The Constituents of Eucommia ulmoides OLIV. V. Isolation of Dihydroxydehydrodiconiferyl Alcohol Isomers and Phenolic Compounds

TAKESHI DEYAMA; TAKAKO IKAWA; SHIZUKA KITAGAWA; SANSEI NISHIBE

doi:10.1248/cpb.35.1785

The Constituents of Eucommia ulmoides OLIV. V. Isolation of Dihydroxydehydrodiconiferyl Alcohol Isomers and Phenolic Compounds

TAKESHI DEYAMA, TAKAKO IKAWA, SHIZUKA KITAGAWA, SANSEI NISHIBE

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Keywords: Eucommia ulmoides, lignan, dihydroxydehydrodiconiferyl alcohol, dihydrobenzofuran, phenolic compound, ¹³C-NMR, HPLC

JOURNAL FREE ACCESS

1987 Volume 35 Issue 5 Pages 1785-1789

DOI https://doi.org/10.1248/cpb.35.1785

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Abstract

Two new lignans, erythro-dihydroxydehydrodiconiferyl alcohol (1) and its threo isomer (2), were isolated from the bark of Eucommia ulmoides OLIV. (Eucommiaceae), together with six known lignans and three known phenolic compounds. Their structures were elucidated on the basis of spectroscopic analyses and chemical evidence.

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