... Theodore J. Nitz, John Lindsey, and Charles H. Stammer* Department of Chemistry, University of Georgia, Athens, Georgia 30602 Received April 20, 1982 ... J. Org. ... chloroform-methanol (41), (8) lpbutanol-acetic acid-water (415) organic phase, (9) ethyl acetate-G mix (1:4) (G mix ...