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Nitrile Oxides, Nitrones, and Nitronates in Organic Synthesis : Novel ...

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152 NITRONES: NOVEL STRATEGIES IN SYNTHESIS<br />

HO<br />

HO<br />

OH<br />

OH<br />

R 1<br />

OH OH<br />

O<br />

N<br />

R2 O<br />

OH<br />

R 2<br />

N<br />

O<br />

OH<br />

O<br />

Ref. 177<br />

O<br />

OH<br />

OH<br />

OH<br />

N<br />

R3 O− +<br />

−O N<br />

R1 +<br />

OH<br />

OH<br />

OH<br />

OH<br />

O<br />

R 2<br />

OH<br />

HN<br />

O<br />

HN<br />

O −<br />

N<br />

+<br />

H<br />

F2 C<br />

F3C C<br />

F2<br />

Ref. 181 Ref. 181<br />

N<br />

H<br />

RHN<br />

N<br />

Ref. 185<br />

N<br />

N<br />

O<br />

S<br />

−<br />

+<br />

H<br />

Me<br />

H<br />

F 2<br />

C<br />

+<br />

N<br />

O− C<br />

F2<br />

−O N<br />

R1 +<br />

O N<br />

N<br />

O− O<br />

O<br />

N<br />

C17H35 C17H35 H<br />

H<br />

+<br />

Ref. 174<br />

H<br />

N<br />

O<br />

O<br />

O<br />

F<br />

F<br />

F F<br />

F<br />

F F<br />

F F<br />

Ref. 174<br />

F2 F2 C C<br />

C<br />

F2<br />

O<br />

HN<br />

O<br />

N<br />

H<br />

H<br />

N<br />

O<br />

NH<br />

O<br />

Ref. 175<br />

R HO 1<br />

R 2<br />

Fig. 2.5 (cont<strong>in</strong>ued)<br />

N<br />

N<br />

Ref. 182<br />

N<br />

F<br />

O<br />

PhO N R<br />

−<br />

OH<br />

+<br />

R = Ph-<br />

R = 4-NO 2-C 6H 4-<br />

R = (CH 3) 3C-<br />

R = CH 3-<br />

Ref. 186<br />

F<br />

F<br />

F<br />

−O +<br />

N<br />

Me

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