1220997-95-4

Upstream product

• 16714-25-3 2-azidobenzaldehyde 
• 905565-93-7 1-(2-azidophenyl)but-2-yn-1-ol 
• 1207874-95-0 1-azido-2-(but-2-ynyl)benzene 
• 603-35-0 triphenylphosphine 

Downstream Products

• 1220998-11-7 C₁₄H₁₆N₂ 
• 1220998-14-0 ((2-but-2-ynyl)phenyl)phenylcarbodiimide 
• 1220998-13-9 ((2-but-2-ynyl)phenyl)cyclohexylcarbodiimide 
• 1220998-12-8 benzyl-((2-but-2-ynyl)phenyl)carbodiimide 
• 1445988-70-4 bis[2-(2-butyn-1-yl)phenyl]carbodiimide 
• 1445988-76-0 2-(2-butyn-1-yl)phenyl isothiocyanate 
• 1445988-72-6 3-(2-butyn-1-yl)-N-[[2-(2-butyn-1-yl)phenyl]carbonimidoyl]-2-naphthalenamine 
• 1445988-84-0 N-[3-(2-butyn-1-yl)-2-naphthalenyl]-N'-[2-(2-butyn-1-yl)phenyl]thiourea 

Relevant academic research and scientific papers

Intramolecular pauson-khand reaction of alkyne-ketenimines and related [4+2] and [2+2] cycloadditions

The first examples of intramolecular Pauson-Khand reactions involving ketenimines are reported. The alkyne-ketenimines participate through the C=C bond of the ketenimine fragment in the [2+2+1] cyclization process giving rise to cyclopenta[b]quinolin-2-ones. In the absence of metal carbonyl complexes, two competitive periselective cycloadditions occur when the alkyne-ketenimines are heated in benzene solution: a [4+2] process leading to benz[b]acridines as the major products, and a [2+2] route giving minor amounts of cyclobuta[b]quinolines.

Dibenzopyrrolo[1,2-a][1,8]naphthyridines: Synthesis and Structural Modification of Fluorescent L-Shaped Heteroarenes

The L-shaped, π-extended pentacycle dibenzopyrrolo[1,2-a][1,8]naphthyridine and its derivatives were synthesized using two methods: fully intramolecular [2 + 2 + 2] cycloaddition and oxidative aromatization using substituted carbodiimide and modification of an electron-rich indole ring of an L-shaped skeleton via electrophilic reaction and cross-coupling. These L-shaped compounds emitted fluorescence in high quantum yield. The position of substituents affected the fluorescence color through two different mechanisms, π-conjugation and skeletal distortion, which caused the substituted L-shaped compounds to emit fluorescence in a variety of colors and to exhibit solvato-fluorochromism.

A facile synthesis of pyrrolo[2,3-b]quinolines via a Rh(i)-catalyzed carbodiimide-Pauson-Khand-type reaction

A new straightforward synthetic method for 2,3-dihydro-1H-pyrrolo[2,3-b] quinolin-2-ones via a [RhCl(CO)2]2-dppp catalyzed Pauson-Khand-type reaction of N-[2-(2-alkyn-1-yl)phenyl]carbodiimides is reported. The Royal Society of Chemis