Cyclopropyl substituent effects on acid-catalyzed hydration of alkenes. Correlation by .sigma.+ parameters

1976 ◽  
Vol 98 (4) ◽  
pp. 947-951 ◽  
Author(s):  
Kiyotaka Oyama ◽  
Thomas T. Tidwell
Keyword(s):  
Substituent Effects ◽  
Acid Catalyzed

Kinetic acidity function and solvolysis of 3-hydroxy-1,3-diphenyltriazenes

1986 ◽  
Vol 51 (3) ◽  
pp. 564-572 ◽  
Author(s):  
Oldřich Pytela ◽  
Stanislava Štumrová ◽  
Miroslav Ludwig ◽  
Miroslav Večeřa
Keyword(s):  
Sulphuric Acid ◽  
Substituent Effects ◽  
Acidity Function ◽  
Kinetic Acidity ◽  
Acid Catalyzed ◽  
Kinetics Of

Ten 3-hydroxy-1-(X-phenyl)-3-phenyltriazines have been synthesized, and kinetics of their solvolysis have been measured in 40% (v/v) ethanol and sulphuric acid. The concept of kinetic acidity function has been generalized, its construction has been suggested, and the procedure has been applied to the solvolysis of 3-hydroxy-1,3-diphenyltriazenes. The kinetic acidity function found has been confronted with the H0 acidity function. The substituent effects have been evaluated with respect to mechanism of the acid catalyzed solvolysis.

ChemInform Abstract: ACID-CATALYZED HYDROLYSIS OF VINYL PHOSPHATES AND VINYL ACETATES. THE SUBSTITUENT EFFECTS OF DIETHYL PHOSPHORYLOXY AND ACETOXY GROUPS

1977 ◽  
Vol 8 (32) ◽  
pp. no-no
Author(s):  
S. Y. ATTIA ◽  
J. P. BERRY ◽  
K. M. KOSHY ◽  
Y.-K. LEUNG ◽  
E. P. JUN. LYZNICKI ◽  
...  
Keyword(s):  
Substituent Effects ◽  
Acid Catalyzed ◽  
Hydrolysis Of
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