53378-71-5Relevant articles and documents
Substituted tetrahydropyrimidines and octahydrophenanthridines
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, (2008/06/13)
This invention relates to certain substituted tetrahydropyrimidines and derivatives thereof, including the preparation and uses thereof.
Process of preparing hexahydropyrimidines
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, (2008/06/13)
This invention relates to hexahydropyrimidines (HHP) of the formula STR1 where R' is a substituted group and R is hydrogen or a substituted group; the process of preparing and the uses therefor, particularly as deterioration inhibitors in hydrocarbon fuels.
Hexahydropyrimidines as anti-oxidants in natural and synthetic rubbers
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, (2008/06/13)
This invention relates to the use of hexahydropyrimidines (HHP) as anti-oxidants for elastic materials such as rubber. The preferred hexahydropyrimidines contain at least one cycloalkylene or substituted cycloalkylene group and most preferably three cycloalkylene groups as illustrated by 2,2,4,4-dipentamethylene-5,6-tetramethylene hexahydropyrimidine.