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KMID : 1059519900340060641
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Journal of the Korean Chemical Society
1990 Volume.34 No. 6 p.641 ~ p.645
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The Facile Synthesis of Pyrrolidinobenzenes from Succinaldehyde and Phenylenediamines using HFe(CO)4-
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Shim Sang-Chul
Woo Byung-Won
Doh Chil-Hoon
Choi Kui-Nam
Yeo Young-Kuk
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Abstract
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Ethanolic tetracarbonylhydridoferrate, HFe(CO)4-, combined with aqueous succinaldehyde is very efficient for the selective transformation of an amino group into a pyrrolidine ring. Phenylendiamines react with aqueous succinaldehyde in the presence of HFe(CO)4-, at room temperature under atmospheric pressure of carbon monoxide to give the corresponding pyrrolidines in moderate yields. In these reactions, the molar ratio of 1.0:1.0:1.0 of the ferrate-succinaldehydephenylenediamine system gave one pyrrolidine ring, and the case of 1.0:2.0:1.0 gave two pyrrolidine rings, selectively.
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