论文信息 - X-Ray Structure Determination of (−)-Obtusane, a New Sesquiterpene from the Red Alga, Laurencia nipponica Yamada

X-Ray Structure Determination of (−)-Obtusane, a New Sesquiterpene from the Red Alga, Laurencia nipponica Yamada

A new sesquiterpene (C15H23Br2Cl, mp 172–173 °C) isolated from Laurencia nipponica Yamada has been found to be (−)-obtusane by X-ray crystal structure analysis.

[1] Takeshi Matsumoto,et al. The Crystal and Molecular Structure of 7,8-Epoxyhalochamigrene , 1982 .

[2] A. Furusaki. A new Monte Carlo method for phase determination , 1979 .

[3] W. C. Hamilton. Significance tests on the crystallographic R factor , 1965 .