Calcd for C16Hm02Si: C, 68.03; H, 10.63. Found C, 67.89; H, 10.73. Acknowledgment. This research was generously sup- ported by the National Institute of General Medical Sci- ences (GM 26782). ... Supplementary Material Available: 'H NMR spectra of 2,20, acetate derivative of 24b, 25a, 36,40,41,42,44,46c, 48c, 48d, 51,55, and 56 (15 pages). Ordering information is given on any current masthead page. ... A New General Synthesis of Polycyclic Aromatic ...