| abstract |
A liquid detergent composition comprising certain beta-aminoalkylboronic acids (I) or esters (II) (see compound structure above) as protease inhibitors, protease, and detersive surfactant is presented, where R1, R2 and R3 are independent hydrogen or C1-C4 alkyl; X is aryl, substituted aryl or C1-C6 alkyl; y is selected from the group consisting of hydrogen, amine protecting group, and amino acid, dipeptide or tripeptide linked through the C-terminal carboxylic acid; n is 2-4. |