Structure determination of bitter principles in Ailanthus altissima. Structure of shinjulactone A and revised structure of Ailanthone

The structure of a new bitter principle, shinjulactone A, isolated from Swas determined to be 11β,20-epoxy-1β,2α,11α,12α-tetrahydroxypicrasa-3,13(21)-dien-16-one and the configuration of a hydroxyl group at C-12 of ailanthone was re...

H Naora，M Ishibashi，T Furuno，... - 《Bulletin of the Chemical Society of Japan》

Structures of shinjulactones D and E, new bitter principles of Ailanthus altissima Swingle

Two bitter quassinoids, shinjulactones D and E (1 and 2), were isolated from Ailanthus altissima SWINGLE and their structures were determined to be 11β, 2...

M Ishibashi，T Furuno，T Tsuyuki，... - 《Chemical & Pharmaceutical Bulletin》

Shinjulactone, C, a new quassinoid with A 1alpha, 12alpha:5alpha, 13alpha-dicyclo-9betaH-picrasane skeleton from Ailanthus altissima Swingle

A new non-bitter quassinoid, named shinjulactone C ( 1 ), was isolated from the root bark of Ailanthus altissima SWINGLE and shown to be 1α, 12α:5α, 13α-dicyclo-1β, 12β, 20-trihydroxy-9β H -picras-3-ene-2, 11, 16-trione by X-ray ...

M Ishibashi，T Murae，H Hirota，... - 《Tetrahedron Letters》

Bitter Principles of Ailanthus altissima SWINGLE. Structure Determination of Shinjuglycosides E and F

Two new quassinoid glycosides, shinjuglycosides E and F, were isolated from the root bark of Ailanthus altissima SWINGLE and their structures were establis...

YOSHIO，NIIMI，TAKAHIKO，... - 《Chemical & Pharmaceutical Bulletin》

Shinjulactone C, a new quassinoid ith a 1α, 12α:5α, 13α-dicyclo-9β-picrasane skeleton from SWINGLE

Two new quassinoid glycosides, shinjuglycosides E and F, were isolated from the root bark of Ailanthus altissima SWINGLE and their structures were establis...

M. Ishibashi，T. Murae，Hirota Hiroshi，... - 《Tetrahedron Letters》

Research Progress in Chemical Constituents and Bioactivities of Ailanthus altissima. (English).

The research progress in chemical constituents and their bioactivities of Ailanthus altissima since the 1960's were reviewed with respect to shinjulactones...

TAN，Qing-wei，WU，... - 《Natural Product Research & Development》