A Macrocyclic Tetraazapolyene – Synthesis and Configuration | Zendy

Thilgen Carlo | Zendy; Vögtle Fritz | Zendy

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A Macrocyclic Tetraazapolyene – Synthesis and Configuration

Author(s) -

Thilgen Carlo,

Vögtle Fritz

Publication year - 1991

Publication title -

chemische berichte

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 0009-2940

DOI - 10.1002/cber.19911240335

Subject(s) - azine , chemistry , polyene , chromophore , hydrazine (antidepressant) , hydrate , yield (engineering) , diketone , stereochemistry , double bond , photochemistry , polymer chemistry , organic chemistry , materials science , chromatography , metallurgy

The new macrocyclic bis(azine) 2 forming yellow microcrystals has been prepared in 72% yield by treating the diketone 1 with hydrazine hydrate under high‐dilution conditions. In contrast to the UV/Vis spectrum of the “open‐chain” azine 4 , that of 2 shows characteristic features of a polyene chromophore containing (Z)‐configurated double bonds.

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