
%0 Journal Article
%A Clezy, PS 
%A Liepa, AJ 
%T The chemistry of pyrrolic compounds. XV. Porphyrins from electronegatively substituted bilenes and biladienes
%J Australian Journal of Chemistry
%D 1971/05/01
%V 24
%N 5
%P 1027-1040
%K 
%R https://doi.org/10.1071/CH9711027
%U https://www.publish.csiro.au/paper/CH9711027 
%X The preparation is reported of a number of 1,19-dimethyl-1,19-dideoxybilenes-b and 1,19-dimethyl-1,19-dideoxybiladienes-ac which carry electronegative substituents. These linear tetrapyrroles can be cyclized to porphyrins in good yield by means of copper acetate in pyridine solution. 
