... Volume 23, Issue 46, 1982, Pages 4809-4812. ... Download full text in PDF. Tetrahedron Letters,Vo1.23,No.46,pp 4809-4812,1982 0040-4039/82/464809-04 ... carried out without base using Pd-PPh3 catalyst, J. Tsuji, H. Kataoka, Y. Kobayashi, T. Takahashi, Tetrahedron Lett., 3393 ...