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List of used abbreviations - RosDok - Universität Rostock

List of used abbreviations - RosDok - Universität Rostock

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l a u 4-FC6H4 H Me H 40<br />

m a v 4-FC6H4 Me Me H 33<br />

a Yields <strong>of</strong> isolated products<br />

4f<br />

TiCl 4<br />

Me 3SiO O<br />

Ph + Me<br />

A 1, major<br />

Me 3SiO O<br />

_<br />

Ph + Me<br />

A 2, minor<br />

_<br />

TiCl 4<br />

TiCl 4<br />

19<br />

3b<br />

3b<br />

MeO 2C<br />

Me<br />

SPh<br />

Ph Me<br />

5h<br />

SPh<br />

Ph Me<br />

iso-5h<br />

Me<br />

CO 2Me<br />

Scheme 4. Possible explanation for the regioselective formation <strong>of</strong> 5h,k<br />

4e<br />

TiCl 4<br />

_<br />

TiCl 4<br />

Me3SiO O<br />

+<br />

Pr Me<br />

less sterically<br />

hindered<br />

3a<br />

MeO 2C<br />

SPh<br />

Pr Me<br />

5e

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