Author/Authors :
Sِlter، نويسنده , , Susanne and Dieckmann، نويسنده , , Ralf and Blumenberg، نويسنده , , Martin and Francke، نويسنده , , Wittko، نويسنده ,
Abstract :
A new indole derivative representing a condensation product of 6-bromotryptophan and arginine is the major diketopiperazine produced by the sponge Geodia baretti. Strong evidence is provided that this compound represents the correct structure of barettin, which had been described earlier.
Keywords :
Diketopiperazine , barettin , Sponge , Geodia