Veratraldehyde → 1-Butyl-6-methyl-3-[3,4-dimethoxyphenyl]-1H-pyrimido[5,4-e][1,2,4]triazine-5,7-dione

Participants

Role	Name	HCID	Charge
Reactant	Veratraldehyde	HCID 8419	—
Reactant	1-Butyl-6-methyl-3-[3-phenoxyphenyl]-1H-pyrimido[5,4-e][1,2,4]triazine-5,7-dione	HCID 11741888	—
Product	1-Butyl-6-methyl-3-[3,4-dimethoxyphenyl]-1H-pyrimido[5,4-e][1,2,4]triazine-5,7-dione	HCID 9976475	—

Compound 21 is prepared, as described in 4, by reacting the hydrazine 20 (176 mg, 0.54 mmol) with 3,4-dimethoxybenzaldehyde (88 mg, 0.54 mmol).