title: Pyrazine derivatives; conversion of diketopiperazines into pyrazine derivatives; synthesis of 2-hydroxy-3: 6-disec.-butylpyrazine from isoleucine.
mesh_terms: D054659:Diketopiperazines; D007532:Isoleucine; D011719:Pyrazines
chemical_list: D054659:Diketopiperazines; D011719:Pyrazines; D007532:Isoleucine
keywords: PYRAZINE