299465-76-2Relevant academic research and scientific papers
Synthesis of 2-substituted chromenes via ring-closing metathesis and stable 1-benzopyrylium ions
Doodeman, Robin,Rutjes, Floris P. J. T.,Hiemstra, Henk
, p. 5979 - 5983 (2007/10/03)
2-Substituted chromenes were obtained via combination of ring-closing metathesis of allylic acetals to the corresponding cyclic acetals, followed by Lewis acid-mediated functionalization of the resulting stable 1- benzopyrylium ion with suitable nucleophiles. (C) 2000 Elsevier Science Ltd.
