نتایج جستجو برای: thioglycolic acid
تعداد نتایج: 747450 فیلتر نتایج به سال:
We compared the amount of lignin as determined by the three most traditional methods for lignin measurement in three tissues (sugarcane bagasse, soybean roots and soybean seed coat) contrasting for lignin amount and composition. Although all methods presented high reproducibility, major inconsistencies among them were found. The amount of lignin determined by thioglycolic acid method was severe...
sis usually involve chaotropic agents such as guanidinium chloride and (or) detergents for the dissociation of iron at an acidic pH from transferrin. Reduction is achieved with various reducing compounds such as ascorbic acid, hydroxylamine, thioglycolic acid, and others. Among these, ascorbic acid is unique in its property not only to reduce but also to chelate iron. This property appears to b...
Some new biphenyl-4-carboxylic acid 5-(arylidene)-2-(aryl)-4-oxothiazolidin-3-yl amides have been synthesized and evaluated for anti-inflammatory activity. Biphenyl-4-carboxylic acid hydrazide was converted to the corresponding aryl hydrazones using aryl aldehydes in the presence of catalytic amount of glacial acetic acid. The aryl hydrazones on reaction with thioglycolic acid in the presence o...
The benzo[d]thiazole derivatives 4a–c were synthesized and used for the synthesis of thiophene 6a–f. They form arylhydrazone 8a–i which capable to pyridazine 9a–i 10a–i. latter compounds reacted with thioglycolic acid produce thiazole 12a–i 13a–i, respectively. 15a–c also produced from through their reactions elemental sulfur phenylisothiocyanate. Further heterocyclization 15a carried out deriv...
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