Solvent effects in olefin circular dichroism

1974 ◽  
pp. 730 ◽  
Author(s):  
Niels H. Andresen ◽  
Yoshimoto Ohta
Keyword(s):  
Circular Dichroism ◽  
Solvent Effects ◽  
Circular Dichroïsm

Transmission of Point Chirality to Axial Chirality for Strong Circular Dichroism in Triarylmethylium-o,o-dimers

Synlett ◽  
2018 ◽  
Vol 29 (16) ◽  
pp. 2147-2154 ◽  
Author(s):  
Takanori Suzuki ◽  
Yusuke Ishigaki ◽  
Tomohiro Iwai ◽  
Yuki Hayashi ◽  
Aiichiro Nagaki ◽  
...  
Keyword(s):  
Circular Dichroism ◽  
Solvent Effects ◽  
Chiral Auxiliaries ◽  
Response Properties ◽  
Axial Chirality ◽  
Exciton Coupling ◽  
Π Stacking ◽  
Circular Dichroïsm

Triarylmethylium-o,o-dimers adopt a twisted geometry so that two diarylmethyliums are stacked in a slipped manner. Thus, chiral auxiliaries on the aryl groups induce a preference in the axial chirality of the central biphenyl unit. Strong circular dichroism is attained through exciton coupling, which can be used for additional spectral output in their electrochromic behavior. Diastereoselectivity based on π–π stacking exhibits unique solvent effects, thus endowing multifunctional response properties.

Electronic Circular Dichroism Spectroscopy of 1-(R)-Phenylethanol: The “Sector Rule” Revisited and an Exploration of Solvent Effects

2004 ◽  
Vol 44 (1-3) ◽  
pp. 27-36 ◽  
Author(s):  
Neil A. Macleod ◽  
Patrick Butz ◽  
John P. Simons ◽  
Guy H. Grant ◽  
Christopher M. Baker ◽  
...  
Keyword(s):  
Circular Dichroism ◽  
Solvent Effects ◽  
Circular Dichroism Spectroscopy ◽  
Electronic Circular Dichroism ◽  
Circular Dichroïsm

ChemInform Abstract: SOLVENT EFFECTS ON CIRCULAR DICHROISM INDUCED IN AROYLARENECARBOXYLIC ACIDS BY OPTICALLY ACTIVE AMINES

1974 ◽  
Vol 5 (20) ◽  
pp. no-no
Author(s):  
NIICHIRO TOKURA ◽  
TOSHIKAZU NAGAI ◽  
SHUNSUKE TAKENAKA ◽  
TAKUMI OSHIMA
Keyword(s):  
Circular Dichroism ◽  
Solvent Effects ◽  
Optically Active ◽  
Circular Dichroïsm
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