... Tetrahedron Letters. Volume 22, Issue 37, 1981, Pages 3617-3620. ... Related acylations were also described. Download full text in PDF. Tetrahedron Letters, Vo1.22, No.37, PP 3617 - 3620, 1981 0040-4039/81/373617-0402.00/0 Printed in Great Britain 981 Pergamon Press Ltd. ...