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Steric hindrance effects in the use of heterocyclic azodyestuffs as spectrophotometric reagents

✍ Scribed by W.J. Geary; F. Bottomley


Book ID
118990374
Publisher
Elsevier Science
Year
1967
Tongue
English
Weight
413 KB
Volume
14
Category
Article
ISSN
0039-9140

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Hindered biaryls and heterobiaryls are even easier to prepare by intramolecular free radical [1,5] ipso substition using sulfonamide and sulfonate tethering chains, since the introduction of either electron releasing or electron withdrawing groups ortho to the sulfonyl substituted acceptor ring faci