نتایج جستجو برای: 1 hydroxy 2 methyl 9
تعداد نتایج: 4160285 فیلتر نتایج به سال:
In this study, the bioactive compounds present in the ethyl acetate extracts of two different Streptomyces strains isolated from vermicast (earthworm fecal pellets) were investigated using Gas Chromatography and Mass Spectrometry (GC-MS). GC-MS analysis showed the presence of 12 and 9 bioactive compounds in AS1 and AS3 respectively. GC-MS analysis of AS1extract revealed the presence of major bi...
New edaravone derivatives containing a benzylpiperazine moiety are designed and synthesized. The structures characterized by 1 H NMR, 13 C high-resolution mass spectrometry. potential neuroprotective activities of the target compounds evaluated in differentiated rat pheochromocytoma cells (PC12 cells) mice subjected to acute cerebral ischemia. Most showed both vivo vitro, especially 1-(4-(4-flu...
Geometric and position isomers of zeatin and of ribosylzeatin and other compounds closely related to zeatin have been tested in the tobacco (Nicotiana tabacum var. Wisconsin No. 38) bioassay. None was more active than zeatin itself. There was a much greater difference in activity (> 50-fold) between transand cis-zeatin than between trans-isozeatin [6(4-hydroxy-2-methyl-trans-2-butenylamino)puri...
A new oxysporidinone analogue (1) and a new 3-hydroxyl-2-piperidinone derivative (2), along with the known compounds (-)-4,6'-anhydrooxysporidinone (3), (+)-fusarinolic acid (4), gibepyrone D (5), beauvercin (6),cerevisterol (7), fusaruside (8), and (2S,2'R,3R,3'E,4E,8E)-1-O-D-glucopyranosyl-2-N-(2'-hydroxy-3'-octadecenoyl)-3-hydroxy-9-methyl-4,8-sphingadienine (9) were isolated from Fusarium o...
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