Abstract: Isochromans and their derivatives have been chemically synthesized. These compounds possess significant phytotoxic activity which may be used as a biodegradable contact herbicide. The synthetic method allows for economic production of these herbicides.
June 21, 1996
Date of Patent:
July 13, 1999
The United States od America as Represented by the Secretary of Agriculture
Horace G. Cutler, George Majetich, Xinrong Tian, Paul Spearing