Solutions_Manual_for_Organic_Chemistry_6th_Ed 442

Solutions_Manual_for_Organic_Chemistry_6th_Ed 442 - 18-73...

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18-73 continued 1 : 1 -H C + .±² 1-_³ / " Me Et : 3 V h p . Ii H20 C •• / ± Me ET :0: iI C / ² Me Et B ´ o r O } " c / " Me Et ±8²74 ±he s²rong U absoRption at 220 nm IndIcates a conjugaTed Aldehyde or ketone. ±he IR shows A strong caRbonyl at ±690 ³m-´, alKene At ±625 ³mµ´, And ²Wo peAks At 2720 ³¶·´ And 28 ±0 ³m¸´ ¹ALdeºYDe! o ±i C=C±C²h ±he N shoWs The aldehyde proTon aT ³ 9.5 spl»T InTo A douBlet, so It has oNe neighBorIng ±here are only tWo vinyl protons, so there must Be An AlKyl group co¶¼ng off the b c½rbon¾
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