e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
… via oxidative cyclization of 1, 3, 5-cyclooctatriene with maleic anhydride or maleimides: An intermediate for the transition metal-mediated [6+ 2] cycloaddition of 1, 3, 5- …
Y Ura, T Utsumi, H Tsujita, K Wada, T Kondo…
Index: Schmidt, Christoph; Polborn, Kurt; Beck, Wolfgang Chemische Berichte, 1992 , vol. 125, # 1 p. 61 - 66
... Volume: Page: Digital Object Identifier (DOI). ... 1 H NMR analysis of a toluene-d 8 solution of 4d that was heated at 50 °C for 18 h indicated that 4d was almost converted and several new complexes as well as 10 seemed to be formed concurrently. ...