Ethylene Glycol → 3-Hydroxy-5beta-estran-17-one ethylene ketal

Reaction equation

[OH:1][CH:2]1[CH2:19][CH2:18][C@H:17]2[C@H:4]([CH2:5][CH2:6][C@@H:7]3[C@@H:16]2[CH2:15][CH2:14][C@@:12]2([CH3:13])[C@H:8]3[CH2:9][CH2:10][C:11]2=[O:20])[CH2:3]1.[CH2:21](O)[CH2:22][OH:23].C1(C)C=CC(S([O-])(=O)=O)=CC=1.[NH+]1C=CC=CC=1.CCOC(C)=O.CCCCCC>C1C=CC=CC=1.CCOC(C)=O>[CH2:22]1[O:23][C:11]2([CH2:10][CH2:9][C@H:8]3[C@H:7]4[C@H:16]([CH2:15][CH2:14][C@:12]23[CH3:13])[C@@H:17]2[C@@H:4]([CH2:3][CH:2]([OH:1])[CH2:19][CH2:18]2)[CH2:5][CH2:6]4)[O:20][CH2:21]1