... Henk JW van den Haak, Henk C. van der Plas,* and Beb van Veldhuizen Laboratory of Organic Chemistry, Agricultural University, De Dreijen 5, 6703 BC Wageningen, The Netherlands ... Page 2. Chichibabin Amination of 1,X-Naphthyridines J. Org. Chem., Vol. 46, No. ...