Metal complexes of chiral Möbius aromatic [28]hexaphyrin(1.1.1.1.1.1): Enantiomeric separation, absolute stereochemistry, and asymmetric synthesis

Angewandte Chemie - International Edition

Volumn 49, Issue 37, 2010, Pages 6619-6621

  Tanaka, Takayuki ^a   Sugita, Tsutomu ^a   Tokuji, Sumito ^a   Saito, Shohei ^a   Osuka, Atsuhiro ^a  

^a KYOTO UNIVERSITY   (Japan)

Author keywords

Asymmetric synthesis; Hexaphyrins; Metalation; M bius aromaticity; Porphyrinoids

Indexed keywords

AROMATICITIES; ASYMMETRIC SYNTHESIS; HEXAPHYRINS; METALATIONS; PORPHYRINOIDS;

AROMATIZATION; CHIRALITY; METAL COMPLEXES; MOLYBDENUM; MOLYBDENUM COMPOUNDS; STEREOCHEMISTRY; SYNTHESIS (CHEMICAL); X RAY CRYSTALLOGRAPHY;

COMPLEXATION;

EID: 77956498786     PISSN: 14337851     EISSN: 15213773     Source Type: Journal    
DOI: 10.1002/anie.201002282     Document Type: Article

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38. Racemate crystals were slightly soluble in cold n-heptane, which is the reason why the obtained filtrate was not completely enantiopure. Without washing with cold n-heptane, we obtained crystals (+ 20 % ee) and filtrate (+ 80 % ee) from a + 40 % ee solution.