NaOH in water; water-d2 Kinetics; temp. of soln. of educt in H2O/D2O adjusted to 5.+-.1°C, soln. of NaOH added rapidly to 0.2 M concn. of OH(1-), reacted for 1210 s; not isolated; monitored by NMR;

NaOH in water; water-d2 temp. of soln. of educts in H2O/D2O adjusted to 27.+-.1°C, soln.of NaOH added rapidly to 0.2 M concn. of OH(1-), reacted for 24 h / further intermediates; not isolated; monitored by NMR;