Reaction of Furan and Thiophene
Reaction of Furan and Thiophene
Reaction of Furan and Thiophene
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4) Lithiation<br />
X<br />
X = O, S<br />
BuLi<br />
X<br />
Li<br />
RX<br />
X<br />
R<br />
5) Diazocoupling:<br />
<strong>Furan</strong> <strong>and</strong> thiophene can not couple with diazonium salts<br />
which shows that they are less reactive than pyrrole.<br />
O<br />
Ar N=N + Cl -<br />
No <strong>Reaction</strong><br />
S<br />
Heterocyclic Chemistry