Tetrahedron Letters No. 36, 1996 pp. 4273-4278, A new and convenient method for converting olefins to aldehydes, James J. Pappas, et al. |
Journal of the American Chemical Society, vol. 105, No. 25, Dec. 14, 1983, Washington, D.C., pp. 7345-7352, Synthesis of beta-lactam antibiotics by the sulpheno-cycloamination, M. Ihara, et al. |
Abstract, Database WPI, Derwent Publication Ltd., London, BG; Class B05, AN 91-040134 XP002020277 & JP 02 306 973 A (Otsuka Pharmaceutical), Dec. 20, 1990. |
Tetrahedron Letters vol. 32, No. 50, Dec. 9, 1991, Oxford, GB, pp. 7445-7448, A convenient synthesis of 2-exo-Methylene Penam, A potent intermediate of new .beta.-lactam antibiotics synthesis, Hideo Tanaka, et al. |
Tetrahedron vol. 37, No. 4, 1981, Oxford, GB, pp. 703-707, Synthesis of 2-oxocephalosporins, D. Hagiwara, et al. |
Appell et al., New Reagents for the Reductive Quenching of Ozonolysis Reactions, Synthetic Communications, 25(22) pp. 3589-3595, 1995. |