Process for preparing novel 7-thioester derivatives of 3H pyrrolo [1,2-a]-imidazole and 8-thioester derivatives of imidazo [1,2-a] pyridine

Granted: Nov 5, 1985 Filed: Nov 26, 1984

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.