diazaanthracene
nounEtymology From di- + aza- + anthracene.
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Chemistry, Natural sciences, Organic chemistry, Physical sciences Any of several isomeric tricyclic aromatic heterocycles derived from anthracene by replacement of two CH groups by nitrogen atoms
- Aldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich The annellation of the pyrimidine ring onto alicyclic alkenes has been achieved using Diels-Alder chemistry. 2,4-Dimethoxy-1,3-diazaanthracene (DDA) reacts with Smith’s diene under forcing thermal conditions (sealed tube at 180 °C) to form a mixture of stereoisomeric adducts which can be separated by fractional crystallization.