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Conformationally Locked Cyclo[2]Dipyrrins Linked with Anthracene Subunits: Synthesis and Chiroptical Properties
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2023-05-31 , DOI: 10.1002/anie.202306566 Anjana Prasad Nambiar 1 , Probal Nag 1 , Ruth Mariam Ipe 1 , Sivaranjana Reddy Vennapusa 1 , Sabapathi Gokulnath 1
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2023-05-31 , DOI: 10.1002/anie.202306566 Anjana Prasad Nambiar 1 , Probal Nag 1 , Ruth Mariam Ipe 1 , Sivaranjana Reddy Vennapusa 1 , Sabapathi Gokulnath 1
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An anthracene-containing helically locked ‘Figure of eight’ expanded porphyrin has been obtained by a simple condensation strategy. The 3D crystal packing showed the presence of two helical enantiomers, which were stable enough to be separated in solution. The P,P and M,M enantiomers show moderate chiroptical properties (gabs ca.10−3 and glum=3.8×10−3 at 700 nm) and are not interconvertible, presumably because of a high racemization barrier.
中文翻译：
与蒽亚基连接的构象锁定环[2]二吡啶：合成和手性光学性质
通过简单的缩合策略获得了含蒽螺旋锁定的“八字形”扩展卟啉。3D 晶体堆积显示存在两种螺旋对映体，它们足够稳定，可以在溶液中分离。P 、P和M、M对映体显示出中等的手性光学性质（在700 nm 处g abs ca.10 -3和g lum =3.8×10 -3）并且不可相互转化，可能是因为高外消旋势垒。
更新日期：2023-05-31
中文翻译：
与蒽亚基连接的构象锁定环[2]二吡啶：合成和手性光学性质
通过简单的缩合策略获得了含蒽螺旋锁定的“八字形”扩展卟啉。3D 晶体堆积显示存在两种螺旋对映体，它们足够稳定，可以在溶液中分离。P 、P和M、M对映体显示出中等的手性光学性质（在700 nm 处g abs ca.10 -3和g lum =3.8×10 -3）并且不可相互转化，可能是因为高外消旋势垒。
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