A.D. Palkowitz et al.,J. Med. Chem. 40 , 1407 (1997).
N.H. Hauel, H. Nar, H. Priepe, U. Ries, J.-M. Stassen, W. Wienen,J. Med.
Chem. 45 , 1757 (2002).
For general method see, T. Fujita, K. Wada, M. Oguchi, H. Yanagisawa,
K. Fujimoto, T. Fujiwara, H. Horikoshi, T. Yoshioka, U.S. Patent 5,886,014
(1999) and T. Fujita, T. Yoshioka, T. Fujiwara, M. Ogichi, H. Yanagisawa
H. Horikoshi, K. Wada, K. Fujimoto, U.S. Patent 6,117,893 (2000).
G. Bietti, F. Borsini, M. Turconi, E. Giraldo, M. Bignotti, U.S. Patent
5,576,318 (1996).
R.W. Feenstra, J. de Moes, J.J. Hofma, H. Kling, W. Kuipers, S.K. Long,
M.T.M. Tulp, J.A.M. van der Heyden, C.G. Kruse,Bioorg. Med. Chem.
Lett. 11 , 2345 (2001).
R.A. Stokbroekx, M.G.M. Luyckx, F.E. Janssens, U.S. Patent 4,861,785
(1989).
R.A. Stokbroekx, G.A.J. Grauwels, U.S. Patent 5,434,168.