Two New Eremophilane-Type Sesquiterpenoids from Japanese Liverwort Bazzania japonica

被引：1

作者：

Fukada, Ryosuke ^{[1
]}

Kawano, Jin ^{[1
]}

Tsuruta, Tomoki ^{[2
]}

Nonaka, Takuto ^{[1
]}

Sato, Kosuke ^{[1
]}

Miyajima, Susumu ^{[1
]}

Ishigami, Shinnosuke ^{[3
]}

Ishii, Takahiro ^{[3
,4
]}

Nishikawa, Keisuke ^{[2
]}

Asakawa, Yoshinori ^{[5
]}

Kamada, Takashi ^{[1
]}

机构：

[1] Shizuoka Inst Sci & Technol, Fac Sci & Technol, 2200-2 Toyosawa, Fukuroi, Shizuoka 4378555, Japan

[2] Osaka Metropolitan Univ, Grad Sch Sci, Dept Chem, 3-3-138,Sugimoto,Sumiyoshi Ku, Osaka 5588585, Japan

[3] Kagoshima Univ, United Grad Sch Agr Sci, 1-21-24,Korimoto, Kagoshima 8900065, Japan

[4] Univ Ryukyus, Fac Agr, 1 Senbaru, Nishihara, Okinawa 9030213, Japan

[5] Tokushima Bunri Univ, Fac Pharmaceut Sci, Yamashiro Cho, Tokushima 7708514, Japan

来源：

CHEMISTRY & BIODIVERSITY | 2023年 / 20卷 / 04期

关键词：

liverwort; Bazzania; sesquiterpenoid; eremophilane; insect repellent; CHEMICAL-CONSTITUENTS; MALAGASY LIVERWORTS; BRYOPHYTES; CHEMOSYSTEMATICS; CAFFEATE;

D O I：

10.1002/cbdv.202300131

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Two new eremophilane-type sesquiterpenoids, fusumaols A (1) and B (2), were isolated from the stem-leafy liverwort, Bazzania japonica collected in Mori-Machi, Shizuoka, Japan. Their structures were established using extensive spectroscopic (IR, MS, and 2D NMR) data, and the absolute configuration of 1 was determined by the modified Mosher's method. This is the first time eremophilanes have been discovered in the liverwort genus Bazzania. Compounds 1 and 2 were evaluated for their repellent activity against the adult population of the rice weevil Sitophilus zeamais using the modified filter paper impregnation method. Both sesquiterpenoids showed moderate repellent activities.

引用

页数：6

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