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Volumn 14, Issue 19, 2008, Pages 5747-5750

Efficient thia-bridged triarylamine heterohelicenes: synthesis, resolution, and absolute configuration determination

Author keywords

Aromatic substitution; Chiral resolution; Heterohelicenes; Sulfur heterocycles; Vibrational circular dichroism

Indexed keywords

ACIDS; AMINATION; ORGANIC COMPOUNDS; SULFUR;

EID: 53849100650     PISSN: 09476539     EISSN: 15213765     Source Type: Journal    
DOI: 10.1002/chem.200800705     Document Type: Article
Times cited : (57)

References (66)
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    • In fact, reacting amine 5a with three equivalents of 4 at 80°C for 48 h allowed the isolation of helicene 7a in 13% yield
    • In fact, reacting amine 5a with three equivalents of 4 at 80°C for 48 h allowed the isolation of helicene 7a in 13% yield.
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    • Torsional angles were calculated by using the corresponding cif files in the Mercury 1.4.2 program to generate the planes, where α and β phenyl rings lay. For [6]helicene 12. the angle was calculated by using the external ring of the naphthalene moiety.
    • Torsional angles were calculated by using the corresponding cif files in the Mercury 1.4.2 program to generate the planes, where α and β phenyl rings lay. For [6]helicene 12. the angle was calculated by using the external ring of the naphthalene moiety.
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    • D values of (-)-405 and (+)-405 (c=0.06. hexane), respectively.
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    • The racemization rate is twice the M = P enantiomerization rate.
    • The racemization rate is twice the M = P enantiomerization rate.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.