Data for: A Mild and Sequentially Pd/Cu-catalyzed Domino Synthesis of Acidochromic Indolo[3,2-a]carbazoles – Free Bases of Apocyanine Dyes

The supporting information contains data on optimization, 1H and 13C NMR Spectra of Compounds, NMR Spectra of Protonated 3a, Absorption and Emission Spectra of Compounds 3, Acidochromism studies of 3a, Absorption Spectra of non-Protonated and Protonated Compounds 3, Determination of pKa Value of 3a Titration Experiment (Absorption), Titration Experiment (Fluorescence Quenching), and Data of Quantum Chemical Calculations

本补充材料包含如下数据：化合物的优化相关数据、化合物的1H与13C核磁共振（NMR）谱图、质子化3a的核磁共振谱图、化合物3的吸收与发射光谱、3a的酸致变色研究数据、非质子化与质子化化合物3的吸收光谱、3a的吸收光谱滴定实验pKa值测定数据、荧光猝灭滴定实验数据，以及量子化学计算数据。