Ammonia → HCID 22288477, compound

Participants

Reaction Steps

Ammonia solution (14 ml, 0.5 M in dioxane) was added dropwise to a solution of the product of example 2, step (c) (2.0 g) and diisopropylethylamine (3.31 ml) in THF (100 ml) over a 1 h period at RT. After stirring for a further 1 h the reaction was concentrated in vacuo onto silica and purified by column chromatography using 9:1 then 4:1 isohexane/ethyl acetate as eluent to yield the subtitled product as a yellow solid (980 mg, 52%).

Provenance & Evidence