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Report | Regular issue | Vol 19, No. 3, 1982, pp.539-550
Published online, 1st January, 1970
DOI: 10.3987/R-1982-03-0539
Carbon-13 NMR Spectra of Some Furanoid Diterpenes from Teucrium Species

Eszter Gács-Baitz, Márton Kajtár, Georgi Y. Papanov, and Peter Y. Malakov

*NMR Laboratory, Central Research Institute of Chemistry, H-1525, Budapest, Hungary


By carbon-13 and 1H NMR methods, the proposed constitution of eleven newly isolated furanoid diterpenes and some of their transformation products are confirmed and relative stereochemistries are established. CD spectra provide the absolute stereochemistry for teucrin A, 6-ketoteuscordin, teuscordinon and montanin D.