SR142948A → HCID 70244556, compound

Participants

Reaction Conditions

Reaction Steps

A solution of 0.15 g of the compound obtained in EXAMPLE 1' and 0.03 g of potassium tert-butylate in 6.5 ml of 2-propanol is left overnight at RT and then concentrated under vacuum. The residue is dissolved in 0.5 ml of MeOH, and this solution is poured into 25 ml of isopropyl ether cooled to -20° C. The precipitate formed is drained and dried over P2O5 at 80° C. 0.09 g of the expected product is obtained, m.p.=222° C.

Provenance & Evidence