... Organic Process Research & Development. ... was performed under more dilute conditions (100−1000-fold), hence casting doubt on a bimolecular process. ... iminium salt intermediate 25 is suppressed, hence promoting alternative hydride transfer and hydrolysis processes to give ...
[Hayler, John D.; Howie, Simon L. B.; Giles, Robert G.; Negus, Alan; Oxley, Paul W.; Walsgrove, Timothy C.; Whiter Organic Process Research and Development, 1998 , vol. 2, # 1 p. 3 - 9]