... Other users also viewed these articles. Opens document download manager. Do not show again. Downloading zip file containing 3 articles... JavaScript is disabled on your browser. Please enable JavaScript to use all the features on this page. Tetrahedron Letters. Volume 32, Issue 39, 23 September 1991, Pages 5317–5320. Cover image Cover image. Carbocyclisation of ω-ethylenic propargylic zinc reagents. ... JF Normant; Tetrahedron Lett., 27 (1986), p. 4427. ...