A synthesis of diketopiperazines using polyphosphoric acid.
D054659:Diketopiperazines; D010756:Phosphoric Acids; D010879:Piperazines; D011108:Polymers
D054659:Diketopiperazines; D010756:Phosphoric Acids; D010879:Piperazines; D011108:Polymers; C047269:polyphosphoric acid
PIPERAZINES