Glucofrangulin CAS Registry Number: 52731-38-1 1,6-二羟基-3-甲基-8-(((2S,3R,4S,5S,6R)-3,4,5-三羟基-6-(羟甲基)四氢-2H-吡喃-2-基)氧基)蒽-9,10-二酮

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Literature References: Anthraquinone glycoside from bark of Rhamnus frangula L., Rhamnaceae (alder buckthorn): Casparis, Maeder, Bull. Soc. Chim. Biol. 9, 324 (1927); Cucu, Jarpo, Pharmazie 14, 316 (1959); Knap et al., CS 110024 (1964), C.A. 61, 4159e (1964). Consists of two isomers, glucofrangulin A and glucofrangulin B, which differ by the linkage to the sugar moiety at the 3 position of the aglycone. Structure: Schindler, Helv. Chim. Acta 29, 411 (1946); Hörhammer et al., Naturwissenschaften 51, 310 (1964); Longo et al., Arch. Pharm. 297, 248 (1964); Wagner, Hörhammer, Naturwissenschaften 53, 585 (1966). Proof of structure of glucofrangulin A and partial synthesis: eidem, Z. Naturforsch. 24B, 1408 (1969).