Mass spectrometry of complexes with metal-carbon σ bonds. Part I. The electron impact behavior of some allyl complexes and their cycloaddition products

• DOI: 10.1016/s0020-1693(00)84513-2
• Publication Date: 2002-07-25T11:15:27Z
• Authors: R. Bertani; A.M. Maccioni; P. Traldi; G. Cartuaran
• Keywords: 01 natural sciences; 0104 chemical sciences

Abstract Electron Impact (El) mass spectrometric behavior of [PtCl(η1C3H5] (L2=2PPh3, Ph2P-C2H2PPh2) and {PtCl[CHCH2C(CN)2C(CN)2CH2](L2)} are described and discussed in detail with the aid of linked scans exact mass measurements and collisional experiments. The cases of [Mn(η1-C3H5)(CO)5] and {Mn[ CHCH 2 C(CN) 2 C(CN) 2 C H2](CO)5} are also reported. Results are interpreted in terms of the different stability of η1-allyl complexes as a function of coordinated ligands and of the possibility of η3-allyl bond formation; these data are compared with mass spectrometric features of the corresponding cyclopentyl derivatives. For the latter a retro-synthetic reaction to tetracyanoethylene and the original allyl complex is described.