96207-00-0Relevant academic research and scientific papers
THERMAL INTRAMOLECULAR CYCLIZATION OF 2-ETHYNYLPYRIDINE N-YLIDES TO INDOLIZINES AND CYCLAZINES
Tsuchiya, Takashi,Kato, Masanobu,Sashida, Haruki
, p. 4666 - 4669 (2007/10/02)
Treatment of 2-ethynyl-1-phenacylpyridinium bromides (1a-c), prepared from 2-ethynylpyridines and phenacyl bromide, with a base, DBU, in refluxing benzene gave 3-benzoylindolizines (2), whereas heating the salts (1) in refluxing acetic acid afforded 1-ben
