8,9,10,11-Tetrahydro-7H-cycloocta[de]naphthalene-8,8,10,10-tetracarboxylic acid tetraethyl ester(59174-96-8) 13C NMR
Product Name8,9,10,11-Tetrahydro-7H-cycloocta[de]naphthalene-8,8,10,10-tetracarboxylic acid tetraethyl ester
CAS59174-96-8
Molecular FormulaC27H32O8
Molecular Weight484.54
InChIInChI=1S/C27H34O8/c1-5-26(6-2,22(28)34-24(30)31)15-19-13-9-11-18-12-10-14-20(21(18)19)16-27(7-3,8-4,17-26)23(29)35-25(32)33/h9-14H,5-8,15-17H2,1-4H3,(H,30,31)(H,32,33)
InChIKey HWZWVNZGNFYUCC-UHFFFAOYSA-N
SmilesC1=C2C3C(CC(CC)(CC)(C(OC(O)=O)=O)CC(CC)(CC)(C(OC(O)=O)=O)CC=3C=C1)=CC=C2
400 MHz in CDCl3
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![8,9,10,11-Tetrahydro-7H-cycloocta[de]naphthalene-8,8,10,10-tetracarboxylic acid tetraethyl ester(59174-96-8) <sup>13</sup>C NMR](http://www.hezefdc.com/Spectrum/59174-96-8_1HNMR_0.jpg)
1H NMR 399.65 MHz C27 H32 O8 6 wt% in CDCl3 8,8,10,10-tetrakis(ethoxycarbonyl)-8,9,10,11-tetrahydro-7H-cycloocta(de)naphthalene 
Assign. Shift(ppm)
A 7.745 B 7.295 C 7.122 D 4.627 E *1 4.311 F *1 4.15 G *1 4.14 J *1 4.069 K 3.540 L 2.731 M 2.284 N *2 1.293 P *2 1.222 J(D,K)=15.5HZ. J(L,M)=15.9HZ. J(J,E)=10.6HZ. J(J,N)=J(E,N)=7.1HZ. J(F,G)=10.8HZ. J(F,P)=J(G,P)=7.1HZ.
Hz ppm Int.3100.10 7.758 132 3098.88 7.754 132 3091.80 7.737 144 3090.58 7.734 134 2922.97 7.314 127 2916.02 7.297 171 2914.92 7.294 139 2907.84 7.276 136 2849.98 7.132 145 2848.75 7.129 142 2843.02 7.114 118 2841.67 7.111 111 1857.18 4.648 128 1841.67 4.609 134 1739.14 4.352 38 1732.06 4.334 115 1728.52 4.326 49 1724.98 4.317 115 1721.31 4.308 135 1717.77 4.299 42 1714.23 4.290 135 1707.03 4.272 43 1667.11 4.172 89 1665.77 4.169 94 1663.57 4.163 41 1659.91 4.154 259 1658.69 4.151 252 1652.71 4.136 264 1651.61 4.133 244 1647.83 4.124 33 1645.63 4.118 94 1644.53 4.115 83 1641.36 4.107 54 1634.16 4.089 139 1630.74 4.081 44 1627.08 4.072 137 1623.54 4.063 112 1619.87 4.054 46 1616.33 4.045 111 1609.25 4.027 35 1422.12 3.559 119 1406.49 3.520 109 1099.98 2.753 55 1084.23 2.713 64 920.29 2.303 123 904.42 2.264 104 529.54 1.326 31 523.80 1.311 489 521.12 1.304 55 516.72 1.293 966 509.52 1.275 466 501.10 1.254 32 495.24 1.240 509 492.31 1.232 50 488.16 1.222 1000 480.96 1.204 471
in CDCl3
![8,9,10,11-Tetrahydro-7H-cycloocta[de]naphthalene-8,8,10,10-tetracarboxylic acid tetraethyl ester(59174-96-8) <sup>13</sup>C NMR](http://www.hezefdc.com/Spectrum/59174-96-8_13CNMR_0.jpg)