TY - JOUR
T1 - Taxane diterpenoids from Taxus yunnanensis and Taxus cuspidata
AU - Shi, Qing Wen
AU - Oritani, Takayuki
AU - Kiyota, Hiromasa
AU - Zhao, Ding
N1 - Funding Information:
We appreciate the assistance of Mrs Teiko Yamada in obtaining the NOESY spectra and recording the high resolution MS data. The acquisition of some 2D NMR data was facilitated by Associate Prof. M. Satake (Graduate School of Agricultural Sciences, Tohoku University). This work was supported financially in part by the Ministry of Education, Science, Sports and Culture of Japan through a Grant-in-Aid for scientific research.
PY - 2000/8/31
Y1 - 2000/8/31
N2 - Chemical examination of the seeds of the Chinese yew, Taxus yunnanensis Cheng et L. K. Fu and the Japanese yew, Taxus cuspidata Sieb et Zucc, resulted in the isolation of four taxane diterpenoids. The structures of these taxoids were established as (12α)-2α-acetoxy-5α,9α,10β-trihydroxy-3,11-cyclotax-4(20)-en-13-one; 2α,7β,13α-triacetoxy-5α,9α-dihydroxy-2(3→20)abeotaxa-4(20),11-dien-10-o ne; 9α, 10β-diacetoxy-5α-cinnamoyloxytaxa-4(20),11-dien-13α-ol and the known 2α,7β,9α,10β,13-pentaacetoxy-taxa-4(20), 12-diene-5α,11β-diol on the basis of spectral analysis. (C) 2000 Elsevier Science Ltd.
AB - Chemical examination of the seeds of the Chinese yew, Taxus yunnanensis Cheng et L. K. Fu and the Japanese yew, Taxus cuspidata Sieb et Zucc, resulted in the isolation of four taxane diterpenoids. The structures of these taxoids were established as (12α)-2α-acetoxy-5α,9α,10β-trihydroxy-3,11-cyclotax-4(20)-en-13-one; 2α,7β,13α-triacetoxy-5α,9α-dihydroxy-2(3→20)abeotaxa-4(20),11-dien-10-o ne; 9α, 10β-diacetoxy-5α-cinnamoyloxytaxa-4(20),11-dien-13α-ol and the known 2α,7β,9α,10β,13-pentaacetoxy-taxa-4(20), 12-diene-5α,11β-diol on the basis of spectral analysis. (C) 2000 Elsevier Science Ltd.
KW - Seeds
KW - Taxaceae
KW - Taxane diterpenoid
KW - Taxoids
KW - Taxus cuspidata Sieb et Zucc
KW - Taxus yunnanensis Cheng et L. K. Fu
UR - http://www.scopus.com/inward/record.url?scp=0034739167&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0034739167&partnerID=8YFLogxK
U2 - 10.1016/S0031-9422(00)00186-2
DO - 10.1016/S0031-9422(00)00186-2
M3 - Article
C2 - 11014274
AN - SCOPUS:0034739167
VL - 54
SP - 829
EP - 834
JO - Phytochemistry
JF - Phytochemistry
SN - 0031-9422
IS - 8
ER -