Substituent Interaction with Ring Sulfur in some Heterocyclic Compounds
The infrared carbonyl absorptions of 7-acetyl-1,2-benzisothiazoles are similar to 7-acetylbenzothiophenes, but are lower by approximately 15 cm-1 than the corresponding benzofurans.The reasons for this are discussed.
McKinnon, David M.,Abouzeid, A. A.
p. 749 - 752
(2007/10/02)
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