Pyrophosphoric acid → HCID 178435170, compound

Participants

Reaction Steps

10.61 g of 11-bromoundecanoic acid, 1.86 g of ferrocene, and 50 g of pyrophosphoric acid were added and stirred while heating at 50° to 60 ° C. for 5 hours, and then poured into water, made to be basic with sodium hydroxide, subjected to extraction with methylene chloride, and dried. Then, the unreacted ferrocene was removed with column chromatography, to obtain 4.00 g of 10 -bromoundecanylferrocenyl ketone represented by the formula (C) in a yield of 92.3%. The proton nuclear magnetic resonance (1H--NMR) spectrum of the product was shown in FIG. 3. The result showed that the resulting product was the desired compound (10-bromoundecanylferrocenyl ketone). ##STR10##

Provenance & Evidence