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Volumn 59, Issue 38, 2003, Pages 7565-7570

Reaction of 1,2-dibromoethane with primary amines: Formation of N,N′-disubstituted ethylenediamines RNH-CH2CH2-NHR and homologous polyamines RNH-[CH2CH2NR]n-H

Author keywords

Alkylation; Amines; Chelate ligands; Ethylenediamine; Polyethyleneimine

Indexed keywords

1,2 DIBROMOETHANE; 1,4 DI TERT BUTYLPIPERAZINE; 1,4 DIISOPROPYLPIPERAZINE; 1,4 DIMETHYLPIPERAZINE; 1,4 DIPHENYLPIPERAZINE; 1,4,7 TRI TERT BUTYL 1,4,7 TRIAZAHEPTANE; 1,4,7 TRIETHYL 1,4,7 TRIAZAHEPTANE; 1,4,7 TRIISOPROPYL 1,4,7 TRIAZAHEPTANE; 1,4,7 TRIMETHYL 1,4,7 TRIAZAHEPTANE; 1,4,7 TRIPHENYL 1,4,7 TRIAZAHEPTANE; 1,4,7,10 TETRAETHYL 1,4,7,10 TETRAAZADECANE; 1,4,7,10 TETRAISOPROPYL 1,4,7,10 TETRAAZADECANE; 1,4,7,10 TETRAMETHYL 1,4,7,10 TETRAAZADECANE; 1,4,7,10,13 PENTAISOPROPYL 1,4,7,10,13 PENTAAZATRIDECANE; AMINE; DIAMINE DERIVATIVE; N,N' DI TERT BUTYLETHYLENEDIAMINE; N,N' DIETHYLETHYLENEDIAMINE; N,N' DIETHYLPIPERAZINE; N,N' DIISOPROPYLETHYLENEDIAMINE; N,N' DIMETHYLETHYLENEDIAMINE; N,N' DIPHENYLETHYLENEDIAMINE; PIPERAZINE DERIVATIVE; POLYAMINE DERIVATIVE; POLYETHYLENEIMINE DERIVATIVE; UNCLASSIFIED DRUG;

EID: 0041829485     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4020(03)01149-9     Document Type: Article
Times cited : (14)

References (62)
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    • For reviews see: (a) Smith P.E.S. The Chemistry of Open-Chain Organic Nitrogen Compounds. Vol. I:1965;W.A. Benjamin, New York, (b) Spiegelberger G. Herstellung von Aminen. Müller E. 4th ed. Houben-Weyl, Methoden der organischen Chemie. Vol. XI/1:1957;24 Georg Thieme, Stuttgart, (c) Theodoridis G. Tetrahedron. 56:2000;2339-2358. (N-protective groups) (d) Wurziger H. Kontakte (Darmstadt). 3:1987;8-11. (monoalkylation of amines).
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    • Herstellung von Aminen
    • For reviews see: (a) Smith P.E.S. The Chemistry of Open-Chain Organic Nitrogen Compounds. Vol. I:1965;W.A. Benjamin, New York, (b) Spiegelberger G. Herstellung von Aminen. Müller E. 4th ed. Houben-Weyl, Methoden der organischen Chemie. Vol. XI/1:1957;24 Georg Thieme, Stuttgart, (c) Theodoridis G. Tetrahedron. 56:2000;2339-2358. (N-protective groups) (d) Wurziger H. Kontakte (Darmstadt). 3:1987;8-11. (monoalkylation of amines).
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    • For reviews see: (a). W.A. Benjamin, New York. Müller E. 4th ed. Georg Thieme, Stuttgart. (N-protective groups). (monoalkylation of amines)
    • For reviews see: (a) Smith P.E.S. The Chemistry of Open-Chain Organic Nitrogen Compounds. Vol. I:1965;W.A. Benjamin, New York, (b) Spiegelberger G. Herstellung von Aminen. Müller E. 4th ed. Houben-Weyl, Methoden der organischen Chemie. Vol. XI/1:1957;24 Georg Thieme, Stuttgart, (c) Theodoridis G. Tetrahedron. 56:2000;2339-2358. (N-protective groups) (d) Wurziger H. Kontakte (Darmstadt). 3:1987;8-11. (monoalkylation of amines).
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    • Unpublished results
    • A notable exception is the reaction of ethylenediamine with isopropyl bromide which gives only two readily separated products, N,N′ -diisopropylethylenediamine (57%) and N,N,N′ -tris-isopropylethylenediamine (8%). Denk, M. K.; Krause, M. J. Unpublished results.
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    • Schneider (Ref. 4a) obtained N,N′-dimethylethylenediamine from N,N′-disulfonylethylenediamine in 15% yield. See also (a) Boon W.R. J. Chem. Soc. 1947;307-318 (b) Braun J., Heider K., Müller E. Chem. Ber. 51:1918;737-741 (c) Johnson T.B., Bailey G.C. J. Am. Chem. Soc. 38:1916;2135-2145.
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    • Schneider (Ref. 4a) obtained N,N′-dimethylethylenediamine from N,N′-disulfonylethylenediamine in 15% yield. See also (a) Boon W.R. J. Chem. Soc. 1947;307-318 (b) Braun J., Heider K., Müller E. Chem. Ber. 51:1918;737-741 (c) Johnson T.B., Bailey G.C. J. Am. Chem. Soc. 38:1916;2135-2145.
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    • Schneider (Ref. 4a) obtained N,N′-dimethylethylenediamine from N,N′-disulfonylethylenediamine in 15% yield. See also (a)
    • Schneider (Ref. 4a) obtained N,N′-dimethylethylenediamine from N,N′-disulfonylethylenediamine in 15% yield. See also (a) Boon W.R. J. Chem. Soc. 1947;307-318 (b) Braun J., Heider K., Müller E. Chem. Ber. 51:1918;737-741 (c) Johnson T.B., Bailey G.C. J. Am. Chem. Soc. 38:1916;2135-2145.
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    • A runaway reaction occurred upon the addition of 5 mL of water to a mixture of isopropylamine (5 mol) with 1,2-dibromoethane (1 mol)
    • 3 filtration as described in the Section 3. Commercially available N,N′-diphenylethylenediamine (Aldrich D2, 700-4N, mp 65-67°C) contains ca. 2% of N,N′-diphenylpiperazine. Previously reported melting points (a)
  • 56
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    • 3 filtration as described in the Section 3. Commercially available N,N′ -diphenylethylenediamine (Aldrich D2, 700-4N, mp 65-67°C) contains ca. 2% of N,N′-diphenylpiperazine. Previously reported melting points (a) Schönberg A. Chem. Ber. 116:1983;2068-2073. (65-67°C) (b) Schönberg A. Chem. Ber. 117:1984;3388-3399. (64-66°C).
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    • Pure. (65-67°C). (64-66°C)
    • 3 filtration as described in the Section 3. Commercially available N,N′ -diphenylethylenediamine (Aldrich D2, 700-4N, mp 65-67°C) contains ca. 2% of N,N′-diphenylpiperazine. Previously reported melting points (a) Schönberg A. Chem. Ber. 116:1983;2068-2073. (65-67°C) (b) Schönberg A. Chem. Ber. 117:1984;3388-3399. (64-66°C).
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    • For a detailed discussion see Ref. 12a
    • For a detailed discussion see Ref. 12a.
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    • Quarternary ammonium salts were suggested as other possible side products by one referee. While we have no evidence for their formation under the reaction conditions employed, their formation under more forcing conditions seems indeed likely
    • Quarternary ammonium salts were suggested as other possible side products by one referee. While we have no evidence for their formation under the reaction conditions employed, their formation under more forcing conditions seems indeed likely.


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