scholarly journals Ultrafast Photo‐Ion Probing of the Ring‐Opening Process in Trans‐Stilbene Oxide.

2021 ◽  
Author(s):  
Matthew S. Robinson ◽  
Mario Niebuhr ◽  
Fabiano Lever ◽  
Dennis Mayer ◽  
Jan Metje ◽  
...  
Keyword(s):  
Ring Opening ◽  
Trans Stilbene ◽  
In Trans ◽  
Opening Process

Analysis of Ring-Opening Reaction between Bisphenol A and Epichlorohydrin by the Method of Quantum Chemical Calculating

2011 ◽  
Vol 221 ◽  
pp. 180-183 ◽  
Author(s):  
Jian Li ◽  
Xun Zhang Yu ◽  
Kai Zhang
Keyword(s):  
Bisphenol A ◽  
Density Function ◽  
Quantum Chemical ◽  
Ring Opening ◽  
Function Theory ◽  
Dft Method ◽  
Density Function Theory ◽  
Ring Opening Reaction ◽  
Calculation Results ◽  
Opening Process

The ring-opening reaction between bisphenol A and epichlorohydrin was calculated by Gaussian03. The Density Function Theory (DFT) method were employed to study the geometry structures of bisphenol A and epichlorohydrin and the product was obtained on the base of B3LYP/6-31G+ model in this paper. The transitional states (Ts1, Ts2) during the ring-opening process were found by TS method and the energy changing of the system was proved by IRC calculation. Results showed that the energy reduced by 64.37726kJ/mol during the ring-opening process. The product was confirmed to be thermodynamically stable.

Ring opening process of some spirochromenes by photoproduced HCl in poly(N-vinyl carbazole)

1997 ◽  
Vol 8 (9) ◽  
pp. 563-567 ◽  
Author(s):  
A. Sezai Sarac ◽  
Esma Sezer ◽  
Belkis Ustamehmetoglu ◽  
Albrecht Mannschreck ◽  
Barbara Stephan
Keyword(s):  
Ring Opening ◽  
Opening Process

Design and synthesis of a novel fluorescence probe for Zn2+ based on the spirolactam ring-opening process of rhodamine derivatives

2011 ◽  
Vol 19 (3) ◽  
pp. 1072-1078 ◽  
Author(s):  
Hiromi Sasaki ◽  
Kenjiro Hanaoka ◽  
Yasuteru Urano ◽  
Takuya Terai ◽  
Tetsuo Nagano
Keyword(s):  
Ring Opening ◽  
Fluorescence Probe ◽  
Design And Synthesis ◽  
Rhodamine Derivatives ◽  
Opening Process

Assignment of the low-frequency modes in trans-stilbene: evidence for planarity in the isolated molecule

1987 ◽  
Vol 91 (11) ◽  
pp. 2782-2786 ◽  
Author(s):  
Lee H. Spangler ◽  
Roger. Van Zee ◽  
Timothy S. Zwier
Keyword(s):  
Low Frequency ◽  
Trans Stilbene ◽  
In Trans

The Nature of the Ring-Opening Process in a Substituted Cyclopropylmethyliron Complex

1998 ◽  
Vol 17 (13) ◽  
pp. 2778-2783 ◽  
Author(s):  
E. Alexander Hill ◽  
Baoju Li
Keyword(s):  
Ring Opening ◽  
Opening Process

scholarly journals Unusual (Z)-selective palladium(ii)-catalysed addition of aryl boronic acids to vinylaziridines

2014 ◽  
Vol 12 (45) ◽  
pp. 9113-9115 ◽  
Author(s):  
JieXiang Yin ◽  
Theresa Mekelburg ◽  
Christopher Hyland
Keyword(s):  
Ring Opening ◽  
Boronic Acids ◽  
Arylboronic Acids ◽  
Reaction Proceeds ◽  
Opening Process

The palladium(ii)-catalysed addition of arylboronic acids to vinylaziridines has been developed. This reaction proceeds via an insertion/ring-opening process to provide (E)-allylsulfonamides. This stereoselectivity is complimentary to existing methods that typically proceed via an SN2′ mechanism to yield (Z)-allylic systems.

Effect of the axial ligands on the structure and reactivity of tin verdoheme in the ring opening process

2010 ◽  
Vol 363 (7) ◽  
pp. 1577-1586 ◽  
Author(s):  
Mehdi D. Davari ◽  
Homayoon Bahrami ◽  
Mansour Zahedi ◽  
Nasser Safari
Keyword(s):  
Ring Opening ◽  
Axial Ligands ◽  
Opening Process
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