42908-34-9Relevant academic research and scientific papers
Synthesis of pyridines and pyrazines using an intramolecular hydroamination-based reaction sequence
Rizk, Toni,Bilodeau, Eric J.-F.,Beauchemin, Andre M.
supporting information; experimental part, p. 8325 - 8327 (2010/01/16)
A management issue! Various pyridines and pyrazines can be efficiently accessed from simple acyclic precursors using an intramolecular hydroamination/isomerization/aromatization sequence (see scheme). ρ-Toluenesulfonic acid (2 mol%) is used to catalyze this novel alkyne annulation, in which the oxime group allows for a subsequent redoxneutral aromatization step to occur.
Intramolecular ene and related reactions, Part 9. Photochemically induced synthesis of allylsilane carbaldehydes
Tietze,Wunsch
, p. 985 - 990 (2007/10/02)
Allylsilane carbaldehydes are valuable substrates for the tandem Koevenagel allylsilane and iminium cyclization. They can easily be prepared by a photochemical α-cleavage of cyclic ketones bearing a trimethylsilylmethyl group in the α-position (Norrish Ty
