... Download full text in PDF. Tetrahedron Letters Vol. 21, pp 551 - 554 0040-4039/80/0201-0551 $02.00/0 erg-amon Press Ltd. 1980. Printed in Great Britain HYDROGENATIONS OF TRIACETIC ACID LACTONE. A NEW SYNTHESIS OF THE CARPENTER BEE (Xylocopa hirsutissima) SEX PHEROMONE R. Bacardit and M. Moreno-Mas* Departamento de Quimica Orgica. Universidad Automa de Barcelona. Cerdanyola. Barcelona. Spain. ...