Vol. 70, 2005 Massimiliano Tomasulo, Salvatore Sortino,* Andrew J. P. White, and Franc¸ isco M. Raymo*. Fast and Stable Photochromic Oxazines.
Page 8182. The synthesis of compound 3a and its tautomerism were reported in: (a) Shachkus, A. A.; Degutis, J.; Jezerskaite, A. In Chemistry of Heterocyclic Compounds; Kovac, J., Zalupsky, P., Eds.; Elsevier: Amsterdam, 1987; Vol. 35, pp 518-520. (b) Shachkus, A. A.; Degutis, J.; Urbonavichyus, A. G. Khim. Geterotskil. Soed. 1989, 5, 672-676; Chem. Heterocycl. Compd. 1989, 562-565. JO060921D 10.1021/jo060921d Published on Web 05/13/2006
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