Page 1. JOURNAL OF CHEMISTRY ... twice with 100 ml of CH 2 Cl 2 . The organic layer was dried over with water and dried in vacuo. The crude materials were ... Phys., 1989, Press, Ohio, 57th edn., 1976, p. E-68. 65, 3610; J. Kido, M. Kohda, K. Hongawa, K. Okuyama and ...