Ozone-mediated reaction of aromatic acetals and acylal with nitrogen dioxide: a novel methodology for the nuclear nitration of acid-sensitive aromatic compounds under neutral conditions

1994 ◽  
pp. 1367 ◽  
Author(s):  
Hitomi Suzuki ◽  
Shuji Yonezawa ◽  
Tadashi Mori ◽  
Koichi Maeda
Keyword(s):  
Nitrogen Dioxide ◽  
Aromatic Compounds ◽  
Neutral Conditions

Mutagenicity of nitro derivatives induced by exposure of aromatic compounds to nitrogen dioxide

1981 ◽  
Vol 85 (4) ◽  
pp. 195-205 ◽  
Author(s):  
Hiroshi Tokiwa ◽  
Reiko Nakagawa ◽  
Kunimasa Morita ◽  
Yoshinari Ohnishi
Keyword(s):  
Nitrogen Dioxide ◽  
Aromatic Compounds ◽  
Nitro Derivatives

An intriguing effect of lithium perchlorate dispersed on silica gel in the bromination of aromatic compounds by N-bromosuccinimide

2005 ◽  
Vol 83 (2) ◽  
pp. 146-149 ◽  
Author(s):  
Mojtaba Bagheri ◽  
Najmedin Azizi ◽  
Mohammad R Saidi
Keyword(s):  
Silica Gel ◽  
Aromatic Compounds ◽  
Substitution Reaction ◽  
Room Temperature ◽  
Reaction Times ◽  
Lithium Perchlorate ◽  
Efficient Procedure ◽  
Electrophilic Bromination ◽  
Aromatic Bromination ◽  
Neutral Conditions

A convenient and efficient procedure for electrophilic aromatic bromination has been developed by mixing of N-bromosuccinimide and an aromatic compound at room temperature on the surface of silica gel mixed with solid anhydrous LiClO4. All of the substrates examined underwent clean electrophilic aromatic bromination in reaction times of a few minutes to afford the corresponding bromoarenes under neutral conditions in excellent yield. In the case of thiophenol, no substitution reaction occurred, and the corresponding disulfide was obtained in excellent yield.Key words: LP-SiO2, NBS, arenes, electrophilic bromination, regioselectivity.

Nitration of aromatic compounds under neutral conditions using the Ph2PCl/I2/AgNO3 reagent system

2011 ◽  
Vol 52 (39) ◽  
pp. 5081-5082 ◽  
Author(s):  
Najmeh Nowrouzi ◽  
Mohammad Zareh Jonaghani
Keyword(s):  
Aromatic Compounds ◽  
Neutral Conditions
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