... (C) The Chemical Society of Japan 1984 REGIOSELECTIVE SYNTHESIS OF 2,6- DICHLOROQUINOXALINE AND 2-CHLORO-6-IODOQUINOXALINE Gozyo SAKATA* and Kenzi MAKINO Central Research Institute, Nissan Chemical Ind., LTD. ... 1H -NMR, 13C-NMR, and Mass spectra compared with those of 6-or 7-halo-2-chloro- quinoxaline. References 1) Y. Ura, G. Sakata, K. Makino, Y. Kawamura, T. Ikai, and Y. Kawamura, Ger. Offen., 3 004 770. ...