... Download full text in PDF. Tetrahedron Letters,Vol.25,No.48,pp 5497500,1984 0040-4039/84 $3.00 + .00 Printed in Great Britain 984 Pergamon Press Ltd. TOTAL SYNTHESES OF (YCLOSEYCHELLENE AND (EYCHELLENE SC Welch~, JM Gruber, and PA Morrison Department of Chemistry, University of Houston, Houston, Texas 77004 Abstract. Total syntheses of (ycloseychellene (1) and (eychellene (2) from 2,5 dimethylcyclohexanone (3) are described. ...