Substituent dependence of the .pi.-acceptor-induced bond cleavage reactions of benzyl phenyl ethers

1990 ◽  
Vol 55 (5) ◽  
pp. 1554-1559 ◽  
Author(s):  
John H. Penn ◽  
Zhe Lin
Keyword(s):  
Bond Cleavage ◽  
Cleavage Reactions ◽  
Phenyl Ethers

Hydrogenation-dehydrogenation and cleavage functions of hydrorefining catalysts studied by the reaction of tetrahydrothiophene

1986 ◽  
Vol 51 (12) ◽  
pp. 2770-2780 ◽  
Author(s):  
Alexandra Drahorádová ◽  
Miroslav Zdražil
Keyword(s):  
Activated Carbon ◽  
Catalyst Surface ◽  
Bond Cleavage ◽  
Unsaturated Hydrocarbons ◽  
Cleavage Reactions

The reaction of tetrahydrothiophene in a stream of nitrogen was used to study the relations between dehydrogenation and C-S cleavage reactions on sulphided Co-Mo/Al2O3 catalysts. The course of the reaction was compared for Co-Mo catalysts supported on alumina and activated carbon, for alumina alone as well as for a Pt/C catalyst. The effect of substitution of nitrogen for hydrogen, of the addition of water to the feed, of pre-sulphidation of catalysts and their deactivation by coking on the rate and selectivity of the reaction were also investigated. The results showed that hydrogenation-dehydrogenation and dehydrosulphurization activity of the sulphide catalysts have the same origin. Hydrogen accelerates dehydrosulphurization on the sulphide catalysts by removing sulphur and unsaturated hydrocarbons formed on catalyst surface by C-S bond cleavage reactions.

Reactions of 1,8-bis(diphenylphosphino)naphthalene with ruthenium cluster carbonyls: C–H and C–P bond cleavage reactions

2004 ◽  
Vol 357 (6) ◽  
pp. 1805-1812 ◽  
Author(s):  
Michael I. Bruce ◽  
Paul A. Humphrey ◽  
Sakir Okucu ◽  
Reinhard Schmutzler ◽  
Brian W. Skelton ◽  
...  
Keyword(s):  
Bond Cleavage ◽  
Ruthenium Cluster ◽  
Cleavage Reactions

Reactivity of Highly Lewis-Acidic Diborane(4) toward C≡N and N=N Bonds: Uncatalyzed Addition and N=N Bond-Cleavage Reactions

2018 ◽  
Vol 131 (1) ◽  
pp. 323-327 ◽  
Author(s):  
Yuhei Katsuma ◽  
Linlin Wu ◽  
Zhenyang Lin ◽  
Seiji Akiyama ◽  
Makoto Yamashita
Keyword(s):  
Bond Cleavage ◽  
Cleavage Reactions

Ultrasonically dispersed potassium in organic synthesis. Water-acceleration in reductive CS bond cleavage reactions

1991 ◽  
Vol 32 (29) ◽  
pp. 3551-3554 ◽  
Author(s):  
Ta-shue Chou ◽  
Shao-Hwa Hung ◽  
Man-Li Peng ◽  
Shwu-Jiaun Lee
Keyword(s):  
Organic Synthesis ◽  
Bond Cleavage ◽  
Cleavage Reactions

ChemInform Abstract: Oxygen Switch in Visible-Light Photoredox Catalysis: Radical Additions and Cyclizations and Unexpected C-C-Bond Cleavage Reactions.

ChemInform ◽  
2013 ◽  
Vol 44 (29) ◽  
pp. no-no
Author(s):  
Shaoqun Zhu ◽  
Arindam Das ◽  
Lan Bui ◽  
Hanjun Zhou ◽  
Dennis P. Curran ◽  
...  
Keyword(s):  
Visible Light ◽  
Bond Cleavage ◽  
Photoredox Catalysis ◽  
Cleavage Reactions
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