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Laureoxolane, a new bromo ether from laurencia nipponica

✍ Scribed by Akio Fukuzawa; Mya Aye; Yoshiaki Takaya; Hideto Fukui; Tadashi Masamune; Akio Murai

Publisher
Elsevier Science
Year
1989
Tongue
French
Weight
241 KB
Volume
30
Category
Article
ISSN
0040-4039

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An extensive study of neutral essential oil from Laurencia nipponica Yamada (Rhodomelaceae; Urasozo in Japanese) led to isolation of a new bromo ether in 0.001% yield. It is designated as isoprelaurefucin and assigned structure I on the basis of chemical and spectral evidence and biogenetical point

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In the preceding paper (2) the isolation and structural elucidation of laureatin from Laurencia nipponica Yamada have been reported. From the same source, we have isolated an isomeric bromo compound, designated as isolaureatin, which is now assigned structure I on chemical and spectroscopic eviden

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We describe herein the isolation and structural elucidation of a new bromo compound, designated as laureatin, in Laurencia ninoonica Yamada (Japanese name Urasozo; Rhodomelaceae). Laureatin (I), C15H2002Br2 (Mf 394, 392 and 390), m.p. 82-83', la], +96" @X4), was isolated in 0.05% yield by chromatogr