UNTERSUCHUNGEN ZUR STRUKTUR UND STEREOCHEMIE DER ADDITIONSPRODUKTE VON NUKLEOPHILEN AN VON N-METHYLBENZIMIDCHLORID ABGELEITETE CARBENCHELATKOMPLEXE

Article abstract of DOI:10.1016/0022-328X(83)89529-1

In the reaction of (I) with C6H5MgBr the phenyl group adds to the carbene carbon atom giving the neutral complex (V).V crystallizes in the space group P2₁/c with the cell constants a 11.803(5), b 12.114(6), c 17.198(6) Angstroem, β 96.61(3)⁰, V 2431.2 Angstroem³, Z = 4, ρ_calc 1.45 g cm^-3.For 2979 reflections the R value is 5.1, R_w = 4.8.The stereoisomers IIIA and IIIB, formed in the H^- addition to I, are 1H NMR spectroscopically investigated by means of Nuclear-Overhauser-Effect Difference Spectroscopy in order to elucidate the orientation of the incoming H substituent with respect to the C5H5 group.