Mild and Tunable Benzoic Acid Catalysts for Rearrangement Reactions of Allylic Alcohols

2011 ◽  
Vol 76 (20) ◽  
pp. 8537-8542 ◽  
Author(s):  
J. Adam McCubbin ◽  
Samantha Voth ◽  
Oleg V. Krokhin
ChemInform ◽  
2012 ◽  
Vol 43 (8) ◽  
pp. no-no
Author(s):  
J. Adam McCubbin ◽  
Samantha Voth ◽  
Oleg V. Krokhin

2013 ◽  
Vol 39 (8) ◽  
pp. 9731-9736 ◽  
Author(s):  
Mingzhu Wu ◽  
Junming Guo ◽  
Ying Li ◽  
Yingjie Zhang
Keyword(s):  

Author(s):  
W. E. Lee

An optical waveguide consists of a several-micron wide channel with a slightly different index of refraction than the host substrate; light can be trapped in the channel by total internal reflection.Optical waveguides can be formed from single-crystal LiNbO3 using the proton exhange technique. In this technique, polished specimens are masked with polycrystal1ine chromium in such a way as to leave 3-13 μm wide channels. These are held in benzoic acid at 249°C for 5 minutes allowing protons to exchange for lithium ions within the channels causing an increase in the refractive index of the channel and creating the waveguide. Unfortunately, optical measurements often reveal a loss in waveguiding ability up to several weeks after exchange.


2019 ◽  
Author(s):  
K Georgousaki ◽  
N Tsafantakis ◽  
S Gumeni ◽  
V González-Menéndez ◽  
G Lambrinidis ◽  
...  

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