Phenolic benzothiazole derivatives and their use as corrosion in

Details Phenolic benzothiazole derivatives and their use as corrosion in Phenolic benzothiazole derivatives and their use as corrosion in

1989-08-14

1992-03-17

Howard, Jacqueline V.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548170, 548171, 252391, C07D27770

Patent

active

050970399

ABSTRACT:
Compounds of the formula I ##STR1## wherein R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the meaning given in claim 1 are formed by thermal rearrangement of the isomers of formula V ##STR2## especially in the presence of basic catalysts. The compounds are corrosion inhibitors for organic materials, in particular coating materials and lubricants. In these substrates they also act as antioxidants and light-stabilizers and are very stable to heat.

REFERENCES:
patent: 3161520 (1964-12-01), Rauch et al.
patent: 4289886 (1981-09-01), D'Amico
patent: 4427436 (1984-01-01), D'Amico

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