5620-35-9

Basic information

• Product Name: Pyridine-2,5-dicarbonyl chloride
• Synonyms: Pyridine-2,5-dicarbonyl chloride;pyridine-2,5-dicarbonyl dichloride
• CAS NO: 5620-35-9
• Molecular Formula: C₇H₃Cl₂NO₂
• Molecular Weight: 204.01022
• Mol File: 5620-35-9.mol
• Article Data: 13

Chemical Properties

• Appearance: /
• CAS DataBase Reference: Pyridine-2,5-dicarbonyl chloride(CAS DataBase Reference)
• NIST Chemistry Reference: Pyridine-2,5-dicarbonyl chloride(5620-35-9)
• EPA Substance Registry System: Pyridine-2,5-dicarbonyl chloride(5620-35-9)

Safety Data

• Hazardous Substances Data: 5620-35-9(Hazardous Substances Data)

Upstream product

• 100-26-5 Pyridine-2,5-dicarboxylic acid 

Downstream Products

• 313557-37-8 N,N′-diphenylpyridine-2,5-dicarboxamide 
• 6011-55-8 2,5-pyridinedicarboxylic dihydrazide 
• 1078168-78-1 C₂₁H₁₅N₃O₆ 
• 1172634-77-3 C₂₃H₂₁NO₂ 
• 1172634-76-2 C₂₃H₂₁NO₂ 
• 24202-70-8 pyridine-2,5-dicarboxylic acid dibenzyl ester 
• 40875-87-4 2,5-bis-(5-phenyl-oxazol-2-yl)-pyridine 
• 42239-18-9 2,5-bis(bromomethyl)pyridine 
• 37877-95-5 [2](1,4)benzeno[2](2,5)pyridinophane 
• 21514-99-8 2,5-bis[hydroxymethyl]-pyridine 
• 5552-44-3 ethyl 2,5-pyridinedicarboxylate 
• 4663-96-1 pyridine-2,5-dicarboxylic acid diamide 
• 102594-76-3 pyridine-2,5-dicarboxylic acid bis-phenacylamide 

Relevant articles and documents

Synthesis and characterization of new polyesters based on 2,5-bis[(4-chloro carboxyanilino) carbonyl] pyridine and aromatic diols

Six new polyesters 7a-f were synthesized through the solution polycondensation reaction of diacid chloride 5 with six aromatic diols 6a-f in N,N-dimethyl acetamide (DMAc) as solvent in the presence of pyridine as base. The polycondensation reaction produced a series of novel polyester containing pyridyl moiety in the main chain in high yields with inherent viscosities between 0.35 and 0.54 dL/g. The resulted polymers were fully characterized by means of FT-IR spectroscopy, elemental analyses, inherent viscosity and solubility tests. Thermal properties of these polymers were investigated by using thermal gravimetric analysis (TGA) and differentional thermal gravimetric (DTG). The glass-transition temperatures of these polyesters were recorded between 130 and 170 °C by differential scanning calorimetry (DSC) and the 10% weight loss temperatures were ranging from 390 to 450 °C under nitrogen.

A COMPOUND, A REACTION PRODUCT OF SAID COMPOUND AND PRODUCTION METHODS THEREOF

There is provided a compound represented by general formula (lb), wherein ring A is a carbocyclic or heterocyclic ring, a reaction product of the reaction between one or more said compounds and one or more amine containing compounds. Also provided is related production methods thereof.

Probing the intermolecular interactions of aromatic amides containing N-heterocycles and triptycene

A series of aromatic amides incorporated with N-heterocycles or triptycene units are synthesized and studied for probing the effects of such chemical modifications on the intermolecular interactions. Single crystals of a number of heterocyclic amides and the triptycene-containing amide were obtained. Crystal structures, hydrogen bonds, lattice energy, solubility, and melting points were compared amongst relevant molecules. Suitably positioned nitrogen atoms from heterocycles are found to form intramolecular H-bonds with amide NHs at the expense of weakening or disrupting the intermolecular H-bonds. The effects of such H-bonding changes on solubility and melting point are nonetheless limited. Uniquely, the triptycene unit effectively improves the solubility of the amide without tempering the thermal resistance of the molecule. This journal is the Partner Organisations 2014.