The purple pigments produced by acetylation of 2-(2-oxoindolin-3-yl)-glyoxylates in the presence of pyridine.

Autor: Ballantine, James A., Alam, Mahbub, Fishlock, G. William

Publikováno v: Journal of the Chemical Society, Perkin Transactions 1 (0300922X); 1977, Issue 15, p1781-1786, 6p