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Paeoniflorigenone, a new monoterpene from paeony roots

✍ Scribed by Mineo Shimizu; Toshimitsu Hayashi; Naokata Morita; Ikuko Kimura; Masayasu Kimura; Fumiyuki Kiuchi; Hiroshi Noguchi; Yoichi Iitaka; Ushio Sankawa

Book ID
104234161
Publisher
Elsevier Science
Year
1981
Tongue
French
Weight
134 KB
Volume
22
Category
Article
ISSN
0040-4039

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✦ Synopsis

Paeoniflorigenone (l), a new monoterpene which produces a neuromuscular-blocking effect in mice, was isolated from paeony roots and its structure was elucidated. In the course of our study on pharmacologically active principles of Paeoniae Radix, a new monoterpene, named paeoniflorigenone (PFG), was isolated from roots of Pueonia aZbifZora PALLAS in 0.04 % yield along with benzoic acid and paeoniflorin (5). PFG was found to produce a blocking effect on neuromuscular junction in phrenic nerve diaphragm preparations of mice. The ether-soluble fraction of the water extracts was chromatographed on silica gel with CHCl, to give PFG (1) as colorless viscous oil, [c~]2,~+4.3'(c 0.69, MeOH); UV Xmax MeoHnm(logc): 220(3.94), 258(sh), 263(2.90), 270(2.83

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## Abstract A new monoterpene glucoside, 1‐__O__‐__β__‐D‐glucopyranosyl‐8‐__O__‐benzoylpaeonisuffrone (**1**), was isolated from the roots of __Paeonia lactiflora__ cultivated in Korea, together with two known compounds 1‐__O__‐__β__‐D‐glucopyranosylpaeonisuffrone and paeonidanin (**2**). Their str