Question

Q2. (6 x 2 points) Match the proper compound with the appropriate set of IR bands, provide structure, and assign the IR bands. Compounds: 2-pentanone, netophenone, 2-pheylpropanal. heptanole acid, 2-methylpropanamide, 1- aminooctane Structure Assignment a Sets of signals (in cm): Compound name 3070,2978, 2825, 2720, Phenoc 1724 b 3372, 3290, 2925 1-amino- loctane C 3300-2500 (broad). 2950, 1711 d 3060, 2985, 1690 e 3352.3170.2960, 1640 f 2964, 1717

Answer 1

2825,2920 - C-H 2- phenyl propanal Daoto,2918 Aldebycle C-H strtch 3070,2918 282232O 1724 c-H Strelch (alk 33 23 290 N- H stretch 1- aminoocteine 2 3872,3290 2025 auk -H 2925 sretch heptenoic Acid 3) 3300- 2sd broad O- H streteh. auk Hstretchi -7 conbonyl strete 29SO Acetophenane CH I690 cantong stetching PYomatic c-H stoedeh 4'8060 ,298s S060 1696 2985 auky c-H shetCh 2-methylpropanamide CH3 83 52,3170 2960 164o 38523130 NHZ N-H Stoetch 2960 cm ak -H Sheteh 1640 cm cob shretch

- 2964 alk C-H Scteh - 1317 CH-CHCHC 2-fentenone 2964 11717 Carbony streteh