Solve the following structures from their spectra. Correlate the NMR peaks with the structure. Make a summary tables for each (Both proton and C-13) and give a proper name for each compound.
|
Molecular Formula |
Proton chemical shifts (multiplicity, integration) multiplicity d-doublet t-triplet q-quartet m-multiplet |
Carbon Chemical
shifts (dept results, intensity) u-up n- not there d-down three results from bottom to top on dept spectra. |
|
a) C4H9Br |
1.0 (t,3) 1.7(d,3) 1.8(m,2) 4.1(m,1) |
12(unu,1) 26(unu,1) 34(und,1) 53(uuu,1) |
|
b) C4H8Br2 |
2.0(t,4) 3.4(t,4) |
31.0 (und,2) 32.5 (und,2) |
|
c) C3H7Br |
1.3 (d, 6) 3.8(m, 1) |
28.5(uuu,1) 45.4 (unu,2) |
|
d) C5H11Cl |
0.9 (d,6) 1.4(m,1),1.9(q,2) 3.6(t,2) |
22(unu,2) 26(uuu,1) 42(und,1) 43(und,1) |