Amino acid derivatives useful for deactivating enzymes
申请人:Board of Trustees of
Wichita State University
公开号:EP0209855A2
公开(公告)日:1987-01-28
Certain amino-acid derivatives having three or four carbon straight alkyl chains are disclosed as effective inhibitors of human leukocyte elastase and therefore useful in preventing the imbalance of this proteolytic enzyme in vivo. The compounds specifically are L-valine, L-norvaline, L-norleucine, and L-methionine methyl ester azolides and sulfonate salts, and these compounds plus L-leucine and L-phenylalanine methyl ester sulfonate salts. The sulfonate salts were found to be excellent inhibitors in that they embody both inhibitory and anti-oxidant activity.
Amino acid derived latent isocyanates: irreversible inactivation of porcine pancreatic elastase and human leukocyte elastase
作者:William C. Groutas、William R. Abrams、Michael C. Theodorakis、Annette M. Kasper、Steven A. Rude、Robert C. Badger、Timothy D. Ocain、Kevin E. Miller、Min K. Moi
DOI:10.1021/jm00380a010
日期:1985.2
were found to inhibitirreversibly both enzymes. Compound 10 was found to be a specific and selective inhibitor of human leukocyte elastase. In contrast to these, inhibitorsderivedfrom glycine methyl ester 1, D-valine methyl ester 4, and D-norvaline methyl ester 6 were found to be inactive. The results of the present study show that latent isocyanates derivedfrom appropriate aminoacids can serve as