BARC/PUB/2012/0556

 
 

An efficient KHSO4 catalyzed synthesis of xanthenes

 
     
 
Author(s)

Reddy, N. B.; Rao, K. U. M.; Sundar, C. S.; Nayak, S. K.; Reddy, C. S.
(BOD)

Source

Heterocyclic Communications, 2012. Vol. 18 (1): pp. 53-56

ABSTRACT

KHSO4 is an effi cient catalyst for the condensation of β-naphthol, aromatic aldehydes, and 5,5-dimethyl-1,3-cyclohexanedione at 100 °C to afford 9,9-dimethyl-12-phenyl-8, 10,11,12-tetrahydro-9 H -benzo[ a ]xanthen-11-one derivatives in 80 – 95 % yields.

 
 
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