نتایج جستجو برای: d tartaric acid
تعداد نتایج: 1262719 فیلتر نتایج به سال:
New synthetic strategies to indolocarbazoles have been reported via two-fold Fischer indolization under green conditions using l-(+)-tartaric acid and N,N-dimethyl urea. Starting with cyclohexanone, a bench-top starting material, this methodology has been extended to the total synthesis of natural products such as tjipanazoles D and I as well as the core structure of asteropusazole and racemosi...
Although the tartrates have been considered as possible metabolites in higher plants since the initial work of Pasteur in 1848, surprisingly little is known of their actual physiological significance. Vickery and Palmer (35) have briefly reviewed the history of (+)-tartrate in plants, including the problems of identification and of nomenclature. They conclude that (+)-tartrate is an uncommon pl...
This study was conducted to assess the compatibility of aspirin with selective amino acids by studying the effect of amino acids on the solubility of aspirin, so that the attention could be paid towards the use of proteinous foods along with aspirin. Two different types of dissolution media, i.e., 0.5% solution of each amino acid and 100 mL of distilled water (100 mL each), were prepared. Then,...
A novel series of double hydrogen bonded liquid crystals have been isolated. Hydrogen bond was formed between non mesogen chiral ingredient levo tartaric acid (LTA) and mesogenic undecyloxy benzoic acids (11BA) Thermal and electrical properties exhibited by levo tartaric acid and undecyloxy benzoic acid (LTA+11BA) were discussed. Interesting feature of the present investigation was observation ...
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