Reaction Schemes

A1 Starting Materials (Section 2.1)

  1. 3,3′- or 3,3′,5,5′-Substituted 4,4′-diaminodiphenyls (Section 2.1.1):
    Figure depicting a chemical reaction, where 3,3'- or 3,3'-5,5'-substituted 4,4'-diaminodiphenyls.
  2. Acetoacetic acid arylides (Section 2.1.2):
    Figure depicting the chemical reaction for acetoacetic acid arylides.
  3. 2-Naphthol, 2-hydroxy-3-naphthoic acid and Naphthol AS (Section 2.1.2.2):
    Figure depicting the chemical reactions for 2-Naphthol, 2-hydroxy-3-naphthoic acid and naphthol AS.

A2 Synthesis of Hydrazone Pigments (Section 2.2)

  1. Diazotization (Section 2.2.1):

    Preceding equilibria for the formation of XNO (XCl, Br, NO2, HSO4):

    Diazotization (Ar: aromatic group):

    Side ...

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