Absolute asymmetric synthesis. I. Mechanism of the photochemical synthesis of nonracemic helicenes with circularly polarized light. Wavelength dependence of the optical yield of octahelicene

1972 ◽  
Vol 94 (2) ◽  
pp. 494-498 ◽  
Author(s):  
William J. Bernstein ◽  
Melvin Calvin ◽  
Ole Buchardt
Keyword(s):  
Asymmetric Synthesis ◽  
Polarized Light ◽  
Wavelength Dependence ◽  
Photochemical Synthesis ◽  
Optical Yield ◽  
Light Wavelength ◽  
Circularly Polarized Light ◽  
Circularly Polarized ◽  
Absolute Asymmetric Synthesis

scholarly journals Dual wavelength asymmetric photochemical synthesis with circularly polarized light

2015 ◽  
Vol 6 (7) ◽  
pp. 3853-3862 ◽  
Author(s):  
Robert D. Richardson ◽  
Matthias G. J. Baud ◽  
Claire E. Weston ◽  
Henry S. Rzepa ◽  
Marina K. Kuimova ◽  
...  
Keyword(s):  
Polarized Light ◽  
Dual Wavelength ◽  
Asymmetric Induction ◽  
Photochemical Synthesis ◽  
Circularly Polarized Light ◽  
Circularly Polarized

An asymmetric photchemical synthesis of a dihyrohelicene demonstrates two wavelengths of circularly polarized (CP) light can be used to ensure the enantiomeric induction intrinsic to each step can combine additively; significantly increasing the asymmetric induction possible over a single wavelength approach.

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