3,4-dihydro-5,6,7-trimethoxy-2-naphthoic acid
产品名称 3,4-dihydro-5,6,7-trimethoxy-2-naphthoic acid
CAS号69791-82-8
分子式C14H16O5
分子量264.27
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MassMS-IW-0779 5,6,7-trimethoxy-3,4-dihydro-2-naphthoic acid C14H16O5 (Mass of molecular ion: 264)
Source Temperature: 150 °C Sample Temperature: 130 °C Direct, 75 eV
18.0 1.5 77.0 1.5 89.0 1.6 90.0 1.1 91.0 2.1 102.0 1.0 103.0 1.1 115.0 3.1 117.0 2.9 118.0 1.9 127.0 1.9 128.0 1.0 131.0 1.6 132.0 1.2 133.0 1.3 143.0 1.5 144.0 1.0 145.0 5.0 146.0 1.7 159.0 1.9 160.0 1.8 161.0 3.8 162.0 1.0 173.0 2.6 174.0 2.2 175.0 3.3 176.0 1.1 181.0 1.4 188.0 5.3 189.0 9.2 190.0 2.1 203.0 2.6 204.0 2.5 205.0 1.1 217.0 2.2 219.0 9.6 220.0 1.5 221.0 3.6 232.0 1.1 233.0 2.4 247.0 1.3 249.0 35.9 250.0 5.3 254.0 1.0 262.0 1.3 263.0 2.1 264.0 100.0 265.0 15.3 266.0 2.6
400 MHz in CDCl3
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1H NMR 399.65 MHz C14 H16 O5 0.035 g : 0.5 ml CDCl3 5,6,7-trimethoxy-3,4-dihydro-2-naphthoic acid 
Assign. Shift(ppm)
A 11. B 7.587 C 6.631 D *1 3.916 E *1 3.869 F *1 3.861 G 2.853 J 2.577
Hz ppm Int.3033.42 7.591 70 3032.14 7.587 126 3030.67 7.584 70 2650.24 6.632 181 1565.34 3.917 992 1554.35 3.890 32 1546.47 3.870 714 1543.18 3.862 1000 1535.30 3.842 29 1149.55 2.877 63 1141.31 2.856 128 1132.52 2.834 92 1037.27 2.596 59 1035.99 2.593 60 1028.48 2.574 103 1027.20 2.571 84 1020.05 2.553 46
in CDCl3
KBr disc
nujol mull
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