Article citationsMore>>

M. I. Naumov, S. A. Sutirin, A. S. Shavyrin, O. G. Ganina, I. P. Beletskaya, V. B. Rey, S. Combes, J. P. Finet and A. Y. Fedorov, “Cascade Synthesis of Polyoxygen- ated 6H,11H-[2]Benzopyrano-[4,3-c][1]benzopyran-11- ones,” Journal of Organic Chemistry, 2007, Vol. 72, No. 9, pp. 3293-3301. doi:10.1021/jo062592v

has been cited by the following article:

• TITLE: SO42-/SnO2-Catalyzed C3-alkylation of 4-hydroxycoumarin with secondary benzyl alcohols and O-alkylation with O-acetyl compounds

  AUTHORS: Venugopalarao Narayana, Ravi Varala, Pudukulathan Zubaidha

  KEYWORDS: C-C and C-O bond formations, Sulfated tin oxide (STO), reusability, 4-Hydroxy coumarin, secondary benzyl alcohol, secondary benzyl O-acetate

  JOURNAL NAME: International Journal of Organic Chemistry, Vol.2 No.3A, October 3, 2012

  ABSTRACT: Sulfated tin oxide (STO) has been found to be an efficient reusable solid superacid catalyst for C3-alkylation and O-alkylation of 4-hydroxycoumarins with benzylic, allylic alcohols/and corresponding acetates respectively, in acetic acid under reflux conditions with good yield of products.