Homoisoflavonoids and Related Compounds. III. Phenolic Constituents of Caesalpinia japonica SIEB. et ZUCC.

MICHIO NAMIKOSHI; HIROYUKI NAKATA; MARIKO NUNO; TAKASHI OZAWA; TAMOTSU SAITOH

doi:10.1248/cpb.35.3568

Homoisoflavonoids and Related Compounds. III. Phenolic Constituents of Caesalpinia japonica SIEB. et ZUCC.

MICHIO NAMIKOSHI, HIROYUKI NAKATA, MARIKO NUNO, TAKASHI OZAWA, TAMOTSU SAITOH

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Keywords: Caesalpinia japonica, Leguminosae, wood, isolation, homoisoflavonoid, brazilin, dibenzoxocin derivative

JOURNAL FREE ACCESS

1987 Volume 35 Issue 9 Pages 3568-3575

DOI https://doi.org/10.1248/cpb.35.3568

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Abstract

A new homoisoflavonoid, 3'-deoxy-4-O-methylsappanol (3, 7-dihydroxy-3- (4-hydroxybenzyl) 4-methoxychroman) was isolated from the wood of Caesalpinia japonica SIEB. et Zucc. (Leguminosae), together with the known compounds, sappanol, episappanol, 4-O-methylsappanol, 4-O-methylepisappanol, sappanones A and B, sappanchalcone, 3-deoxysappanchalcone, isoliquiritigenin, butein, brazilin and protosappanins A, B and C. None of these compounds has previously been isolated from this plant.

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