... gift of propargyl and substituted propargyl alcohols. References and Notes: 1. GP Ellis, 'Chromenes. Chromanones and Chromones', Wiley, New York, 1977. 2. G. Ariamala and KK Balasubramanian. J.Chem.Soc.,Chem.Commun., 1988, 34. 3. PE Brown and Q. Islam, Tetrahedron Lett., 1987, 3047; P. Anastasis, PE Brown and WY Marcus, J.Chem.Soc.. Perkin Trans I, 1986, 1127. ...