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期刊论文
Isolation and stereochemistry of two new alkaloids from Stemona tuberosa neotuberostemonine; hydrogen bonds.
Tetrahedron 58 (2002) 6705-6712，-0001，（）：
Two new stenine-type alkaloids, neotuberostemonol (3) and neotuberostemoninol (4), along with the known compound neotuberostemonine (2), were isolated from Stemona tuberosa Lour. Their structures were characterized by X-ray crystallography in combination with spectroscopic methods, and their absolute configurations were inferred from the known configuration of tuberostemonine (1). In the crystalline state, weak C-H O hydrogen bonds play an important role in the molecular packing of 3 and 4. q 2002 Elsevier Science Ltd. All rights reserved.
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