Tetrahydrofuran → (3-Acetyl-4-ethoxy-4-oxobutylidene)bisphosphonic acid tetraethyl ester
Reaction equation
[C:19]([CH2:20][C:21](=[O:22])[CH3:23])(=[O:24])[O:25][CH2:26][CH3:27].[CH2:1]([CH3:2])[O:3][P:4]([O:5][CH2:6][CH3:7])(=[O:8])[C:9](=[CH2:10])[P:11]([O:12][CH2:13][CH3:14])([O:15][CH2:16][CH3:17])=[O:18].[CH2:28]1[CH2:29][CH2:30][C:31]2=[N:36][CH2:35][CH2:34][CH2:33][N:32]2[CH2:37][CH2:38]1.[CH2:39]1[O:40][CH2:41][CH2:42][CH2:43]1.[CH3:44][CH2:45][O:46][C:47](=[O:48])[CH3:49]>>[CH2:1]([CH3:2])[O:3][P:4]([O:5][CH2:6][CH3:7])(=[O:8])[CH:9]([CH2:10][CH:20]([C:19](=[O:24])[O:25][CH2:26][CH3:27])[C:21](=[O:22])[CH3:23])[P:11]([O:12][CH2:13][CH3:14])([O:15][CH2:16][CH3:17])=[O:18]
