、 (E)-2-diazonio-1-[[3-(pyridin-2-yldisulfanyl)phenyl]methoxy]ethenolate;molecular nitrogen 、
(S)-1-甲基吡啶-2-羧酸 在
氮 作用下,
以
水 为溶剂,
反应 0.53h,
以Thereafter, consecutive runs of 216 g of MPDA/hour, 216 g of water/hour and 210 L of nitrogen/hour (mole ratio N2 /MPDA=5) resulted in 0.1% net yield of MePip and 73% net yield of Beta in the first-hour run, 0.5% net yield of MePip and 99% net yield of Beta in the second hour, 0.7% net yield of MePip and 86% net yield of Beta in the third hour, 1.4% net yield of MePip and 81% net yield of Beta in the fourth hour, and 1.6% net yield of MePip and 81% net yield of Beta in the fifth hour的产率得到(E)-2-diazonio-1-[[3-(pyridin-2-yldisulfanyl)phenyl]methoxy]ethenolate