El reactivo de Petasis, llamado así por Nicos A. Petasis, es un compuesto de organotitanio con la fórmula Cp2Ti(CH3)2.(N. A. Petasis; E. I. Bzowej (1990). «Titanium-mediated carbonyl olefinations. 1. Methylenations of carbonyl compounds with dimethyltitanocene». J. Am. Chem. Soc.112 (17): 6392-6394. doi:10.1021/ja00173a035.) Es un sólido de color naranja.
J. R. Dilworth, W. Hussain, A. J. Hutson, C. J. Jones, F. S. Mcquillan "Tetrahalo Oxorhenate Anions" Inorganic Syntheses 1997, volume 31, pages 257–262. doi10.1002/9780470132623.ch42
J. Le Bras, H. Jiao, W. E. Meyer, F. Hampel and J. A. Gladysz, "Synthesis, Crystal Structure, and Reactions of the 17-Valence-Electron Rhenium Methyl Complex [(η5-C5Me5)Re(NO)(P(4-C6H4CH3)3)(CH3)]+B(3,5-C6H3(CF3)2)4−: Experimental and Computational Bonding Comparisons with 18-Electron Methyl and Methylidene Complexes", J. Organomet. Chem. 2000 volume 616, 54-66. doi10.1016/S0022-328X(00)00531-3
