[C:1]([O:9][C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1)(=[O:8])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[Sm:16]>COCCOC>[C:1]([O:9][C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1)(=[O:8])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1.[Sm:16]By reacting 0.85 mmole of phenyl benzoate in 6 ml of DME with 3.38 m atoms of samarium, in the conditions of example 9, a dark-brown compound (phenyl benzoate-samarium) has been obtained and treated as usually. Benzoate was quantitatively converted.
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