One new bifuran derivative (1), together with fourteen known compounds, were isolated from Cordyceps cicadae X. Q. Shing. The known compounds included nine nucleosides, uracil (2), uridine (3), 2'-deoxyuridine (4), 2'-deoxyinosine (5), guanosine (6), 2'-deoxyguanosine (7), thymidine (8), adenosine (9), and 2'-deoxyadenosine (10); three amino acids tryptophan (11), phenylalanine (12), and tyrosine (13); and two dopamine analogues N-acetylnoradrenaline (14) and its dimer, trans-2-(3',4'-dihydroxyphenyl)-3-acetylamino-7-(N-acetyl-2''-amino-ethylene)-1,4-benzodioxane (15). Their structures were decisively elucidated by spectroscopic analysis, including 1D and 2D NMR techniques.
Two Novel Isoquinoline Alkaloids from the Seedling of Corydalis decumbens. -Decumbensine (I) and decumbendine (II) are isolated together with nine known compounds from the title seedling. -(CHANG, J.; CHU, Z.-B.; SONG, J.; JIN, L.; SUN*, X.; Tetrahedron Lett. 56 (2015) 1, 225-228, http://dx.
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