1: hydrogenchloride; sodium nitrite; sodium tetrafluoroborate / water / 0.75 h / 0 °C
2: potassium acetate; 18-crown-6 ether / chloroform / 1.5 h / 20 - 25 °C
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参考文献
AVENTIS AGRICULTURE; MERIAL LIMITED; Soll, Mark David; Le Hir de Fallois, Loic Patrick; Huber, Scot Kevin; Lee, Hyoung Ik; Wilkinson, Douglas Edward; Jacobs, Robert Toms
Patent: US2014/80862 A1, 2014 ;