Croatica Chemica Acta, Vol. 84 No. 1, 2011.
Kratko priopćenje
https://doi.org/10.5562/cca1725
Synthesis of Aza Coumarines by Nucleophilic Addition of Acetylenic Esters Catalysed by Ph3P
Bita Mohtat
; Chemistry Department, Islamic Azad University, Karaj Branch, Karaj, Iran
Issa Yavari
; Chemistry Department, Islamic Azad University, Science and Research Branch, Tehran, Iran
Roza E. Ameri
; Chemistry Department, Islamic Azad University, Karaj Branch, Karaj, Iran
Elnaz Salahi
; Chemistry Department, Islamic Azad University, Karaj Branch, Karaj, Iran
Sažetak
3-Hydroxypyridine undergoes a smooth reaction with dialkyl acetylenedicarboxylates in the presence of triphenylphosphine to produce alkyl 2-oxo-2H-pyrano[3,2-b]pyridine-4-carboxylate and dialkyl -2-[4-(alkoxycarbonyl)-2-oxo-2-H-pyrano[3,2-b]pyridin-6-yl]-2-butenedioate in high yields. (doi: 10.5562/cca1725)
Ključne riječi
3-hydroxypyridine; coumarine; triphenylphosphine; acetylenic ester; coumarine
Hrčak ID:
69714
URI
Datum izdavanja:
30.5.2011.
Posjeta: 1.888 *