... Department of Medicinal Chemistry, University of Kansas, Lawrence, Kansas 66045-2506 Received July 3, 1989 ... See: Organic Syntheses; Wiley: New York, 1955; Collect. Vol. 111, p 809. 122 (45), 43 (100). ... Page 5. 2740 J. Org. Chem., Vol. 55, No. 9, 1990 ...