The Reductive Cleavage of Cyclic Aminol Ethers to N,N-Dialkylamino-derivatives: Modifications to the Eschweiler-Clarke Procedure - Bulman Page, Philip C; Heaney, Harry; Rassias, Gerasimos A; Reignier, Serge; Sampler, Edward P; Talib, Salem (Synlett, 2000)