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Posted: **Mon May 02, 2022 8:08 pm**

: 1 Ch120 Carbonyl C Ir Cm 2960 1720 1h Nmr 2 1 S 3h Che 1 1 S 9h 3 Ch3 Q Quartet Sept Se S Singlet D D 1 (30.26 KiB) Viewed 26 times

: 1 Ch120 Carbonyl C Ir Cm 2960 1720 1h Nmr 2 1 S 3h Che 1 1 S 9h 3 Ch3 Q Quartet Sept Se S Singlet D D 2 (26.55 KiB) Viewed 26 times

1. CH120 Carbonyl-C- IR (cm): 2960, 1720 1H NMR: 2.1 (s, 3H) CHE 1.1 (s. 9H) 3 CH3 q: quartet; sept: se s: singlet; d: doublet; t: triplet; symmetrical C- 2. C3H1204 IR (cm): 3100, 2960, 1730 1H NMR: double bond 6.9 (s, 2H) - CH = CH - 4.2 (q, 4H) 2 CH2 - 1.1 (t, 6H) 3 CHE
3. C3H502 COOH IR (cm): 3500-2500, 1750 1H NMR: 11.9 (s, 1H)-CH 2.3 (9, 2H) CH2 1.05 (t, 3H) 2 CHE se s: singlet; d: doublet; t: triplet; q: quartet; 4. C4H8O2 IR (cm): 2960, 1750 1H NMR: 4.1 (9, 2H) CH2 2.1 (s, 3H) CH3 1.1 (t, 3H) CHE