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Steric and Chelate Directing Effects in Aromatic Borylation

✍ Scribed by Cho, Jian-Yang; Iverson, Carl N.; Smith, Milton R.

Book ID
120432008
Publisher
American Chemical Society
Year
2000
Tongue
English
Weight
89 KB
Volume
122
Category
Article
ISSN
0002-7863

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## Abstract The isomer distributions for the sulfonation of the twelve halogenotoluenes and some trisubstituted halogenomethylbenzenes, with both 98.4% H~2~SO~4~ at 25Β°C and sulfur trioxide in nitromethane at 0Β°C, have been determined and found to be very similar. The predominantly __para__‐directi