N Ts Cs CO (2 equiv) N 2 3 2 R 2 R MeCN,100°C,6h 1 R R =H, Me, MeO, CF ,NO ,F,Cl,Br 24 examples 1 3 2 up to 92% isolated yield R =H, Me, Ph, Benzyl Without strong base Additive-free Broad substrate scope Mild conditions Electronic supplementary material The online version of this article (doi:10.1007/s11164-016-2688-3) contains supplementary material, which is available to authorized users. & Zai-Gang Luo email@example.com & Jie He firstname.lastname@example.org College of Chemical Engineering, Anhui University of Science and Technology, Huainan 232001, China Guang Zhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China 123 1140 Z.-G. Luo et al. Keywords Decomposition N-Tosylhydrazones Cs CO Azines 2 3 Introduction Azines, N–N linked diimines, which exhibit interesting biological [1–3], conductive [4–6], and optical [7–9] properties and are extensively used as synthetic intermediates [10–14], have received increasing attention in recent years. Generally, azines are prepared by the condensation of aldehydes or ketones with hydrazine hydrate in solution under reﬂuxing conditions or with promoters such as iodine or acid [15–17]. These reactions proceed rapidly but often generate large amounts of unwanted byproducts. Very recently, Peltier et al.  reported the ﬁrst examples
Research on Chemical Intermediates – Springer Journals
Published: Aug 10, 2016
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