicans and F. oxysporum whereas activity of compound 10i was comparable to miconazole against F. oxysporum and C.neoformans (MIC-30 μg/mL).
合成了一系列新的4-取代3H-1,2,3,5-噁二唑-2-氧化物,这些化合物包含1,2,3-三唑和哌啶环,采用氯化亚砜(SOCl2)和三乙胺(TEA)在一步反应中从氨基腙氧肟酸合成。所有合成的化合物(10a-10l)都是新化合物,并通过标准琼脂平板法评估了其体外抗真菌活性。通过将它们的最小抑制浓度(MIC)值与米康唑和氟康唑进行比较,开发了系列的SAR。系列中的化合物10j在对抗白色念珠菌(C. albicans)和福氏酵母菌(F. oxysporum)时与米康唑具有相同的效力,而化合物10i在对抗福氏酵母菌和新型隐球菌(C.neoformans)时,其活性与米康唑相当(MIC-30 μg/mL)。