Tributyltin azide → HCID 178462870, compound

Participants

Reaction Conditions

Reaction Steps

Tributyltin azide (660 μL, 2.41 mmol) was added to a flask charged with 2-amino-8-ethyl-4-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carbonitrile (0.184 g, 0.803 mmol) in anhydrous toluene (5.0 mL). The reaction was fitted with a reflux condenser and heated to 140° C. under a nitrogen atmosphere. After 20 h, the reaction was cooled to room temperature and the precipitate collected by vacuum filtration and washed with absolute ethanol to give 2-amino-8-ethyl-4-methyl-6-(1H-tetrazol-5-yl)pyrido[2,3-d]pyrimidin-7(8H)-one (98 mg, 45% yield) as a light brown solid: 1H NMR (400 MHz, 20% DCl in D2O): δ 6.97 (s, 1H), 2.42 (q, J=7.2 Hz, 2H), 0.953 (s, 3H), −0.73 (t, J=7.2 Hz, 3H); MS (EI) for C11H11N8O: 271.0 (MH+).

Provenance & Evidence