Table 4.
Signal | Functional group | Multiplicity | Chemical shift (ppm) |
---|---|---|---|
1 | I (t) –CH3 | t | 0.89–0.86 |
2 | H (m) –CH2- | m | 1.35–1.23 |
3 | G (m) –CH2–C–CO2– | m | 1.64–1.57 |
4 | D (m) –CH2–CO2- | m | 2.02–1.98 |
5 | E (m) –CH2–CO2– | m | 2.06–2.02 |
6 | F (dt) –C–CH2–C=C– | dt | 2.33–2.28 |
7 | C (t) –C=C–CH2–C=C– | t | 2.78–2.74 |
8 | L (m) –C=C–CH2–C=C–CH2–C=C | m | 2.81–2.78 |
9 | A (dd) –C–CH2–O–CO–C | dd | 4.15–4.06 |
10 | B (dd) –C–CH2–O–CO–C | dd | 4.30–4.26 |
11 | K (m) CH(–C–O–CO–C–)2 | m | 5.27–5.24 |
12 | J (m) C–HC=CH–C | m | 5.37–5.30 |
Signal multiplicity: s, singlet; d, doublet; t, triplet; m, multiplet; dt, doublet of triplets; dd, doublet of doublets. The signal number agrees with those in Figure 1.