CHEM 2211 1st Edition Lecture 8 Outline of Last Lecture I IR spectrum Outline of Current Lecture I test review Current Lecture Amines Common and IUPAC naming of amines in that order next to structures CH3NH2 Methyl Amine or MethylAmine CH3NHCH2CH2CH3 Methyl Propyl amine or N Methyl propylamine CH3CH2NHCH2CH3 diethylamine or N ethylethylamine CH3CH2CH2CH2NH2 1 butanamine or Butan 1 amine CH3CH2CHCH2CH2CH3 no common so N ethylhexan 3 amine NHCH2CH3 Newman projections Single bonds rotate freely because they are one dimensional Newman projections can show staggered or eclipsed confirmations Staggered eclipsed atoms are overlapping These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute To show all confirmations rotate only one of the atoms the front or back Usually fix the back atom the circle and rotate the front atom the lines Two types of strain are created from each confirmation steric strain is from bulky groups electron cloud repulsion in staggered confirmation torsional strain is from eclipsing bonds There are 6 confirmation in Newman projections 3 staggered 3 eclipse you get these by rotating the front in 60 degree rotations
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