Erratum to: 3+3-Cyclocondensation of β-Carbonyl-Substituted 4H-Chromenes with 3- and 6-Aminoindazoles: Synthesis of Pyrimido1,2-bindazoles and Pyrazolo3,4-fquinolines

Key Points

• This erratum addresses inaccuracies in the reported synthesis methods for specific organic compounds.
• Correction of synthesis techniques for β-carbonyl-substituted 4H-chromenes and aminoindazoles.
• Detailing adjustments made in reaction conditions and chemical interactions.
• Identification of previous errors in synthesis pathway descriptions.
• Clarification of the structural outcomes of synthesized compounds.