[NH2:1][C:2]([CH3:6])([CH3:5])[CH2:3][OH:4].[CH:7]1[CH:12]=CC=C[CH:8]=1>CC(C)=O>[CH3:8][C:7]1([CH3:12])[NH:1][C:2]([CH3:6])([CH3:5])[CH2:3][O:4]1Firstly, the precursor compound (2,2,4,4-tetramethyl-1,3-oxazolidine was prepared. To 237 g (3.0 mole) of 2-amino-2-methyl-1 -propanol, there was added approximately 750 ml of dry benzene containing 174 g (3.0 mole) of acetone.
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