Balanced Decarboxylation of Aromatic Polyacids – A One‐Step Synthesis of Perylene‐3,4‐dicarboxylic Anhydride | Zendy

Langhals Heinz | Zendy; von Unold Petra | Zendy; Speckbacher Markus | Zendy

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Balanced Decarboxylation of Aromatic Polyacids – A One‐Step Synthesis of Perylene‐3,4‐dicarboxylic Anhydride

Author(s) -

Langhals Heinz,

von Unold Petra,

Speckbacher Markus

Publication year - 1997

Publication title -

liebigs annalen

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.825

H-Index - 155

eISSN - 1099-0690

pISSN - 0947-3440

DOI - 10.1002/jlac.199719970305

Subject(s) - perylene , decarboxylation , chemistry , imide , yield (engineering) , organic chemistry , polymer chemistry , dicarboxylic acid , catalysis , molecule , materials science , metallurgy

Perylene‐3,4‐dicarboxylic anhydride ( 3 ) is prepared from technical grade perylene‐3,4:9,10‐tetracarboxylic anhydride ( 1 ) in 25% yield by a partial decarboxylation reaction using noncondensing amines. Perylene‐3‐carboxylic acid ( 4 ) and perylene‐3,4‐dicarboxylic imide ( 5 ) are prepared in the same way in yields of 24% and 76%, respectively, by a variation of the reaction conditions.

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