Now showing items 1-2 of 2
Sapphyrins, derivatives and syntheses
(United States Patent and Trademark Office, 1992-10-27)
The present invention involves, in addition to many unique substituted sapphyrins, a novel method for synthesizing sapphyrins with good efficiency and high yield. An improved 9-step synthesis of substituted sapphyrins, ...
Process for preparing expanded porphyrins: large porphyrin-like tripyrroledimethine-derived macrocycles
(United States Patent and Trademark Office, 1992-11-10)
" The present invention involves a novel tripyrrole dimethine-derived ""expanded porphyrin"" (texaphyrin), the synthesis of such compounds, their analogs or derivatives and their uses. These expanded porphyrin-like macrocycles ...