aluminium dodecyl sulfate trihydrate [al(ds)3].3h2o: an efficient lewis acid-surfactant-combined catalyst for synthesis of 1,8-dioxo-octahydroxanthens and 1,8-dioxo-decahydroacridines

[ ' a l u m i n i u m d o d e c y l s u l f a t e t r i h y d r a t e ' , ' l e w i s a c i d ' , ' l e w i s a c i d s u r f a c t a n t c a t a l y s t ' , ' x a n t h e n e s ' , 1 , 8 , ' d i o x o ' , ' o c t a h y d r o x a n t h e n s ' , ' a c r i d i n e d i o n e s ' , 1 , 8 , ' d i o x o ' , ' d e c a h y d r o a c r i d i n e s ' , ' m u l t i c o m p o n e n t r e a c t i o n s ' , ' g r e e n c h e m i s t r y ' ]