80
X. LIU, J. WU, AND Z. SHANG
3-Methyl-1-butyl 3-methylbutanoate (Table 3, Entry 3). IR: 1467,
1
1738 cmꢀ1. H NMR (500 MHz, CDCl3, 25 ꢂC, TMS): d ¼ 0.9 (m, 12H, ꢀCH3),
1.1 (m, 2H, ꢀCH2), 1.5 (m, 1H, ꢀCH2), 1.6 (m, 1H, ꢀCH), 2.1 [d, 2H, J(H,
H) ¼ 3.5 Hz, ꢀCH2], 4.1 ppm [t, J(H, H) ¼ 6.9 Hz, 2H, ꢀCH2].
2-Methyl-1-butyl 2-methylbutanoate (Table 3, Entry 4). IR: 1463,
1
1737 cmꢀ1. H NMR (500 MHz, CDCl3, 25 ꢂC, TMS): d ¼ 0.9 (m, 9H, ꢀCH3), 1.2
(m, 5H, ꢀCH2 and ꢀCH3), 1.5 (m, 2H, ꢀCH2), 1.7 (m, 1H, ꢀCH2), 2.4 (m, 1H,
ꢀCH2), 3.9 (m, 1H, ꢀCH2), 4.0 ppm (m, 1H, ꢀCH2).
Hexyl hexanoate (Table 3, Entry 5). IR: 1467, 1739 cmꢀ1 1H NMR
.
(500 MHz, CDCl3, 25 ꢂC, TMS): d ¼ 0.9 [t, J(H, H) ¼ 7.9 Hz, 6H, ꢀCH3], 1.3 (m,
10H, ꢀCH2), 1.6 (m, 4H, ꢀCH2), 2.3 [t, J(H, H) ¼ 7.5 Hz, 2H, ꢀCH2], 4.1 ppm [t,
J(H, H) ¼ 6.7 Hz, 2H, ꢀCH2].
2-Ethylhexyl 2-ethylhexanoate (Table 3, Entry 6). IR: 1462, 1735 cmꢀ1
.
1H NMR (500 MHz, CDCl3, 25 ꢂC, TMS): d ¼ 0.9 (m, 12H, ꢀCH3), 1.3 (m, 12H,
ꢀCH2), 1.4 (m, 4H, ꢀCH2), 1.6 (m, 1H, ꢀCH), 2.3 (m, 1H, ꢀCH), 4.0 ppm [d,
J(H, H) ¼ 5.70 Hz, 2H, ꢀCH2].
Heptyl heptanoate (Table 3, Entry 7). IR: 1467, 1739 cmꢀ1 1H NMR
.
(500 MHz, CDCl3, 25 ꢂC, TMS): d ¼ 0.9 [t, J(H, H) ¼ 6.7 Hz, 6H, ꢀCH3], 1.3 (m,
14H, ꢀCH2), 1.6 (m, 4H, ꢀCH2), 2.3 [t, J(H, H) ¼ 7.5 Hz, 2H, ꢀCH2], 4.1 ppm [t,
J(H, H) ¼ 6.7 Hz, 2H, ꢀCH2].
Octyl octanoate (Table 3, Entry 8). IR: 1467, 1739 cmꢀ1 1H NMR
.
(500 MHz, CDCl3, 25 ꢂC, TMS): d ¼ 0.9 (t, J(H, H) ¼ 6.4 Hz, 6H, ꢀCH3), 1.3 (m,
18H, ꢀCH2), 1.6 (m, 4H, ꢀCH2), 2.3 [t, J(H, H) ¼ 7.5 Hz, 2H, ꢀCH2], 4.1 ppm [t,
J(H, H) ¼ 6.7 Hz, 2H, ꢀCH2].
1
Dodecyl dodecanoate (Table 3, Entry 9). IR: 1466, 1740 cmꢀ1. H NMR
(500 MHz, CDCl3, 25 ꢂC, TMS): d ¼ 0.9 [t, J(H, H) ¼ 6.9 Hz, 6H, ꢀCH3], 1.3 (m,
34H, ꢀCH2), 1.6 (m, 4H, ꢀCH2), 2.3 [t, J(H, H) ¼ 7.5 Hz, 2H, ꢀCH2], 4.1 ppm [t,
J(H, H) ¼ 6.7 Hz, 2H, ꢀCH2].
REFERENCES
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