Manufacture of mixed crystals and solid solutions of 1,4-diketopyrrolopyrroles

Prepn. of mixed crystals or solid solns. of 1,4-diketopyrrolo(3,4-c)pyrroles, consisting of 2 different cpds. of formula (I), comprises heating a mixt of these cpds. in solid form to 220-380 degrees C; in which A, B = pyridyl, pyrimidin-4-yl, thienyl, furyl or an opt. substd. phenyl, naphthyl or bri...

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Bibliographic Details
Main Authors HAO, ZHIMIN, IQBAL, ABUL, WALLQUIST, OLOF, MIZUGUCHI, JIN
Format Patent
LanguageEnglish
French
German
Published 01.04.1998
Edition6
Subjects
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
DYES
HETEROCYCLIC COMPOUNDS
LAKES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
ORGANIC CHEMISTRY
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
POLISHES
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:Prepn. of mixed crystals or solid solns. of 1,4-diketopyrrolo(3,4-c)pyrroles, consisting of 2 different cpds. of formula (I), comprises heating a mixt of these cpds. in solid form to 220-380 degrees C; in which A, B = pyridyl, pyrimidin-4-yl, thienyl, furyl or an opt. substd. phenyl, naphthyl or bridged biphenylyl gp. of the formula (a) - (c). R1, R2 = H, halogen, 1-18 C alkyl, 1-18 C alkoxy, 1-18 C alkylmercapto, 1-18 C alkylamino, 2-18 C alkoxycarbonyl, 2-18 C alkylaminocarbonyl, -CN, -NO2, phenyl, CF3, 5-6 C cycloalkyl, -C=N(1-18 C alkyl), (benz)imidazolyl, pyrazolyl, triazolyl, piperazinyl, (benz)oxazolyl, benzothiazolyl, morpholinyl, piperidyl, pyrrolidinyl or gp. of the formula (d). G = -CH2-, -CHMe-, -CMe2-, -CH=N-, -O-, -S-, -SO-, -SO2-, -CONH- or -NR7-; R3, R4 = H, halogen, 1-6 C alkyl, 1-18 C alkoxy or CN; R5, R6 = H. halogen or 1-6 C alkyl; R7 = H or 1-6 C alkyl.
Bibliography:Application Number: EP19960810602