drimentine a

Drimentine A, a terpenylated diketopiperazine antibiotic originally isolated from Actinomycete bacteria, exhibits activity against Gram-positive and Gram-negative bacteria, fungi, and yeast, and possesses anthelmintic properties.

Drimentine B is a terpenylated diketopiperazine antibiotic originally isolated from Actinomycete bacteria. It is active against Gram-positive and Gram-negative bacteria, fungi, and yeast, and possesses anthelmintic properties. Drimentine B inhibits the proliferation of NS-1 murine β lymphocyte myeloma cells by 41% and 59% in vitro at concentrations of 50 μg ml and 100 μg ml, respectively.

Drimentine C is a terpenylated diketopiperazine antibiotic, originally isolated from Actinomycete bacteria, that inhibits the proliferation of NS-1 murine β lymphocyte myeloma cells by 63% and 98% in vitro at concentrations of 12.5 and 100 μg ml, respectively.