Chemische Berichte

Photochemical Dehydrogenation, Ring Contraction, and Ring Expansion of Hydrogenated Derivatives of Benzoxazino??benzoxazine, Quinoxalino??quinoxaline, and …

E Tauer, KH Grellmann

Index: Chemische Berichte, , vol. 123, # 5 p. 1149 - 1154

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Citation Number: 14

Abstract

... at reflux for 1 h. After cooling, the product was filtered, washed with a little ethanol and dried; yield 11.55 g (43%), mp 159-163°C. Further purification on an A1203 column (eluant CH/ diisopropyl ether, 3 : 1 by vol.) and recrystallization ... 5, J. Murase, Bull. ... 123 (1990) 1149-1154