3-(2,3,4-Trimethoxyphenyl)-2-propenoic acid → 1H-Purine-2,6-dione, 3,7-dihydro-1,3-diethyl-8-(2-(2,3,4-trimethoxyphenyl)ethenyl)-, (E)-

Participants

Reaction Steps

Substantially the same procedure as in Reference Example 70 was repeated using 2.5 g (12.6 mmol) of 5,6-diamino-1,3-diethyluracil and 2.3 g (13.9 mmol) of 2,3,4-trimethoxycinnamic acid. Then, the resultant crude crystals were recrystallized from dioxane/water to give 2.85 g (yield 57% of Compound 79 as white crystals.

Provenance & Evidence