
%0 Journal Article
%A Kerr, CA 
%A Rae, ID 
%T Some Friedel-Crafts reactions of &#947;-butyrolactone
%J Australian Journal of Chemistry
%D 1978/02/01
%V 31
%N 2
%P 341-346
%K 
%R https://doi.org/10.1071/CH9780341
%U https://www.publish.csiro.au/paper/CH9780341 
%X Benzene reacts with &#947;-butyrolactone and aluminium chloride to give tetralone, but no detectable amount of 3-methylindan-1-one. p-Dichlorobenzene, p-difluorobenzene and m-dichlorobenzene give exclusively the indanones in good yield. Chlorobenzene gives a mixture of tetralones and indanones in ratio 78 : 22 and the major product of each type arises from alkylation ortho to chlorine. &#947;-Butyrolactone is isomerized to crotonic acid by treatment with excess aluminium chloride at 150&#176; and the indanones probably arise by this route. 
