34595-24-9Relevant academic research and scientific papers
Preparation of aminals in water
Jur?ík, Václav,Wilhelm, René
, p. 3205 - 3210 (2007/10/03)
Aminals, which are used as protecting groups in syntheses and are part of many biologically active compounds, are normally prepared from aldehydes and diamines under conditions that remove water in order to shift the equilibrium to the side of the aminal.
Formic Acid Reduction. XXVIII. Kinetic Studies on the Formic Acid Reduction of 1,1'-Benzylidenedipiperidine
Fukawa, Hidemichi,Suzuki, Kunio,Sekiya, Minoru
, p. 2868 - 2873 (2007/10/02)
The formic acid reduction of 1,1'-benzylidenedipiperidine (1) was kinetically investigated by the carbon dioxide trapping method.Rate data gave the rate equation, v=kobs.The initial mono- and diprotonation of 1 occur in equilibrium, and monoprotonated form is proposed to be an intermediate for the reduction to 1-benzylpiperidine.The isotope effect value (2.69) and the negative ρ substituent effect (similar to that of the formic acid reduction of N-benzylideneaniline) suggest that the reduction of 1 involves the same intermediate step of decarboxylation of the formic acid ester of the α-amino alcohol.
