1: 2,5-dibromo-pyridine With n-butyllithium in hexane; toluene
T=-80°C; 2 h;
2: carbonic acid diethyl ester in hexane; toluene
T=-80 - 20°C;
参考文献
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Levine; Hauser
Journal of the American Chemical Society, 1944 , vol. 66, p. 1768