... Volume 30, Issue 19, 1989, Pages 2525-2528. ... Download full text in PDF. Tetrahedron Letters,Vol.30,No.19,pp 2521-2524,1989 0040-4039/89 $3.00 + .00 Printed in Great Britain ... Support 8 was then treated with 12 in CH3CN/R20/collidios (65:6:30) to give the oxidized support 2 ...