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A Convenient Route to 3-Pyrroline Utilizing the DelÚpine Reaction

Svante Brandńnge*, Benito Rodriguez

*Department of Organic Chemistry, Arrhenius Laboratory, University of Stockholm, S-10691 Stockholm, Sweden, Email: svanteorgan.su.se

S. Brandńnge, B. Rodriquez, Synthesis, 1988, 347-348.

DOI: 10.1055/s-1988-27571


Abstract

3-Pyrroline has been prepared from (Z)-1,4-dichloro-2-butene in three steps in an overall yield of 74%. The DelÚpine Reaction permitted the monoamination of the substrate in practically quantitative yields. The subsequent ring-closing reaction was less efficient.



Key Words

DelÚpine Reaction, Allylamines, 3-Pyrrolines


ID: J66-Y1988-080