Water → 13beta-Ethyl-17beta-(undec-10-enoyloxy)-gon-4-en-3-one

Beteiligte Stoffe

Reaktionsschritte

Add undec-10-enoyl chloride (2 g.) in benzene (6 cc.) to 13β-ethyl-17β-hydroxy-gon-4-en-3-one (2 g.) in pyridine (6 cc.) at -15°. Keep the mixture at -10° for 17 hours, add to water and extract with benzene. Wash, dryand evaporate the extracts and recrystallize the residue from ethanol to obtain the title compound, m.p. 87°-88°; ultraviolet absorption peak at 240 mμ (ε17,000); infrared absorption peaks at 5.79, 6.00, 6.20 μ.

Herkunft & Nachweise