5,6-Diamino-1,3-diethyluracil → 1H-Purine-2,6-dione, 3,7-dihydro-1,3-diethyl-8-(2-(2,5-dimethylphenyl)ethenyl)-, (E)-, hydrate (2:1)

Participants

Reaction Steps

Substantially the same procedure as in Reference Example 70 was repeated using 3.00 g (15.1 mmol) of 5,6-diamino-1,3-diethyluracil and 3.20 g (18.2 mmol) of 2,5-dimethylcinnamic acid. Then, the resultant crude crystals were recrystallized from ethanol/toluene to give 2.56 g (yield 50%) of Compound 109 as white needles.

Provenance & Evidence