Tetrahedron Letters

Reactivity of 4a, 5-epoxy-5-deazaflavins

F Yoneda, Y Sakuma

Index: Yoneda, Fumio; Sakuma, Yoshiharu Tetrahedron Letters, 1981 , vol. 22, # 40 p. 3977 - 3980

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Citation Number: 13

Abstract

Abstract Reactions of 4a, 5-epoxy-5-deazaflavins with aqueous potassium carbonate, Vilsmeier reagent (dimethylformamide-phosphorus oxychloride), acetic anhydride-acetic acid, pyridine and triethanolamine gave the corresponding oxazolonoquinolines, 5-chloro-5- deazaflavins, 4a, 5-diacetoxy-5-deazaflavins, 1, 5-dihydro-5-deazaflavin-5-ones, and deoxygenated 5-deazaflavins, respectively.