84632-66-6

Basic information

• Product Name: Pyrrolo3,4-cpyrrole-1,4-dione, 2,5-dihydro-3,6-bis(4-methylphenyl)-
• Synonyms: Pyrrolo3,4-cpyrrole-1,4-dione, 2,5-dihydro-3,6-bis(4-methylphenyl)-;2,5-Dihydro-3,6-bis(4-methylphenyl)-pyrrolo[3,4-c]pyrrole-1,4-dione;3,6-bis(4-Methylphenyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione
• CAS NO: 84632-66-6
• Molecular Formula: C₂₀H₁₆N₂O₂
• Molecular Weight: 316.35
• Mol File: 84632-66-6.mol

Chemical Properties

• Boiling Point: 645.2±55.0 °C(Predicted)
• Appearance: /
• Density: 1.33±0.1 g/cm3(Predicted)
• PKA: 8.88±0.60(Predicted)
• CAS DataBase Reference: Pyrrolo3,4-cpyrrole-1,4-dione, 2,5-dihydro-3,6-bis(4-methylphenyl)-(CAS DataBase Reference)
• NIST Chemistry Reference: Pyrrolo3,4-cpyrrole-1,4-dione, 2,5-dihydro-3,6-bis(4-methylphenyl)-(84632-66-6)
• EPA Substance Registry System: Pyrrolo3,4-cpyrrole-1,4-dione, 2,5-dihydro-3,6-bis(4-methylphenyl)-(84632-66-6)

Safety Data

• Hazardous Substances Data: 84632-66-6(Hazardous Substances Data)

Usage

Uses

Used in Pharmaceutical Industry:
Pyrrolo3,4-cpyrrole-1,4-dione, 2,5-dihydro-3,6-bis(4-methylphenyl)is used as a potential building block for the development of new drugs. Its unique structure and properties may contribute to the creation of pharmaceuticals with specific therapeutic effects.
Used in Organic Synthesis:
In the field of organic synthesis, Pyrrolo3,4-cpyrrole-1,4-dione, 2,5-dihydro-3,6-bis(4-methylphenyl)serves as a valuable intermediate or reactant. Its complex structure allows for the synthesis of a variety of organic compounds with diverse applications.
Used in Material Science:
Pyrrolo3,4-cpyrrole-1,4-dione, 2,5-dihydro-3,6-bis(4-methylphenyl)is utilized in material science for the development of new materials with specific properties. Its unique structure may contribute to the creation of materials with enhanced characteristics for various applications.

Upstream product

• 104-85-8 para-methylbenzonitrile 
• 117482-76-5 4-n-octadecylthiobenzonitrile 
• 924-88-9 diisopropyl succinate 

Downstream Products

• 1428232-25-0 C₂₈H₃₂N₂O₂ 
• 1600534-35-7 2,5-dioctyl-1,4-diketo-3,6-di(p-tolyl)pyrrolo[3,4-c]pyrrole 

Relevant articles and documents

Rational synthesis and comparative investigation on a series of fluorinated aryl substituted diketopyrrolopyrrole

We novelly designed and synthesized a set of fluorinated diphenyl-diketopyrrolopyrrole (DPP) compounds by varying the position and amount of fluorine atom, and to the best of our knowledge, it is the first time a difluoromethyl group and perfluoroalkyl ch

HEAT-STABLE DIKETOPYRROLOPYRROLE PIGMENT MIXTURES

The present invention relates to a process for the preparation of a mixture comprising at least two structurally different diketopyrrolopyrrole pigments of formula (1) wherein A1 and A2 are each independently of the other an aromatic or heteroaromatic radical, by reacting a succinic acid ester with at least one unsubstituted or substituted aromatic or heteroaromatic nitrile, which process comprises carrying out the reaction in the presence of at least one compound of formula (2) wherein A is an aromatic or heteroaromatic radical, R3is hydrogen, halogen, methyl, methoxy, -CF3 or -CN, R4 is a linear or, from C3 upwards, optionally branched C1-C30alkyl, C6-C10aryl or C6-C24aralkyl radical, X is -S-, -0-, -CR5R5'-, -COO-, -CONR5-, -SO-, SO2-, -SO2NR5- or -NR5 -and R5 and R5'are each independently of the other hydrogen or a linear or, from C3 upwards, optionally branched C1-C30alkyl, C6-C10aryl or C6-C24aralkyl radical, to the use of such a mixture in the colouring of organic material and in cosmetics, and also to novel diketopyrrolopyrrole pigment mixtures.

SOLVENT-FREE PROCESS FOR THE PREPARATION OF DIKETOPYRROLOPYRROLE DERIVATIVES

The present application relates to compounds of formula A(D)X(E)y, (I), compounds of formula (III), compounds of formula (X), as well as processes for the preparation thereof, processes where the compounds (I) are converted to pigments of formula (II) and the use of the compounds (I).

THE SYNTHESIS AND PROPERTIES OF 1,4-DIKETO-PYRROLOPYRROLES

Syntheses and mechanistic aspects of formation of 1,4-Diketopyrrolopyrroles (DPP) are discussed.The chemical reactivity of this novel class of heterocycles is illustrated by specific electrophilic aromatic and N-substitution reactions, as well as by nucleophilic transformations of the bicyclic lactam carbonyl group.X-ray structural analysis of the diphenyl-DPP molecule reveals significant intermolecular hydrogen bonding and ?-? interactions in the solid state.