Triethylamine → HCID 18969238, compound

Participants

Reaction Steps

The product from Example 23, as the free base (0.330 g, 1 mmol) and triethylamine (0.15 mL, 1.05 mmol) were stirred in 10.0 mL tetrahydrofuran and cooled briefly in an ice bath. To the mixture was added dropwise trimethylacetyl chloride (0.12 mL, 1 mmol) and the resulting mixture was stirred 18 h at room temperature and filtered, and the filtrate was evaporated to 0.384 g oil. Crystallization as the oxalate salt from 2-propanol provided 0.297 g colorless crystals. Mp 194° C. Mass spectrum, m+ =413. Anal (C25H37N5O6) theory C, 59.63; H, 7.41; N, 13.91; found C, 59.47; H, 7.62; N, 13.63.

Provenance & Evidence