调整光和单片氧子氧素的量子产量通过轴向功能化
Sophia Ben Ahmed1, Gema Pérez de Bustos1, João Pina2
1Departamento de Química Orgánica, Universidad Autónoma de Madrid, Cantoblanco, 28049, Madrid, Spain.
ChemPlusChem
|February 6, 2024
概括
研究人员探索了Subporphyrazines (SubPzs) 的轴向功能化,创造了新的B-O,B-S,B-C和B-N键. 用氧核友的直接替代是有效的,而其他核友则需要逐步的方法,产生有限的产品.
科学领域:
- 超分子化学 超分子化学
- 有机合成 有机合成
- 材料科学 材料科学 材料科学
背景情况:
- 亚亚酸 (SubPzs) 是宏环化合物,在各种领域都有潜在的应用.
- 轴向功能化对于调整 SubPzs. 的属性至关重要.
- 之前的研究已经限制了可以通过轴引入的替代剂的范围.
研究的目的:
- 为了研究Subporphyrazines (SubPzs) 的轴性功能化,与各种各样的核友.
- 探索在轴位置形成新的B-O,B-S,B-C和B-N键的过程.
- 为了评估合成的SubPzs.的光物理性质.
主要方法:
- -SubPz与氧核友 (酒精,碳素酸,酸) 的直接替代反应.
- 通过轴三叶酸-SubPz中间体为硫,碳和核友的逐步功能化.
- 使用光谱技术对合成的SubPzs进行表征,并评估光和单片氧生成.
主要成果:
- 通过氧核友的成功直接替代产生了高产量的 (49-100%) 氧和碳氧替代的SubPzs.
- 用硫,碳和核友的直接替代是没有成功的.
- 使用三叶酸中间体的逐步方法产生了低产量的-SubPz (8%) 和未报告的SubPzμ-oxo二聚合物.
- 所有合成的SubPzs都表现出光 (510-515nm) 并产生单点氧 (ΦΔ = 0.15-0.57).
结论:
- SubPzs的轴性功能化是可行的,特别是通过直接替换的氧核友.
- 三叶酸中间体对硫,碳和核友的反应性有限.
- 合成的SubPzs具有有前途的光物理特性,包括光和单片氧气生成能力.
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