... 1989, 111, 8036-8037 ... cleanly provided ester acetal 5 (90% from 4). Utilizing standard chemistry, 5 could be converted to aldehyde acetal 6, which as expected underwent epimerization to the more stable trans al- dehyde 3 on exposure to ... 0 1989 American Chemical Society ...
[Blades, Kevin; Butt, Afshan H.; Stuart Cockerill; Easterfield, Howard J.; Lequeux, Thierry P.; Percy, Jonathan M. Journal of the Chemical Society - Perkin Transactions 1, 1999 , # 24 p. 3609 - 3614]