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Novel organic compound and production thereof

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专利汇可以提供Novel organic compound and production thereof专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:Organic compounds of formula I (wherein R is a residue of arom. compd.; X is halogen; n is 0W4).
USE: Pigments which develop maroon, yellow, green-yellow, orange or brown color. The pigments have excellent weather resistance, heat resistance and migration resistance, exhibit high clarity. The compounds are useful for coloring paints and inks, and as a coloring matter for plastics.
PREPARATION: One mole of a 1,3-diiminoisoindoline of formula II is reacted with one mole of a diisocyanate compd. of formula III to obtain the desired compd. An example of the compd. of formula II is 1,3-diimino-4,5,6,7-tetrachloroisoindoline. Examples of the compd. of formula III are p-phenylene diisocyanate and chlorobenzene-3,5-diisocyanate. An example of the compd. of formula I is compd. of formula IV.
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