CHUDÍK, Stanislav, Radek MAREK, Pavlína SEČKÁŘOVÁ, Marek NEČAS, Jiří DOSTÁL a Jiří SLAVÍK. Revision of the Structure of Escholidine. Journal of Natural Products. Washington: American Chemical Society, 2006, roč. 69, č. 6, s. 954-956. ISSN 0163-3864. |
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@article{637412, author = {Chudík, Stanislav and Marek, Radek and Sečkářová, Pavlína and Nečas, Marek and Dostál, Jiří and Slavík, Jiří}, article_location = {Washington}, article_number = {6}, keywords = {alkaloid; escholidine; NMR; X-ray}, language = {eng}, issn = {0163-3864}, journal = {Journal of Natural Products}, title = {Revision of the Structure of Escholidine}, volume = {69}, year = {2006} }
TY - JOUR ID - 637412 AU - Chudík, Stanislav - Marek, Radek - Sečkářová, Pavlína - Nečas, Marek - Dostál, Jiří - Slavík, Jiří PY - 2006 TI - Revision of the Structure of Escholidine JF - Journal of Natural Products VL - 69 IS - 6 SP - 954-956 EP - 954-956 PB - American Chemical Society SN - 01633864 KW - alkaloid KW - escholidine KW - NMR KW - X-ray N2 - The structure of the quaternary tetrahydroprotoberberine alkaloid escholidine is revised on the basis of 2D NMR spectroscopy and X-ray diffraction. In contrast to the originally reported constitution, escholidine bears an -OH group at C-9 and an -OCH3 group at C-10. The 1H and 13C NMR data and long-range 1H-13C and NOE interactions of escholidine are compared with those of thalifendine and tetrahydroberberrubine. The 15N NMR data of escholidine obtained by using long-range 1H-15N correlation experiments at natural abundance are also reported. ER -
CHUDÍK, Stanislav, Radek MAREK, Pavlína SEČKÁŘOVÁ, Marek NEČAS, Jiří DOSTÁL a Jiří SLAVÍK. Revision of the Structure of Escholidine. \textit{Journal of Natural Products}. Washington: American Chemical Society, 2006, roč.~69, č.~6, s.~954-956. ISSN~0163-3864.
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