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Paper | Regular issue | Vol 41, No. 5, 1995, pp.1035-1043
Published online, 1st January, 1970
DOI: 10.3987/COM-95-7040
Sorocenols A and B, Two New Isoprenylated Phenols from the Root Bark of Sorocea bonplandii Baillon

Yoshio Hano, Juntaro Yamanaka, Taro Nomura,* and Yasunori Momose

*Faculty of Pharmaceutical Sciences, Toho University, 2-2-1, Miyama, Funabashi, Chiba 274, Japan

Abstract

From the root bark of Sorocea bonplandii Baillon (Moraceae), collected in Paraguay, two new isoprenylated phenols, sorocenols A (1) and B (2) were isolated along with four known isoprenylated phenols, kuwanon C, artonin D, sorocein B, and kuwanol E. The structures of sorocenols A and B were shown to be 1 and 2, respectively. Sorocenol (2) is regarded biogenetically as variation of Diels-Alder type adduct between chalcone derivative and dehydroisoprenylated compound.