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Theoretical comparison of proximate peri and ortho substituent effects on proton chemical shifts

✍ Scribed by T. Herr; M.B. Ferraro; R.H. Contreras

Book ID
113257559
Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
439 KB
Volume
254
Category
Article
ISSN
0166-1280

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## Abstract The effect of substituents on the proton chemical shifts and spin–spin coupling constants in __ortho__‐, __meta__‐ __and para__‐substituted 5‐phenyltetrazoles (tetrazolic acids) in DMSO–CH~3~CN (1:1, v/v) was studied. With the __meta__‐ and __para__‐ substituted compounds the additivity