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Angewandte Fluororganische Chemie: Synthese ... - Fluorine

Angewandte Fluororganische Chemie: Synthese ... - Fluorine

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• Herstellung der Reagenzien<br />

N<br />

N<br />

CH 2 Cl 2 , BF 3 ,<br />

10% F 2 /N 2<br />

N +<br />

CH2Cl N +<br />

F<br />

N<br />

2BF 4 -<br />

CH 3 CN, BF 3 ,<br />

10% F 2 /N 2<br />

• Mechanismus der „elektrophilen“ Fluorierung<br />

Nu<br />

R3N F + + Nu<br />

R 3 N +<br />

F<br />

CT-Komplex<br />

S O<br />

O<br />

NNa<br />

S<br />

O O<br />

P. KIRSCH: <strong>Angewandte</strong> fluororganische <strong>Chemie</strong>: <strong>Synthese</strong>, Pharmazeutika, Flüssigkristalle 24<br />

N +<br />

F<br />

B 2 F 7 -<br />

e - -Transfer<br />

F . -Transfer<br />

10% F 2 /N 2 ,<br />

CHCl 3 /CFCl 3<br />

R 3 N + Nu<br />

• Reaktionen mit CH-aciden Verbindungen und aktivierten Aromaten<br />

O<br />

C<br />

H 3<br />

COOEt<br />

F<br />

COOEt<br />

F<br />

NHCOMe<br />

F<br />

C<br />

H 3<br />

OAc<br />

N +<br />

CH2Cl N +<br />

F<br />

2BF 4 -<br />

AcO<br />

C<br />

H 3<br />

F<br />

O<br />

C<br />

H 3<br />

F<br />

O<br />

F<br />

F<br />

S O<br />

O<br />

NF<br />

S<br />

O O

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