Ammonium → ethyl 5-methyl-2-oxo-5-(tetrahydro-2H-pyran-2-yloxy)hex-3-ynoate

反応式

[C:18]([C:19](=[O:20])[O:21][CH2:22][CH3:23])(=[O:24])[O:25][CH2:26][CH3:27].[CH2:1]([Li:2])[CH2:3][CH2:4][CH3:5].[CH3:30][CH2:31][CH2:32][CH2:33][CH2:34][CH3:35].[CH3:36][CH2:37][O:38][CH2:39][CH3:40].[CH3:6][C:7]([C:8]#[CH:9])([CH3:10])[O:11][CH:12]1[O:13][CH2:14][CH2:15][CH2:16][CH2:17]1.[Cl-:28].[NH4+:29]>>[CH3:6][C:7]([C:8]#[C:9][C:18]([C:19](=[O:20])[O:21][CH2:22][CH3:23])=[O:24])([CH3:10])[O:11][CH:12]1[O:13][CH2:14][CH2:15][CH2:16][CH2:17]1