t-Butylammonium fluoride → HCID 86753882, compound

Participants

Reaction Steps

A suspension of 1,2-dihydro-2-(trimethylsilylethynyl)-4-quinazolinamine hydrochloride (Example 24, 0.6 g, 2.14 mmol) in THF (30 ml) was treated with tert-butyl-ammonium fluoride (1.0M in THF, 2.36 ml) and stirred for 2 h. The mixture was evaporated and purified by flash chromatography on untreated neutral alumina eluting with 20% methanol/dichloromethane to give, after crystallisation with ethanol/ether, the product as a yellow powder (90 mg), m.p. 198°-200° C. (dec.).

Provenance & Evidence