85364-52-9Relevant academic research and scientific papers
Synthesis of Peri-fused Indolizines and Azaindolizines by Intramolecular 1,3-Dipolar Cycloaddition of 3-(Phenylpropynoyloxyalkyl)pyridine N-Ylides
Miki, Yasuyoshi,Uragi, Masumi,Takemura, Shoji,Ikeda, Masazumi
, p. 379 - 382 (2007/10/02)
Treatment of 3-(phenylpropynoyloxymethyl)-N-aminopyridium salt with potassium carbonate in methanol gave unexpectedly 4-methyl-2-phenylpyrazolopyridine and methyl 6- and 4-hydroxymethyl-2-phenylpyrazolopyridine-3-carboxylates.Similar treatme
INTRAMOLECULAR 1,3-DIPOLAR CYCLOADDITION OF 3-PHENYLPROPIOLOYLOXYALKYLPYRIDINIUM N-IMINES
Miki, Yasuyoshi,Konishi, Michiko,Nishikubo, Noriko,Yoshimaru, Toshihiko,Takemura, Shoji
, p. 201 - 203 (2007/10/02)
Treatment of N-aminopyridinium salt (3a) with base in methanol gave unexpected product (4) but the salts (3b,c) in acetonitrile yielded normal adducts with 7- or 8-membered lactone (6b,c).
