Kinetics and mechanism of the addition of alcohols to ketenes in diethyl ether solution in the presence of boron trifluoride

1984 ◽  
pp. 1083 ◽  
Author(s):  
Nai L. Poon ◽  
Derek P. N. Satchell
Keyword(s):  
Diethyl Ether ◽  
Boron Trifluoride ◽  
Kinetics And Mechanism ◽  
Ether Solution

Boron Trifluoride-assisted Reactions of 1-Benzothiophen-3(2H)-one with Various Ketones: A Convenient Entry to 2-Methylene-1 -benzothiophen-3(2H)-one and/or 6H-Di[1]benzothieno[3,2-b:2,3-e]pyran Derivatives

1999 ◽  
Vol 23 (9) ◽  
pp. 542-543
Author(s):  
Alessandro Fraleoni ◽  
Paolo Zanirato
Keyword(s):  
Diethyl Ether ◽  
Boron Trifluoride ◽  
Room Temperature ◽  
Steric Factors ◽  
High Yields

The title compounds are obtained in moderate to high yields by BF3-assisted reaction of 1-benzothiophen-3(2 H)-one with nine ketones in diethyl ether at room temperature; the relative amounts of pyran 1 and ylidene 2 prove to be dependent upon electronic and steric factors.

Facile Conversion of Arenediazonium Salts to the Corresponding Fluoroarenes Using Boron Trifluoride Diethyl Ether Complex

1993 ◽  
Vol 23 (11) ◽  
pp. 1577-1582 ◽  
Author(s):  
Kojchi Shinhama ◽  
Shinji Aki ◽  
Takuya Furuta ◽  
Jun-ichi Minamikawa
Keyword(s):  
Diethyl Ether ◽  
Boron Trifluoride ◽  
Arenediazonium Salts ◽  
Ether Complex
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