Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... This paper is dedicated to Professor Alan R. Katrisky on the occasion of his 70th birthday. ... Lithiation of iodopyrazine and 4-iodo-2-methylthiopyrimidine followed by reaction with various electrophiles was successfully achieved and was used to synthesize new pyrazine and ...