13274-43-6

4-METHYL-1,2,4-TRIAZOLINE-3,5-DIONE is a dienophile used in the partial elucidation of Trichogramma putative sex pheromone at trace levels.

The Journal of Organic Chemistry, 31, p. 3444, 1966 DOI: 10.1021/jo01348a532
Synthetic Communications, 17, p. 409, 1987 DOI: 10.1080/00397918708063918

MTAD is obtained as pink needles by sublimation at 40-50o/0.1mm (see 4-phenyl-1,2,4-triazoline-3,5-dione, PTAD below). [Cookson et al. Org Synth 51 121 1971, Cheng et al. J Org Chem 49 2910 1984, Beilstein 26 III/IV 538.]