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- W3173386319 abstract "Formation of large cyclic structures (macrocycles) held together by covalent bonds from non-cyclic precursors is inherently difficult. To minimize this difficult, two methods (crab-like and template-directed synthesis) were run together in one vessel to afford new eleven aza macrocycles based on 2,4,6-triaryl pyridine (AM1-11) in high yields. The AM1-11 were synthesized by the reaction of diamine compounds (1-11) with 2,6-bis(3-(2-chloroacetamido)phenyl)-4-(phenyl)pyridine (BCP) as crab-like condensing reagent, in the presence of K2CO3/KI (template reagent). BCP was obtained from the reaction of 2,6-Bis(3-aminophenyl)-4-(phenyl)pyridine (BAP) with chloroacetyl chloride at room temperature. Also BAP was synthesized by using 3-nitro acetophenone and bezaldehyde in manner of modified Chichibabin reaction and the reduction of product by Zn/NH4Cl. The structures of macrocycles were confirmed by IR, 1H NMR, 13C NMR and Mass spectroscopies." @default.
- W3173386319 created "2021-07-05" @default.
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- W3173386319 date "2019-06-02" @default.
- W3173386319 modified "2023-09-22" @default.
- W3173386319 title "Design and synthesis of new 19-25 membered aza macrocycles based on 2,4,6-triarylpyridine" @default.
- W3173386319 hasPublicationYear "2019" @default.
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