CHAPTER 16 - CHAPTER 16 ALDEHYDES & KETONES - -...

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CHAPTER 16 ALDEHYDES & KETONES - - INTRODUCTION, NOMENCLATURE - - PHYSICAL PROPERTIES - - SYNTHESIS OF : - - RCHO - - RCOR’ - - REACTIONS: ADDITION TO ( C = O ) GROUP - - GENERAL MECHANISM - - ADDITION OF : - - ROH - - NH 3 - - HCN - - YLIDES ( WITTIG REACTION ) - - R-M REAGENT - - OXIDATION - - ANALYSIS: - - CHEMICAL - - SPECTRAL
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INTRODUCTION AL DEHYDE KET ONE ALKAN AL ALKAN ONE - - SEE e.g. p. 718, 719 - - DO PROBLEMS : 16.1, p. 717 16.23 p. 757 PHYSICAL PROPERTIES - - SEE p. 719 - - DO PROBLEM : 16.2 p. 719 - - SEE TABLE 16.1 p. 720 SYNTHESIS OF ALDEHYDES: 1] FROM: R-CH 2 OH - - REAGENT(S) = ? R C H O R C R' O
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2] FROM: RCOCl , RCO 2 R’ , R-C≡N - - REAGENTS = ? - - NOT LAH ! - - WHY ? - - TOO REACTIVE ! ( WILL GIVE RCH 2 OH ) SO ? - - NEED LESS REACTIVE REDUCING AGENT - - SEE p. 721 1] Li Al ( O - t -Bu ) 3 H ( NAME ? ) 2] i -Bu 2 AlH ( NAME : DIB AL – H ” ) REACTION MECHANISMS: SIMILAR TO LAH SYNTHESIS OF KETONES : 1] FROM >C=C< : HOW ? 2] FROM ArH : HOW ? 3] FROM 2° ALCOHOLS : HOW ? ( R – CHOH – R’ )
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4] FROM – C ≡ C – : - - REAGENTS: Hg SO 4 ( aq ) + H 2 SO 4 - - ADDITION OF WATER ( 1 MOL ) à VINYL
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This note was uploaded on 04/14/2008 for the course CHEM 2380 taught by Professor Dandekar during the Winter '07 term at North Texas.

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CHAPTER 16 - CHAPTER 16 ALDEHYDES &amp; KETONES - -...

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