- Synthesis and biological activity of selective pipecolic acid-based TNF-alpha converting enzyme (TACE) inhibitors. Letavic, M.A., Axt, M.Z., Barberia, J.T., Carty, T.J., Danley, D.E., Geoghegan, K.F., Halim, N.S., Hoth, L.R., Kamath, A.V., Laird, E.R., Lopresti-Morrow, L.L., McClure, K.F., Mitchell, P.G., Natarajan, V., Noe, M.C., Pandit, J., Reeves, L., Schulte, G.K., Snow, S.L., Sweeney, F.J., Tan, D.H., Yu, C.H. Bioorg. Med. Chem. Lett. (2002)