Enantiodivergent Steglich rearrangement of O-carboxylazlactones catalyzed by a chirality switchable helicene containing a 4-aminopyridine unitElectronic supplementary information (ESI) available. See DOI: 10.1039/c6sc02646j

A pseudo-enantiomeric pair of optically switchable helicenes containing a catalytic 4- N -methylaminopyridine (MAP) bottom unit and a C 2 -symmetric, (10 R ,11 R )-dimethoxymethyl-dibenzosuberane top template was synthesized. They underwent complementary photoswitching at 290 nm ( P / M ′, 99) and 3...

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Main Authors: Chen, Chien-Tien, Tsai, Cheng-Che, Tsou, Pei-Kang, Huang, Gou-Tao, Yu, Chin-Hui
Format: Article
Language:English
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Summary:A pseudo-enantiomeric pair of optically switchable helicenes containing a catalytic 4- N -methylaminopyridine (MAP) bottom unit and a C 2 -symmetric, (10 R ,11 R )-dimethoxymethyl-dibenzosuberane top template was synthesized. They underwent complementary photoswitching at 290 nm ( P / M ′, 99) and 340 nm ( P / M ′, 91/9) and unidirectional thermo-rotation at 130 °C ( P / M ′, >99/
ISSN:2041-6520
2041-6539
DOI:10.1039/c6sc02646j