Carboxylic acids & esters

... 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 Carboxyli...

Ngày tải lên: 15/03/2014, 22:01

... group and 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 ... comes from the alcohol & is named after it let’s name some esters! Structural formulae Although the previous structural formula are the clearest way of showing esters, they c...

Ngày tải lên: 15/03/2014, 22:01

... 4 Esters of Carboxylic Acids – Conventional Methods Esterification of polysaccharides with carboxylic acids and carboxylic acid deriva- tives is among the ... 8.0 Toluene 1.5 105 2.9 [110] 52 4 Esters of Carboxylic Acids – Conventional Methods carboxylic acid esters with unsaturated side chains, e.g. cinnamic acid esters, are used for cross-linking ... reactivity is obse...

Ngày tải lên: 25/10/2013, 16:20

... 1 RC RC O O O O R' R' •• •• • • • • • • • • •• •• O O • • • • + + H H H H H H 20.6 20.6 Sources of Esters Sources of Esters Step 1 Step 1 Step 1 Step 1 RC RC O O O O R' R' •• •• • • • • • • • • •• •• O O • • • • + + H H H H H H •• •• RC RC O O O O R' R' •• •• • • • • + + H H • • • • O O • • • • H H H H ... 5 •• •• RC RC OH OH O O •• •• • • • • OH OH •• ••...

Ngày tải lên: 15/03/2014, 23:13

... ACID CARBOXYLIC H N ƯƠ Ỗ CH CỨ CH CH 3 3 CCH CCH 2 2 CCH CCH 3 3 O O O O CH CH 3 3 C C OH OH CHCCH CHCCH 3 3 O O (20%) (20%) (80%) (80%) R R 2 2 CHCR' CHCR' O O R R 2 2 C C CR' CR' OH OH Enol<1% Enol<1% ceto ceto ... CỨ CH CH 3 3 CCH CCH 2 2 CCH CCH 3 3 O O O O CH CH 3 3 C C OH OH CHCCH CHCCH 3 3 O O (20%) (20%) (80%) (80%) R R 2 2 CHCR' CHCR' O O R R 2...

Ngày tải lên: 05/10/2012, 12:17

... *. Fatty acids less than 0.1%: C15:0, C17:0, C21:1 *. SFA: saturated fatty acids *. PUFA: polyunsaturated fatty acids *. TFA: trans fatty acids * .MUFA: monounsaturated fatty acids The ... triplicates. *. Fatty acids less than 0.1%: C15:0, C17:0, C21:1 *. SFA: saturated fatty acids *. PUFA: polyunsaturated fatty acids *. TFA: trans fatty acid* .MUFA: monounsaturate...

Ngày tải lên: 28/08/2013, 16:28

... correlation coefficient (r) between emission parameters and biodiesel properties "X" variable "Y" variable Correlation coefficient NO X 0.986 CO 0.817 HC 0.773 % of US ... correlation coefficient (r) between biodiesel properties and combustion parameters "X" variable "Y" variable Correlation coefficient Start of dynamic injection bTDC 0.360...

Ngày tải lên: 05/09/2013, 15:28

... xuất R'X là nguyên liệu cơ bản để điều chế acid carboxylic. Ester malonic ROOCCH 2 COOR là nguyên liệu phụ trợ cơ bản để chuyển dẫn xuất halogen R'X thành R'CH 2 COOH. R'CH 2 COOHR'X ... thành acid carboxylic. 260 ROOCCH 2 COOR + C 2 H 5 O - ROOCCHCOOR - + C 2 H 5 OH + X - - ROOCCHCOOR R' ROOCCHCOOR + R'X H + + 2H 2 O + 2ROH HOOCCHCOOH R'...

Ngày tải lên: 19/10/2013, 08:20

... 273 4.2. Danh pháp Đọc tên acid nhng thay tiếp vĩ ngữ của acid " ic" thành "yl" hoặc "oic"thành " oyl" và đọc tên của halogen CH 3 COCl Acetyl clorid, Etanoyl ... RCCl O RCR' O RCR' OMgX R' RCR' OH R' R'MgX R'MgX H 2 O 4.3.3. Hợp chất halogenid acid là tác nhân acyl hóa tạo ceton,ester RCCl O RC O + HCl AlCl...

Ngày tải lên: 19/10/2013, 09:20