Tetrahedron Letters,Vol.24,No.l6,pp 1719-1722,1983 0040-4039/83/161719-04$03.00/O Printed in Great Britain ... A SYNTHESIS OF ALKYNYL AZACYCLOALKANES BY THE COUPLING REACTION OF ALKYNYL BORANES AND LACTAMS ... Masahiko Yamaguchi* and Ichiro Hirao Department of Industrial Chemistry, Kyushu Institute of Technology, Sensui-cho, Tobata, Kitakyushu 804, JAPAN ... Abstract: Alkynyl azacycloalkanes are synthesized in good yields by the ...