| abstract |
Compounds of the general formula (1) Pph3-CH-C (R) = Nu in which the symbols R and Nu have the following meanings: R = hydrogen, a C1-C5-alkyl or C1-C5-fluorine or perfluoroalkyl radical, one optionally fluorinated C6-C14 aryl radical or a group OCH3; Nu = S, Se, C (CN) 2, NH, PhN, PhNHN, CH3COCCOCH3, CH3OOCCCOOCH3 or a radical of the formulas (a), (b), (c), (d) or (e) <IMAGE> with Z = C (CH3) 2, S or N (CH3) and n = 1 or 2 where the combinations R = Ph and Nu = NPh, CH3COCCOOC2H5 as well as R = Ar, SAlk, OAlk and Nu = NPh and the combination R = H, Alk, aryl and Nu = S are excluded. |