TY - JOUR
T1 - Parviflorenes B-F, novel cytotoxic unsymmetrical sesquiterpene-dimers with three backbone skeletons from Curcuma parviflora
AU - Toume, Kazufumi
AU - Takahashi, Masae
AU - Yamaguchi, Kentaro
AU - Koyano, Takashi
AU - Kowithayakorn, Thaworn
AU - Hayashi, Masahiko
AU - Komiyama, Kanki
AU - Ishibashi, Masami
N1 - Funding Information:
This work was partly supported by a Grant-in-Aid from the Ministry of Education, Culture, Sports, Science, and Technology of Japan.
PY - 2004/11/22
Y1 - 2004/11/22
N2 - Five novel natural products classified as dimeric sesquiterpenes, named parviflorenes B-F (2-6), possessing three types of novel backbone frameworks, have been isolated from Curcuma parviflora (Zingiberaceae). The structures of 2-6 were elucidated by means of spectroscopic studies, and the structure of 2 was further unambiguously established by X-ray crystallographic analysis. Compounds 2, 4, and 6 have an unsymmetrical bis-cadinane skeleton, while compound 3 is a dimer of cadinane and iso-cadinane, and compound 5 possesses another novel carbon framework consisting of two cadinanes with different bond-connection. These new compounds with novel carbon skeletons showed cytotoxicity against tumor cell lines.
AB - Five novel natural products classified as dimeric sesquiterpenes, named parviflorenes B-F (2-6), possessing three types of novel backbone frameworks, have been isolated from Curcuma parviflora (Zingiberaceae). The structures of 2-6 were elucidated by means of spectroscopic studies, and the structure of 2 was further unambiguously established by X-ray crystallographic analysis. Compounds 2, 4, and 6 have an unsymmetrical bis-cadinane skeleton, while compound 3 is a dimer of cadinane and iso-cadinane, and compound 5 possesses another novel carbon framework consisting of two cadinanes with different bond-connection. These new compounds with novel carbon skeletons showed cytotoxicity against tumor cell lines.
KW - Curcuma parviflora
KW - Cytotoxicity
KW - Dimeric sesquiterpene
KW - X-ray analysis
KW - Zingiberaceae
UR - http://www.scopus.com/inward/record.url?scp=14344261355&partnerID=8YFLogxK
U2 - 10.1016/j.tet.2004.09.043
DO - 10.1016/j.tet.2004.09.043
M3 - 学術論文
AN - SCOPUS:14344261355
SN - 0040-4020
VL - 60
SP - 10817
EP - 10824
JO - Tetrahedron
JF - Tetrahedron
IS - 48
ER -