Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1979-02-23
1983-01-11
Howard, Jacqueline V.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252429R, 252438, 260396N, C07C 166
Patent
active
043681409
ABSTRACT:
Halogenation is carried out regiospecifically in the presence of a cyanoquinone.
REFERENCES:
patent: 3162641 (1964-12-01), Acker et al.
patent: 3558671 (1971-01-01), Martin
patent: 3739008 (1973-06-01), Martin
R. C. Wheland & Wheland & E. L. Martin, "Synthesis of Substituted 7,7,8,8-Tetracyanoquinodimethanes", J. Org. Chem., vol. 40, No. 21, 1975, pp. 3101-3109.
Brennan M. P.
Goldstein S. J.
Howard Jacqueline V.
The Procter & Gamble & Company
Yetter J. J.
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