Study of multicomponent synthesis of 7-alkyl or aryl-6H,7H-benzo[f]chromeno[4,3-b] chromen-6-ones involving N,N-disulfopiperidiniumbisulfate [DSPP][HSO4] as efficient recyclable homogeneous Brönsted acidic catalyst
Titel:
Study of multicomponent synthesis of 7-alkyl or aryl-6H,7H-benzo[f]chromeno[4,3-b] chromen-6-ones involving N,N-disulfopiperidiniumbisulfate [DSPP][HSO4] as efficient recyclable homogeneous Brönsted acidic catalyst