Rigby, J H Preparation of a resin-based chromium catalyst for effecting [6pi + 2pi] cycloaddition reactions. [electronic resource] - Organic letters Nov 2000 - 3917-9 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. ISSN: 1523-7060 Standard No.: 10.1021/ol0002931 doi Subjects--Topical Terms: CatalysisChromium--chemistryCyclizationPolystyrenes--chemistry