Substituted 2,2'-bipyridyl compounds and process for preparing s

Details Substituted 2,2'-bipyridyl compounds and process for preparing s Substituted 2,2'-bipyridyl compounds and process for preparing s

1979-05-21

1981-05-12

Randolph, John D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

424263, 546 2, C07D21322

Patent

active

042673356

ABSTRACT:
A process for preparing substituted 2,2'-bipyridyl compounds and several compounds so prepared, the process comprising the steps of first selecting a substituted pyridine of the formula defined herein, then mixing a stoichiometric excess of the substituted pyridine with an amount of sodamide, causing the resultant mixture to be at a temperature sufficiently high to cause substituted 2,2'-bipyridyl formation, and isolating the substituted 2,2'-bipyridyl thereby formed. The new substituted 2,2'-bipyridyl compounds are selected from the group consisting of 4,4'-di-(5-nonyl)-2,2'-bipyridyl; 4,4'-di-(3-pentyl)-2,2'-bipyridyl; 6,6'-di-(3-pentyl)-2,2'-bipyridyl; 6,6'-di-(5-nonyl)-2,2'-bipyridyl; 4,4'-di-(cyclohexylmethyl)-2,2'-bipyridyl; 5,5'-di-(5-nonyl)-2,2'-bipyridyl; 4,4'-di-(3-phenylpropyl)-2,2'-bipyridyl; 4,4'-di-(4-tetrahydropyranyl)-2,2'-bipyridyl; 4,4'-di-benzyl-2,2'-bipyridyl; 6,6'-di-isoamyl-2,2'-bipyridyl; and 4,4'-di-(t-butyl)-2,2'-bipyridyl.

REFERENCES:
Cheuychit et al., J. Chem. Soc. 1964, pp. 4557-4560.
Hart et al., Chem. Abstracts vol. 71, abst. no. 27030n (1969).
Hart et al., Chem. Abstracts vol. 74, abst. 47,815n (1971).
Brown et al., J. Am. Chem. Soc. vol. 88, pp. 986-992 (1966).
Chemical Abstracts, Sixth Collective Index, p. 1835 s.
Chemical Abstracts, Seventh Collective Index, pp. 3599 s and 3600 s.

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