Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Kiran Phatangare"'
Publikováno v:
Journal of Saudi Chemical Society, Vol 19, Iss 1, Pp 42-45 (2015)
4-Hydroxy coumarin on electrophilic substitution reaction with carbonyl compound in the presence of heterogeneous catalysts (NaHSO4·SiO2/Indion 190 resin) offers bis-(4-hydroxycoumarin-3-yl) methanes in good to excellent yields.
Externí odkaz:
https://doaj.org/article/cd915cc0879649ce9c96922198eaa33a
Publikováno v:
Current Chemistry Letters, Vol 1, Iss 3, Pp 133-138 (2012)
A brønsted acid-surfactant catalysed and simple, mild, metal catalyst free and chemo-selective method has been developed for synthesis of 1, 3, 5-triaryl benzenes from aryl methyl ketones. The advantages of this protocol subsume green and sustainabl
Externí odkaz:
https://doaj.org/article/3511420acc5d4df88a625e3d12337406
Publikováno v:
Journal of the Serbian Chemical Society, Vol 76, Iss 1, Pp 21-26 (2011)
A phosphomolybdic acid catalysed novel method for the synthesis of 1,2-dihydro-1-aryl-3H-naphth[1,2-e][1,3]oxazin-3-one derivatives by a one-pot, three-component reaction of β-naphthol, aromatic aldehydes and urea in excellent yields is described.
Externí odkaz:
https://doaj.org/article/6891b337fad747ae9de103593d49d393