Structure-Based Design, Synthesis, and Antifungal Activity of New Triazole Derivatives
摘要:
A series of new antifungal triazole derivatives with phenylacetamide side chain were rational designed and synthesized on the basis of the structural information of lanosterol 14‐demethylase (CYP51). In vitro antifungal activity assay indicated that several compounds showed higher activity than fluconazole. Especially, compound 8h showed excellent inhibitory activity against Candida albicans and Cryptococcus neoformans (MIC = 0.0156 μg/mL), suggesting that it is a promising lead for the development of novel antifungal agents. The binding mode of compound 8h was investigated by flexible molecular docking. It interacted with CACYP51 through hydrophobic and van der Waals interactions.
Structure-Based Design, Synthesis, and Antifungal Activity of New Triazole Derivatives
摘要:
A series of new antifungal triazole derivatives with phenylacetamide side chain were rational designed and synthesized on the basis of the structural information of lanosterol 14‐demethylase (CYP51). In vitro antifungal activity assay indicated that several compounds showed higher activity than fluconazole. Especially, compound 8h showed excellent inhibitory activity against Candida albicans and Cryptococcus neoformans (MIC = 0.0156 μg/mL), suggesting that it is a promising lead for the development of novel antifungal agents. The binding mode of compound 8h was investigated by flexible molecular docking. It interacted with CACYP51 through hydrophobic and van der Waals interactions.
Amidation of α-Amino Acids Using Dichloro(methyl)(3,3,3-trifluoropropyl)silane and Imidazole without Conventional Protection and Deprotection of α-Amino Group
Amidation of amino acids using dichloro(methyl)(3,3,3-trifluoropropyl)silane (MTFPSCl2) and imidazole is described. MTFPSCl2 activates the carboxy group and protects the α-aminogroup of amino acids. The amidation proceeded with 19 amino acids and 19 amines, including α-branched amines and anilines; the corresponding amino acid amides were synthesized in good-to-high yields (up to 96%) with low-to-no