A New Dimeric Stilbenoid with a Five‐Membered Lactone Ring from Shorea hemsleyana

Tetsuro Ito; Toshiyuki Tanaka; Munekazu Iinuma; Ken‐ichi Nakaya; Yoshikazu Takahasi; Hikaru Nakamura; HIROSHI NAGANAWA; Soedarsono Riswan

doi:10.1002/hlca.200390283

Abstract

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Abstract From the stem bark of Shorea hemsleyana , a new dimeric stilbenoid with a five‐membered lactone ring, shorealactone ( 1 ) was isolated. The absolute configuration was determined by means of 2D NMR techniques and X‐ray crystal‐structure analysis of its 4‐bromobenzoyl derivative 1e by means of anomalous scattering of the Br‐atom.

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A New Dimeric Stilbenoid with a Five‐Membered Lactone Ring from <i>Shorea hemsleyana</i>

Abstract

Discussion(0)

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