Coordination Chemistry of siloles: reaction of η4-complexed endo-1-chloro-2,5-diphenylsilacyclopentadiene with lithium reagents. Synthesis of new carbenes, and the crystal structure of dicarbonylphenyl(η4-exo-1-methyl-1-oxy-2,5-diphenylsilacyclopentadiene)carbene iron

Article abstract of DOI:10.1016/0022-328X(87)87176-0

The reaction of MeLi, PhLi and i-Pr2NLi with (η⁴-endo-1-chloro-exo-1-methyl-2,5-diphenylsilacyclopentadiene)tricarbonyliron (1) has given a neutral carbene with an unusual cyclic structure.An X-ray structure determination was carried out in the case of the product, 4b, from PhLi.