(8S,9S,10R,14S)-13-Ethyl-11-methylene-2,3,7,8,9,10,11,12,13,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17(6H)-one, CAS No. 54024-21-4

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(8S,9S,10R,14S)-13-Ethyl-11-methylene-2,3,7,8,9,10,11,12,13,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17(6H)-one CAS No.54024-21-4 / Cat No.EBD24579

Formula: C20H28O

Molecular Weight:284.44

Synonyms:

13-Ethyl-11-methylenegon-4-en-17-one

13b-Ethyl-11-methylenegon-4-en-17-one

13-ethyl-11-methylene-gon-4-en-17-one

(8S,9S,10R,14S)-13-Ethyl-11-methylene-2,3,7,8,9,10,11,12,13,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17(6H)-one

13-ethyl-11-methylene-gon-4-en-17-one

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Properties
NMR Spectrum

Properties

Density:

1.051 g/cm3
Melting point:

99-101 °C
Boiling point:

412.533 °C at 760 mmHg
Flashing point:

177.856 °C

NMR Spectrum

Prediction： IH NMR (600 MHz, CDC13): delta = 0.73 (t, J = 7.5 Hz, 3 H, 13-CH2CH3), 0.90- 0.98 (m, 1 H, 7-Ha), 1.06-1.13 (m, 1 H, 1-Ha), 1.21-1.28 (m, 1 H, 13-CHaHbCH3), 1.33 (t, J = 10.6 Hz, 1 H, 9-H), 1.35-1.45(m, 2 H, 2-Ha, 8-H), 1.51-1.66 (m, 4 H, 2-Hb, 14-H, 15-Ha, 13-CHaHbCH3), 1.75 (dq, J = 12.5 Hz, 3.4 Hz, 1 H, 7-Hb), 1.80 (d, J = 12.7 Hz, - -1 H, 12-Ha), 1.84-1.98 (m, 4 H, 3-H2, 6-Ha, 15-Hb), 2.08 (dt, J = 19.2 Hz, 8.7 Hz, 1 H, 16-Ha), 2.14-2.28 (m, 3 H, 1-Hb, 6-Hb, 10-H), 2.35-2.41 (m, I H, 16-Hb), 2.54 (d, J = 12.7 Hz, 1 H, 12-Hb), 4.80 (s, 1 H, H-CHaHb), 4.89 (d, J = 0.9 Hz, 1 H, H-CHaHb), 5.46 (s, I H, 4-H);

¹H NMR

¹³C NMR