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PAPER
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(23) Chemical shifts (ppm) for the methyl groups of DMF are:
2.89 and 2.78 (free DMF); 3.10 and 2.98 [MoO2Cl2 (dmf)2];
3.00 and 2.93 [‘MoOCl2 (dmf)2’].
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Synthesis 2004, No. 10, 1629–1632 © Thieme Stuttgart · New York