Research on antibacterial and antifungal agents. VIII. synthesis and antimicrobial activity of 1,4-diarylpyrroles
摘要:
The synthesis and the antimicrobial activity of 1,4-diarylpyrroles are reported. The obtained data in comparison with pyrrolnitrin show that many acid derivatives 4 exhibit a selective activity against some strains of Candida spp and poor activity against strains of Candida albicans. All ester derivatives 3 are inactive. The results obtained are discussed on the basis of structure-activity relationships.
cross-coupling reaction between α-amino carbonylcompounds and azoles by copper catalysis using di-tert-butyl peroxide (DTBP) as an oxidant is described. A diverse range of azoles undergo the dehydrogenative imidoylation smoothly with various α-amino carbonylcompounds for the exclusive formation of the corresponding N-imidoyl azoles in high yields under air. The synthetic method has the advantages of good
Cobalt-Catalyzed Oxidative Phosphonylation of α-Amino Acid Derivatives and α-Amino Ketones for α-Aminophosphonates
作者:Zhi-Qiang Zhu、Li-Jin Xiao、Dong Guo、Xu Chen、Jiu-Jian Ji、Xiao Zhu、Zong-Bo Xie、Zhang-Gao Le
DOI:10.1021/acs.joc.8b02680
日期:2019.1.4
A novel and efficient direct oxidative phosphonylation of α-amino ketones and α-amino acidderivatives with dialkyl phosphites by the catalysis of a cobalt salt under air is disclosed. A variety of α-amino ketones and α-amino acidderivatives underwent the reaction well with dialkyl phosphites to produce the desired α-aminophosphonates. This protocol not only provides an alternative synthetic route
Iron(III)-catalyzed synthesis of selenoesters from α-amino carbonyl derivatives at room temperature
作者:Rana Chatterjee、Anindita Mukherjee、Sougata Santra、Grigory V. Zyryanov、Adinath Majee
DOI:10.1016/j.tet.2019.130624
日期:2019.10
An Fe(III)-catalyzed efficient method has been developed for the synthesis of selenoester derivatives in high yields through the coupling of α-amino carbonyl/glycine derivatives and diselenides under ambient air. A library of benzoselenoate derivatives having a variety of substituents has been synthesized. A plausible reaction pathway has been predicted. Experimental results suggest that the reaction