... Download full text in PDF. Tetrahedron Letters,Vol.25,No.17,pp 1753756,1984 0040039/84 $3.00 + .00 Printed in Great Britain 984 Pergamon ... References 1. The chemistry of the thiol group, Vol II, Chapter 16, Ed. ... 3. M. Evers and L. Christiaens, Tetrahedron Lett., 24, 377 (1983). ...