With 1-(6-methoxynaphthalen-2-yl)ethanone as the starting material, aza-BODIPYs bearing naphthyl groups were successfully prepared. Effect of extended π-conjugation by attaching the naphthyl group on photophysical properties was noticeable. The absorption and emission maxima of aza-BODIPY 4 (λ _abs=706 nm, λ _em=733 nm) bearing the naphthyl group were bathochromically shifted compared to these of 1 (λ _abs=688 nm, λ _em=715 nm) bearing the phenyl group. Moreover, the main computed photophysical data at the best level of calculation, i.e., cLR-PCM(CHCl₃)-M06-2X/6-311+G(2d,p)/SOS-CIS(D), were in agreement with the experimental data. Aza-BODIPY 5 as a photosensitizer (λ _abs=704 nm in toluene) had moderate singlet-oxygen production having about 2.0-fold rate enhancement when compared to that of methylene blue, and it is thought to be a photosensitizer to be potentially used for the singlet oxygen generation.

中文翻译：

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NIR含萘基氮杂-BODIPYs的合成和单线态氧生成的测量

以1-（6-甲氧基萘-2-基）乙酮为起始原料，成功制备了带有萘基的氮杂-BODIPY。通过连接萘基延长π共轭对光物理性质的影响是显着的。的氮杂BODIPY 4（λ的吸收和发射最大值_ABS = 706纳米，λ _EM = 733 nm）的轴承萘基被红移相比这些的1（λ _ABS = 688纳米，λ _EM = 715 nm）的轴承苯基。此外，在最佳计算水平上的主要计算光物理数据，即cLR-PCM（CHCl ₃）-M06-2X / 6-311 + G（2d，p）/ SOS-CIS（D）与实验数据。作为光敏剂的Aza-BODIPY 5（_λabs与亚甲基蓝相比，在甲苯中＝ 704nm）具有中等的单线态氧产生，其速率提高了约2.0倍，并且被认为是潜在地用于单线态氧生成的光敏剂。