in dichloromethane Irradiation (UV/VIS); the mixt. of the Cr-compds. in CH2Cl2 is stirred and irradiated in a Pyrex flask under N2 with a 200 W lamp for 1.5 h; the soln. is filtered free from inorg. Cr and the solvent is evapd. under vac., the residue is solidified on cooling, t.l.c.;
参考文献
von Rosenberg, Joseph L.; Pinder, A. Reginald
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1987 , p. 747 - 752
