A Convenient Synthesis of Dimethyl (Diazomethyl)phosphonate (Seyferth/Gilbert Reagent)
Dean G. Brown, Emil J. Velthuisen,Jessica R. Commerford, Ronald G. Brisbois, and Thomas R. Hoye
J. Org. Chem., 1996, 61 (7), pp 2540–2541
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http://dx.doi.org/10.1021/jo951944n