ESTERS OF CARBOXYLIC ACIDS – CONVENTIONAL METHODS

... hydrolysis of cellulose triacetate) depending on the DS values Cellulose acetate Solvent DS Chloroform Acetone 2-Methoxy-ethanol Water 2. 8–3 .0 + – – – 2. 2–2 .7 – + – – 1. 2–1 .8 – – + – 0. 6–0 .9 – – – + ... 4 Esters of Carboxylic Acids – Conventional Methods Esterification of polysaccharides with carboxylic acids and...

Ngày tải lên: 25/10/2013, 16:20

... 20.8 20.8 Reactions of Esters: Reactions of Esters: A Review and a Preview A Review and a Preview with Grignard reagents (Section ... 20.13) hydrolysis (Sections 20.9 and 20.10) hydrolysis (Sections 20.9 and 20.10) Reactions of Esters Reactions of Esters 20.9 20.9 Acid-Catalyzed Ester Hydrolysis Acid-Catalyzed Ester Hydrolysis maximize ... excess of water maximize ester hy...

Ngày tải lên: 15/03/2014, 23:13

... 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 ... 16 Carboxylic Acids and Esters 16.1 Carboxylic Acids Copyright © 2007 by Pearson Education, Inc. Publishing as Benjamin Cummings 20 Boiling Points of Car...

Ngày tải lên: 15/03/2014, 22:01

... the carboxylic acid known as esterification .  Reverse reaction = ester hydrolysis 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 ... attached to the C=O – this is from the acid  The group attached to the –O- is from the alcohol. Wait! What’s that smell? • Esters have strong, swee...

Ngày tải lên: 15/03/2014, 22:01

... 18 19 Start of dynamic injection (CA deg bTDC) % of Premixed combustion 70 74 78 82 86 90 % of Diffusion combustion % of Premixed combustion % of Diffusion combustion Trend line of % of diffusion ... Brake Thermal Efficiency Exhaust Gas Temperature % of US 0.938 0.939 – 0.940 0.989 Density 0.937 0.926 – 0.926 0.924 Heating value – 0.921 – – – Where, BTE =...

Ngày tải lên: 05/09/2013, 15:28

... various amounts of sodium pyruvate, 5 g of ammonium acetate, 0.6 g of pyrocatechol, 0.2 g of sodium sulfite,0.1 g of EDTA, and cells harvested from 100 ml of broth, in a total volume of 100 ml.The ... successful introduction of the technology, various methods were searched for and deve- loped for microbial production of other amino acids. Today a whole array of amino a...

Ngày tải lên: 26/10/2013, 02:20

... This column is of the nvarchar SQL Server type, and to get the Product-Name column value, the GetString() method is used. Of course, this code depends on your knowing the type of the database ... don't know the type of a column, you can get it using Visual Studio .NET's Server Explorer. For example, Figure 9.1 shows the details of the ProductID column of the Produc...

Ngày tải lên: 24/12/2013, 01:17

... uniqueidentifier SqlGuid GetSqlGuid() Next you'll see how to use some of the methods shown in Table 9.7. An Example of Using the GetSql* Methods Let's take a look at an example that reads the ProductID, ... GetSql *methods don't need to convert between SQL Server types and the standard C# types, which the Get* methods have to do. Tip If you are using SQL Serv...

Ngày tải lên: 24/12/2013, 01:17

... 26, 62S–71S. 11 Tuomanen E (1999) Molecular and cellular biology of pneumococcal infection. Curr Opin Microbiol 2, 3 5–3 9. 12 Berry AM & Paton JC (2000) Additive attenuation of virulence of Streptococcus ... inhibitor of the activity of LytA [23,24] and other CBPs [25]. Moreover, addition of an excess of choline to culture media inhibits daughter cell separ- ation and ind...

Ngày tải lên: 19/02/2014, 05:20