... Download full text in PDF. Tetrahedron Letters,Vol.26,No.13,pp 1661664,1985 0040-4039/85 $3.00 + .00 Printed in Great Britain 01985 Pergainon Press Ltd. ... d) S. Kim, JI Lee, and YK Ko, Tetrahedron Lett., 4943 ... 2. D. Barton and WD Ollis, Comprehensive Organic Chemistry, vol. ...