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Reductive dimerization of 1,3,4,6-tetramethyl-2-phenylpyrimidinium bistetrafluoborate

✍ Scribed by James E. Douglass; David L. Bumgarner

Book ID: 112126360
Publisher: Journal of Heterocyclic Chemistry
Year: 1981
Tongue: English
Weight: 169 KB
Volume: 18
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570180240

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study ( < -30"C)1111. This is best evidenced by the upfield shift of protons H' (by 23Hz) and H5 (by 32Hz) on going from ( 3 ) to ( 5 ) , which simply reflects the increased availability of the lone pair for limited delocalization but is clearly inconsistent with the development of the diamagnetic r