... Michigan 48824, USA. Received 1 September 1983, Available online 2 April 2001. Abstract. The preparation of certain 1,4-dilithio-tetrahaloarenes is described; they react with electrophiles at low temperatures or form arynes at higher temperatures. References. 1; H. Hart, CY. Lai, G. Nwokogu, S. Shamouilian, A. Teuerstein, C. Zlotogorski; J. Am. Chem. Soc., 102 (1980), p. 6649. ...