96206-86-9Relevant articles and documents
Thermal Rearrangements of Cyclic Amine Ylides. VIII. Intramolecular Cyclization of 2-Ethynylpyridine N-Ylides into Indolizines and Cyclazines
Sashida, Haruki,Kato, Masanobu,Tsuchiya, Takashi
, p. 3826 - 3832 (2007/10/02)
Treatment of 6-unsubstituted 2-ethynyl-1-phenacylpyridinium bromides (10a-c) with 1,5-diazabicycloundec-5-ene in refluxing benzene resulted in cyclization to give the 3-benzoyl-indolizines (11) via the N-ylide intermediates 13, whereas heating the