Synthesis and structure-activity relationships of antibacterial phosphonopeptides incorporating (1-aminoethyl)phosphonic acid and (aminomethyl)phosphonic acid
摘要:
Phosphonodipeptides and phosphonooligopeptides based on L- and D-(1-aminoethyl)phosphonic acids L-Ala(P) and D-Ala(P) and (aminomethyl)phosphonic acid Gly(P) at the acid terminus have been synthesized and investigated as antibacterial agents, which owe their activity to the inhibition of bacterial cell-wall biosynthesis. A method for large-scale synthesis of the potent antibacterial agent L-Ala-L-Ala(P) (1, Alafosfalin) is described. Structure-activity relationships in the dipeptide series have been studied by systematic variation of structure 1. L stereochemistry is generally required for both components. Changes in the L-Ala(P) moiety mostly lead to loss of antibacterial activity, but the phosphonate analogues of L-phenylalanine, L-Phe(P), and L-serine, L-Ser(P), give rise to weakly active L-Ala-L-Phe(P) and L-Ala-L-Ser(P). Replacement of L-Ala in 1 by common and rare amino acids can give rise to more potent in vitro antibacterials such as L-Nva-L-Ala(P) (45). Synthetic variation of these more potent dipeptides leads to decreased activity. Phosphonooligopeptides such as (L-Ala)2-L-Ala(P) have a broader in vitro antibacterial spectrum than their phosphonodipeptide precursor, but this is not expressed in vivo, presumably due to rapid metabolism to 1. Stabilized compounds such as Sar-L-Nva-L-Nva-L-Ala(P) (46) have been developed that are more potent in vivo and have a broader in vivo antibacterial spectrum than the parent phosphonodipeptide.
A facile method for the preparation of both 2-pyrrolidinyl-substituted phosphinic acids and 1-aminoalkylphosphinic acids is described. Reaction of 1-pyrroline trimer or N-tritylalkanamine with bis(trimethylsilyl)phosphonite, followed by silylation with N,O-bis(trimethylsilyl)acetamide gives an intermediate which is used in a Michael addition reaction or an Arbuzov reaction.
Phosphonic acid and phosphinic acid tripeptides as inhibitors of glutathionylspermidine synthetase
作者:Christophe Verbruggen、Sofie De Craecker、Padinchare Rajan、Xian-Yun Jiao、Marianne Borloo、Keith Smith、Alan H. Fairlamb、Achiel Haemers
DOI:10.1016/0960-894x(96)00001-7
日期:1996.2
A series of phosphonic and phosphinic acid derivatives of glutathione were synthesized as potential inhibitors of glutathionylspermidine synthetase, an essential enzyme in the biosynthesis of trypanothione in trypanosomatids. The compounds showed moderate activity.
Maier, Ludwig, Phosphorus and Sulfur and the Related Elements, 1983, vol. 14, p. 295 - 322
作者:Maier, Ludwig
DOI:——
日期:——
CH624965
申请人:——
公开号:——
公开(公告)日:——
Oleksyszyn,J. et al., Polish Journal of Chemistry, 1979, vol. 53, p. 1347 - 1349