A Clean synthesis of spiro[indoline-3,9'-xanthene]trione derivatives.
A simple, clean and efficient method for the synthesis of spiro[indoline-3,9'-xanthene]trione derivatives and spiro[acenaphthene-1,9'-xanthene]-1',2,8'(2'H,5'H)-trione by condensation reaction of dimedone and isatins or acenaphthene in aqueous media is reported.
Ahadi
Somayeh
S
Department of Chemistry, Shahid Beheshti University, Tehran, Iran.
Khavasi
Hamid Reza
HR
Bazgir
Ayoob
A