400 MHz in CDCl3
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1H NMR 399.65 MHz C21 H28 O2 saturated in CDCl3 17beta-hydroxy-17alpha-pregn-4-en-20-yn-3-one 
Assign. Shift(ppm)
A 5.733 B 2.576 C 2.43 D 2.39 E 2.36 F *1 2.31 G 2.28 J 2.05 K *1 2.01 L 1.852 M 1.73 N *2 1.70 P 1.66 Q 1.75 to 1.63 R 1.61 S 1.59 T 1.49 U 1.43 V *2 1.36 W 1.201 X 1.06 Y 0.98 Z 0.898 ASSIGNED BY H-H COSY.
Hz ppm Int.2293.82 5.740 157 2293.58 5.739 157 2292.72 5.737 159 2292.36 5.736 160 2291.75 5.735 162 1030.03 2.578 667 974.12 2.438 86 969.12 2.425 86 959.84 2.402 124 954.96 2.390 127 953.13 2.385 69 952.76 2.384 66 952.27 2.383 65 951.78 2.382 62 949.22 2.376 69 948.36 2.373 79 947.27 2.371 95 946.53 2.369 104 944.09 2.363 80 943.24 2.361 74 935.67 2.342 63 930.18 2.328 67 929.93 2.327 67 925.90 2.317 70 921.75 2.307 95 920.41 2.304 124 918.58 2.299 81 916.14 2.293 115 911.99 2.282 66 906.49 2.269 75 905.76 2.267 59 825.56 2.066 52 817.14 2.045 60 815.43 2.041 69 813.11 2.035 80 812.38 2.033 79 810.30 2.028 62 807.01 2.020 54 805.30 2.016 68 801.39 2.006 66 799.32 2.001 57 705.69 1.766 55 705.08 1.765 59 700.07 1.752 86 695.56 1.741 58 694.82 1.739 59 694.21 1.738 55 691.04 1.730 129 686.40 1.718 143 683.84 1.712 58 683.47 1.711 57 678.10 1.697 84 675.42 1.691 133 674.07 1.687 101 672.36 1.683 82 669.92 1.677 67 667.60 1.671 67 666.75 1.669 64 664.92 1.664 117 663.33 1.660 67 663.09 1.660 67 661.87 1.657 80 660.77 1.654 87 659.67 1.651 101 656.86 1.644 63 656.37 1.643 62 654.42 1.638 86 651.73 1.631 55 650.27 1.628 63 642.21 1.607 698 640.26 1.603 72 639.89 1.602 69 636.23 1.592 53 628.78 1.574 81 625.49 1.566 56 625.00 1.564 52 610.47 1.528 57 598.63 1.498 79 591.67 1.481 88 588.26 1.472 63 580.81 1.454 82 580.20 1.452 70 576.05 1.442 57 563.11 1.410 81 551.39 1.380 82 545.78 1.366 73 539.55 1.351 59 534.18 1.337 56 480.83 1.204 937 406.86 1.019 60 402.71 1.008 64 392.46 0.983 56 392.09 0.982 57 359.62 0.900 979 359.13 0.899 1000
KBr disc
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