Figure 1. Spectra of 0.54 M 2-phenyl-2-butanol in CC14 in (a) the presence of 0.13 M tris
(dipivalomethanato) europium (III) and (b) 0.42 1, and (c) spectrum of 0.3 1, 2-dimethyl-exo …

Ion-pair return from the ion-pair intermediate (s) common to rrany-a-phenyl-7-methylallyl and
trans-a-methyl-y-phenylallylp-nitrobenzoates (I and II) gives the 7-phenylallyl isomer (II). In …

Conclusion The results we have described above show that protonated 2, 3-homotropone,
5, has the same structure in both the solid state and solution. Moreover, the bond lengths of …

Substrate concentration 0.003 M except as noted. 6 Average of two independent
experiments.= Substrate concentration 0.24 M. are first orderand ka> kt. Thus, ion-pair return …

Solvolysis ofl, 2-dimethyl-exo-2-norbornyl p-nitrobenzoate (I-OPNB) in 90% aqueous
acetoneinvolves exclu-sive alkyl-oxygen cleavage and is accompanied by ion-pair return …

6, 7-Dimethoxybenzonorbornadiene (1) has been prepared and converted to racemic and
optically active 6, 7-dimethoxy-2-benzonorbornenone (2). The latter was converted to 6, 7 …

Optically active 2-benzonorbornenone (1) has been converted to active l-methyl-2-
methylenebenzonorbornene (5) in five steps and the latter has been converted to active l, 2 …

The fragmentation of bicyclo [2.2. 1]-2-heptanol, endo-(I) and exo-(Ia), 1-methylbicyclo [2.2.
1]-2-heptanol, endo-(II) and exo-(IIa) and 2-methylbicyclo [2.2. 1]-2-heptanol, endo-(III) has …

Racemic and optically active l-methyl-5-norbornen-2-one (2) have been converted intol, 2-
dimethyl-5-norbornen-exo-2-yl derivatives (9) and l, 2-dimethyl-5-norbornen-eredo-2-ol (4) …

Sažetak Secondary (:\-deuterium isotope effects have been shown to be remarkably
constant with change of solvent1. The ratio, kH/kD,, was 1.22 in solvolysis of 1-phenylethyl …