Imidazole → HCID 20541537, compound

Participants

Reaction Steps

To a stirred mixture of 8.5 grams of 7-chloro-4-hydroxy-4-trimethylsilylethynyl-1-heptyne (Example 29) and 6.2 grams of imidazole in 24 ml. of dry dimethylformamide is added, under nitrogen, 5.7 ml. of chlorotrimethylsilane, in a slow stream, via a syringe. The mixture is stirred in an ice bath for one hour and then at room temperature overnight. The mixture is poured into hexane, washed with saturated sodium bicarbonate solution, water and then brine and dried over sodium sulfate. The solvents are evaporated to dryness yielding the desired product.

Provenance & Evidence