PREPARATION AND PHOTOREACTION OF 6A,6B-BIS(ANTHRACENE-9-CARBONYL)-GAMMA-CYCLODEXTRIN, 6A,6C-BIS(ANTHRACENE-9-CARBONYL)-GAMMA-CYCLODEXTRIN, 6A,6D-BIS(ANTHRACENE-9-CARBONYL)-GAMMA-CYCLODEXTRIN, AND 6A,6E-BIS(ANTHRACENE-9-CARBONYL)-GAMMA-CYCLODEXTRIN - A NEW METHOD FOR REGULATION OF PRODUCT STEREOCHEMISTRY