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Grundlagen der Wirkung von Sulfamid‐ und Methylsulfongruppen in Farbstoffen: Hammett's σ‐Werte und Solvatationseffekte. Mitteilung über Komplexfarbstoffe. 1. Mitteilung über Komplexfarbstoffe
Author(s) -
Zollinger Hch.,
Wittwer C.
Publication year - 1956
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19560390203
Subject(s) - chemistry , substituent , hammett equation , medicinal chemistry , reaction rate constant , kinetics , physics , quantum mechanics
1. Hammett 's σ‐values of the substituent SO 2 NH 2 are determined. There are two values for this substituent if it is in p‐position of the reacting substituent. This shows that the, sulphamide group involves a – M effect.

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