1384975-17-0Relevant articles and documents
Stereoselective annelation of 3-substituted imidazo[4,5-b]pyridines with cyanoacetylenic alcohols and domino rearrangement of the adducts
Trofimov, Boris A.,Andriyankova, Ludmila V.,Nikitina, Lina P.,Belyaeva, Kseniya V.,Mal'kina, Anastasiya G.,Dyachenko, Oleg A.,Kazheva, Olga N.,Chekhlov, Anatolii N.,Afonin, Andrei V.
, p. 229 - 244 (2012/06/01)
Imidazo[4,5-b]pyridines are readily annelated (45-50 °C, 24-30 h, MeCN) with cyanoacetylenic tertiary -αalcohols to give stereoselectively functionalized 1,3-oxazolo[3,2-a]imidazo[4,5-b]pyridines in 50-88% yields. The adducts undergo a facile stereoselective hydrolytic dominorearrangement to functionalized derivatives of 2,3-diaminopyridines. ARKAT-USA, Inc.