Preparation and Chemical Properties of 5-Dialkylaminomethylhydantoins and 2-Thio-Analogues
作者:Fumiko Fujisaki、Kaori Shoji、Kunihiro Sumoto
DOI:10.1248/cpb.57.1415
日期:——
efficient procedure for the preparation of 5-dialkylaminomethylhydantoins 3, which are easily obtained from cyclization of the corresponding urea derivatives 2 starting with beta-aminoalanines 1, is described. Methylenehydantoin and the corresponding 2-thio analogue (4a, 4b) were obtained fromhydantoins 3a and 3b, respectively. Some new chemical properties of these hydantoin derivatives are reported
To find new antibacterial leads in the class of hydantoin derivatives, we carried out synthetic investigation and biological evaluation of the title hydantoin derivatives and related compounds. Among the hydantoin derivatives described in this article, compound 3o, in which a 2,6-dichlorophenyl ring was introduced at the N-3 position of the hydantoin nucleus, showed the highest levels of antibacterial activity against both Escherichia coli NBRC14237 (NIHJ) and Staphylococcus aureus ATCC6538P (gram-negative and gram-positive bacteria, respectively) strains.