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(1967)
Dictionary of Natural Products, Chapman and Hall, Scientific Data Division
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Chemistry of Natural Compounds, Vol. 37, No. 3, 2001 1 2 F. Z. Erdemgil, M. V. Telezhenetskaya, UDC 547.944/945 2 2 M. G. Levkovich, N. D. Abdullaev, 1 1 N. Kirimer, and K. H. C. Baser We have investigated the alkaloid composition of Thalictrum orientale Boiss. (Ranunculaceae) which had not been studied previously. The plant material subjected to this study was collected at flowering stage in May 1995 around Nigde: Ulukisla in Turkey. It is a tiny plant, which grows out of crevices on rocky slopes and has a narrow distribution [1]. Extraction of the dried underground parts was carried out following the method described earlier [2] and the extract was fractionated to yield ether-soluble non-phenolics (A), ether-soluble phenolics (B), chloroform soluble bases (C), and quaternary alkaloids (D). Ether-soluble non-phenolic bases (A) were separated on an Alumina column to isolate individual base 1. UV and MS data (EtOH, λ 284 nm, M 608) suggested it to be a bisbenzylisoquinoline. max The PMR spectrum of I (CDCl , δ values) contained signals for two N-methyl groups at 2.32 and 2.62 ppm and three methoxyl groups at 3.92, 3.76, and 3.34 ppm. This allowed us to assign the structure to berbamine
Chemistry of Natural Compounds – Springer Journals
Published: Oct 9, 2004
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