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

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

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I<br />

R 1<br />

−<br />

O<br />

R 2<br />

( )n<br />

−<br />

( )n<br />

N<br />

O −<br />

H<br />

O −<br />

N<br />

Ref. 290<br />

+<br />

N<br />

+<br />

+<br />

OOH<br />

+<br />

H<br />

I<br />

H H<br />

O +<br />

N C<br />

NH2 R CO2Et Ref. 351<br />

Ref. 325<br />

Br<br />

Br<br />

CH3<br />

CH3 R<br />

I −<br />

CO 2Me<br />

C<br />

Et<br />

O<br />

N<br />

−<br />

H<br />

N<br />

OH<br />

209 367<br />

N<br />

211 368<br />

STRUCTURE AND SPECTRA OF NITRONES 187<br />

Me<br />

CH 3<br />

CH 3<br />

N<br />

Me<br />

Me<br />

Me<br />

Me<br />

Me<br />

O<br />

Ref. 341<br />

H<br />

+<br />

N<br />

O −<br />

207 365<br />

Me<br />

CH3<br />

CH3 N<br />

O<br />

N<br />

−<br />

+<br />

O<br />

O −<br />

Me<br />

N<br />

Me<br />

O<br />

N<br />

−<br />

H Br<br />

C Br<br />

+ +<br />

O<br />

N<br />

−<br />

+<br />

+<br />

CH3<br />

210 367<br />

O<br />

Ph<br />

NC<br />

CH 3<br />

CH 3<br />

Me<br />

Ref. 240 Ref. 319<br />

R = Si(CH3)3<br />

R = Ge(C 2H 5) 3<br />

R = Sn(n-C4H9)3<br />

R = HgCl<br />

R = P(O)Ph2<br />

R = PPh2<br />

Fig. 2.11 (cont<strong>in</strong>ued)<br />

O<br />

N<br />

N<br />

O<br />

N<br />

−<br />

+<br />

OH OMe<br />

N<br />

O− Ph<br />

Ar=Ph<br />

Ref. 346<br />

208 366<br />

O<br />

N<br />

−<br />

+<br />

CH 3<br />

R = SPh<br />

R = SePh<br />

R = SO2C6H 4-(p-CH 3)<br />

R = Cl<br />

+<br />

Ar

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