Piperine(94-62-2) IR1
Molecular FormulaC17H19NO3
Molecular Weight285.34
InChIInChI=1S/C17H19NO3/c19-17(18-10-4-1-5-11-18)7-3-2-6-14-8-9-15-16(12-14)21-13-20-15/h2-3,6-9,12H,1,4-5,10-11,13H2/b6-2+,7-3+
InChIKey MXXWOMGUGJBKIW-YPCIICBESA-N
SmilesC(N1CCCCC1)(=O)/C=C/C=C/C1=CC=C2OCOC2=C1
400 MHz in CDCl3
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1H NMR 399.65 MHz C17 H19 N O3 0.034 g : 0.5 ml CDCl3 trans,trans-5-(1,3-benzodioxol-5-yl)-1-piperidino-2,4-pentadien-1-one 
Assign. Shift(ppm)
A 7.404 B 6.979 C 6.887 D 6.778 E 6.75 F 6.737 G 6.444 J 5.971 K 3.58 L 1.66 M 1.58
Hz ppm Int.2971.68 7.436 43 2969.48 7.431 41 2963.75 7.416 41 2961.43 7.411 48 2957.03 7.400 47 2954.35 7.393 39 2949.46 7.381 42 2946.78 7.374 48 2790.16 6.982 186 2788.57 6.978 203 2757.81 6.901 94 2756.10 6.897 87 2749.76 6.881 130 2748.05 6.877 124 2711.91 6.786 258 2703.86 6.766 190 2697.63 6.750 380 2695.31 6.745 144 2689.94 6.731 138 2581.79 6.461 191 2567.14 6.424 137 2386.47 5.972 1000 1451.66 3.633 54 1451.29 3.632 54 1450.68 3.630 54 1450.20 3.629 54 1449.46 3.627 54 1448.85 3.626 53 1446.90 3.621 51 1445.92 3.618 49 1442.99 3.611 42 1441.89 3.608 40 1440.67 3.605 38 1437.26 3.597 32 1435.79 3.593 31 1435.18 3.592 30 1434.69 3.590 30 1434.33 3.589 30 1433.84 3.588 30 1428.34 3.574 30 1427.98 3.574 30 1427.25 3.572 30 1424.93 3.566 32 1423.83 3.563 34 1423.46 3.562 34 1421.51 3.557 37 1415.77 3.543 49 1413.57 3.538 52 1412.72 3.535 53 1412.23 3.534 53 1411.01 3.531 53 1410.40 3.530 53 1409.67 3.528 53 1407.35 3.522 49 673.10 1.685 42 671.02 1.680 44 665.77 1.666 85 660.77 1.654 91 657.84 1.647 62 655.76 1.641 62 643.43 1.610 83 638.18 1.597 154 633.18 1.585 190 627.81 1.571 105 622.31 1.558 43
CCl4 solution
KBr disc
4880 A,150M,powder
