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Handbook of Functionalized Organometallics Applications in S

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434<br />

10 Functional Organonickel Reagents<br />

MOMO<br />

H<br />

O<br />

O H<br />

H<br />

O O<br />

+<br />

O<br />

MeO 2C<br />

CO 2Me<br />

OBn<br />

Et 3SiH<br />

Ni(COD) 2/PPh3 59%<br />

CO 2Me<br />

CO2Me +<br />

O<br />

Ph H<br />

OMe<br />

MOMO<br />

Et 3SiH<br />

Ni(COD) 2/PPh3 67%<br />

DIBAL(acac)<br />

Ni(COD) 2/PPh3 75%<br />

Ni(COD) 2/PPh3,DIBAL(acac) 1,3-cyclohedadiene<br />

54%<br />

Et3B Ni(acac) 2<br />

91%<br />

Et2Zn + CHO<br />

Ni(acac) 2<br />

80% (syn:anti 1:>20)<br />

+<br />

n<br />

O OH<br />

CHO<br />

Et3B Ni(acac) 2<br />

99%<br />

Ni(acac) 2<br />

Et3B or Et2Zn Et2Zn, n = 1 72%<br />

Et3B, n = 2 68%<br />

n<br />

OSiMe 3<br />

OH<br />

OH<br />

HO<br />

Ph<br />

CO 2Me<br />

OH<br />

OH<br />

CO 2Me<br />

OH<br />

HO<br />

HO<br />

OBn<br />

OBn<br />

O O<br />

OSiEt 3<br />

OMe<br />

OMe<br />

OH<br />

Prostagland<strong>in</strong> F 2α<br />

OH<br />

CO 2Me<br />

CO 2Me<br />

CO 2H

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