Functionalization of Aromatic Azo Compounds by the Cobalt‐Catalyzed, Regioselective Double Addition of Tolane: 2,6‐Distilbenylazobenzenes and 2,3‐Dihydrocinnolines | Zendy

Halbritter Günther | Zendy; Knoch Falk | Zendy; Wolski Alexander | Zendy; Kisch Horst | Zendy

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Functionalization of Aromatic Azo Compounds by the Cobalt‐Catalyzed, Regioselective Double Addition of Tolane: 2,6‐Distilbenylazobenzenes and 2,3‐Dihydrocinnolines

Author(s) -

Halbritter Günther,

Knoch Falk,

Wolski Alexander,

Kisch Horst

Publication year - 1994

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199416031

Subject(s) - diphenylacetylene , regioselectivity , cobalt , catalysis , photochromism , surface modification , chemistry , solvent , organic chemistry , combinatorial chemistry , polymer chemistry

The substitution pattern determines whether distilbenylazobenzene compounds 1 or their subsequent products, the dihydrocinnolines 2 , are isolated in the cobalt‐catalyzed solvent‐free reaction of azo compounds with diphenylacetylene. For several derivatives a photochromic equilibrium exists between the two forms.

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