SILICON can have a pronounced effect on the chemistry of sulphur compounds. For example carbanions co-operatively stabilized by both elements1 form readily at low temperature and are stable and moderately nucleophilic. Similarly, ... Published on 01 January 1980. Downloaded by google on 14/04/2016 11:58:55. ... View Article Online / Journal Homepage / Table of Contents for this issue ... D. j. Ager and'RC Cookson, Tetrahedron.Lett., 1980, 21, 1677. Prepared ...