نتایج جستجو برای: diacetyl
تعداد نتایج: 1010 فیلتر نتایج به سال:
Chemosensation in C. elegans Worms have a very simple chemosensory system composed of 32 neurons. Despite this simplicity, they are capable of detecting and appropriately responding to a Dallas, Texas 75235-9111 wide range of chemicals (Bargmann et al. Lucretius, one of the early Greek atomists, suggested have shown that chemoattraction to a number of mole-that all substances having odor gave o...
In the crystal of the title compound, C(24)H(33)NO(9), inter-molecular C-H⋯O hydrogen bonds link the mol-ecules.
The cytotoxic chloroform fraction of Euphorbia aellenii afforded two cycloartane type triterpenes-cycloart-25-en-3β,24-diol (1) and 24-methylene-cycloartan-3β-ol (2)-for the first time from this plant. Preparation of cycloartane derivatives, 3β, 24-O-diacetyl-cycloart-25-en as compound 3 and 3β-O-acetyl-24-methylene-cycloartan (4) were conducted by acetylating of 1 and 2, respectively. The stru...
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