Twenty-one 2-(N-arylsulfonylindol-3-yl)-3-aryl-1,3-thiazolidin-4-ones (4a-u) were synthesized and evaluated
as HIV-1 inhibitors in vitro. Among all compounds, compounds 4n and 4p displayed the potent anti-HIV-1 activities with
EC50 values of 3.48 and 8.61 μg/mL, and TI values of 34.08 and 23.22, respectively. It demonstrated that, to a series of
2-(N-arylsulfonyl-6-methylindol-3-yl)-3-aryl-1,3-thiazolidin-4-one derivatives, introduction of R2 as 4-Cl and R3 as H or
3-Cl could afford the more promising and potent compounds.
Antifungal agents. Part 5: Synthesis and antifungal activities of aminoguanidine derivatives of N-arylsulfonyl-3-acylindoles
作者:Hui Xu、Yang-Yang Wang
DOI:10.1016/j.bmcl.2010.10.084
日期:2010.12
In order to discover more promising antifungalagents, a series of aminoguanidine derivatives of N-arylsulfonyl-3-acylindoles (5a–r) were prepared and evaluated in vitro for their antifungalactivities against seven phytopathogenic fungi. Especially compounds 5n and 5o exhibited more potent antifungalactivities than or comparable to hymexazol, a commercially available agricultural fungicide at the
An enantioselective intramolecular indole aminohydroxylation reaction is catalyzed by iron(II)–chiral bisoxazoline (BOX) complexes (ee up to 99%, dr > 20:1). This discovery enables expedient asymmetric synthesis of a series of biologically active 3-amino oxindoles and 3-amino indolanes.
An efficient aldol reaction of indole-3-carbaldehydes with ketones is described. O-TBS-protected l-threonine promoted the aldol addition of ketones to indole-3-carbaldehydes affording 3-indolylmethanols with good to excellent yields and diastereoselectivities, and excellent enantioselectivities.