Three new diterpenoids,including two halimanes,5(10),13E-halimadiene-3α,15-diol(1),and 5(10),14-halimadiene-3α,13ξ-diol(2),one labdane,12-(3-methyl-furan)-labd-8(17)-en-19-oic acid(3),together with sixteen known compounds were isolated from the barks of Dysoxylum densiflorum.All compounds were elucidated by extensive spectroscopic analysis.
Ji GUSheng-Yan QIANGui-Guang CHENGYan LIYa-Ping LIUXiao-Dong LUO
Four new isoflavanones with isoprenoid units,named triquetrumones E-H(1-4),were isolated from the whole plants of Tadehagi triquetrum.The structures were elucidated on the basis of spectroscopic analyses,including application of MS,UV,IR,1D and 2D NMR spectroscopic techniques.
Rong-Ting ZHANGGui-Guang CHENGTao FENGXiang-Hai CAIXiao-Dong LUO
