119754-26-6

Upstream product

• 112776-84-8 4-iodo-2,6-pyridinedicarboxylic acid dimethyl ester 
• 14235-81-5 4-Ethynylaniline 
• 162102-79-6 dimethyl 4-bromo-2,6-pyridinedicarboxylate 
• 82815-75-6 <4-(4-aminophenyl)>-2-methyl-3-butyn-2-ol 
• 540-37-4 p-aminoiodobenzene 

Relevant academic research and scientific papers

Lanthanide triple-stranded helical complexes with a substituted 2,6-pyridinedicarboxylate

A 4-aminophenylethynyl substituent has been grafted into the 4-position of the pyridine ring in dipicolinic acid to yield ligand L4 the pKa's of which are 8.77(5), 3.54(3), 2.58(1) and 1.01(3). Ligand L4 reacts with trival

Synthesis of Some Substituted Dimethyl and Diethyl 4-(Phenylethynyl)-2,6-pyridinedicarboxylates

Substituted dimethyl and diethyl 4-(phenylethynyl)-2,6-pyridinedicarboxylates were prepared by coupling reactions between dialkyl 4-halo-2,6-pyridinedicarboxylates and terminal arylacetylenes in the presence of an organopalladium catalyst and copper(I) iodide in a suitable solvent system.The terminal acetylenes needed in this work were synthesized from the corresponding aryl halides using either (trimethylsilyl)acetylene or 2-methyl-3-butyn-2-ol followed by deprotection of the triple bond, depending on the nature of the compound in question.