Carboxylic acids, esters, amines, and amides

... a carboxylic acid.  Very slow reaction, unless! an acid catalyst used (usually sulphuric acid)  A condensation reaction  The condensation reaction between the hydroxyl group and the carboxylic ... Naming Named after alcohol & carboxylic acid from which they are derived. Names of esters end in –oate. CH 3 C CH 2 O O CH 3 ethyl ethanoate this part from the acid and is na...

Ngày tải lên: 15/03/2014, 22:01

... Properties of Carboxylic Acids Chapter 16 Carboxylic Acids and Esters Copyright © 2007 by Pearson Education, Inc. Publishing as Benjamin Cummings 19 Polarity of Carboxylic Acids Carboxylic acids  Are ... polar.  Have two polar groups: hydroxyl (−OH) and carbonyl (C=O). δ - O ║δ + δ - δ + CH3CO H 1 Chapter 16 Carboxylic Acids and Esters 16.1 Carboxylic Acids C...

Ngày tải lên: 15/03/2014, 22:01

... esterfunctions of dicarboxylic acids or mixedderiva- tives containing aliphatic ester moieties and ester functions of dicarboxylic acids, 4.1 Acylation with Carboxylic Acid Chlorides and Anhydrides ... product, applying usually carboxylic acid anhydrides or chlorides. In the case of sensitive acids, these reactive compounds are either expensive or inaccessible, and the anhydride...

Ngày tải lên: 25/10/2013, 16:20

... 15.3) (Section 15.3) with ammonia and amines (Sections 20.13) with ammonia and amines (Sections 20.13) hydrolysis (Sections 20.9 and 20.10) hydrolysis (Sections 20.9 and 20.10) Reactions of Esters Reactions ... of equilibrium is closely balanced because carbonyl group of ester and of carboxylic acid are comparably stabilized ester and of carboxylic acid are comparably stabil...

Ngày tải lên: 15/03/2014, 23:13

... the Netherlands; 2 Department of Reproduction and Development, Erasmus Medical Center, Rotterdam, the Netherlands The N-terminal domain (NTD) and the ligand-binding domain (LBD) of the androgen ... (2001) Disrupted amino- and carboxyl–terminal interactions of the androgen receptor are linked to androgen insensitivity. Mol. Endocrinol. 15, 923–935. Amino acids 3–13 and amino acids in...

Ngày tải lên: 17/03/2014, 10:20

... induced by ligands on C-LytA monitored by near-UV CD with no ligand added (—) and upon addition of ligands: s, d, 2.5 and 20 m M choline; n, m, 2.5 mM and 20 mM atropine; h, j), 2.5 m M and 20 mM ... min. Experimental con- ditions depended on the enzyme, and were set as follows: 37 °C and pH 6.9 for LytA; 30 °C and pH 6.0 for LytC; and 30 °C and pH 6.9 for Pce. The specific a...

Ngày tải lên: 19/02/2014, 05:20

... 427 properties and fatty acid composition on CO and HC emissions. The correlation analysis reveals that the CO and HC emissions are positively correlated with percentage of unsaturation. That is CO and ... such as density, cetane number, heating value and low temperature properties. On the other hand, the need for standardization of biofuels physical and chemical properties ha...

Ngày tải lên: 05/09/2013, 15:28

... reaction, and the original acid becomes a base in the reverse process • each reactant and the product it becomes is called a conjugate pair • the original base becomes the conjugate acid; and the ... Approach 14 Arrhenius Theory HCl ionizes in water, producing H + and Cl – ions NaOH dissociates in water, producing Na + and OH – ions Tro, Chemistry: A Molecular Approach 22 Brø...

Ngày tải lên: 28/11/2013, 01:12

... carboxyles- terases and albumin, was controlled by nondenaturing PAGE and activity staining [26,68]. Kinetics of substrate hydrolysis in the absence of ligand Kinetic assays with neutral and positively and negatively charged ... 0.01 lm, and that of the D70G mutant was 0.196 ± 0.02 lm. Effects of ligands on steady-state kinetics The effects of the ligands (L: tyramine, serotonin an...

Ngày tải lên: 18/02/2014, 17:20