84355-19-1Relevant academic research and scientific papers
FACILE SYNTHESIS OF 4-SUBSTITUTED PYRIDINES USING GRIGNARD REAGENTS
Akiba, Kin-ya,Iseki, Yuji,Wada, Makoto
, p. 3935 - 3936 (2007/10/02)
N-t-Butyldimethylsilylpyridinium triflate (2) reacted with Grignard reagents at 4-position with almost complete regioselectivity (99percent) to afford the corresponding 1,4-dihydropyridine derivatives (3), which are easily oxidized by oxygen to give 4-substituted pyridines (4: 58-70percent).
