128694-01-9

Upstream product

• 128694-08-6 5-(ethylthio)-4-(p-nitrophenyl)-2-phenyl-6,6,7,7-tetramethyl-1,3,4-triazabicyclo<3.2.0>hept-2-ene 
• 41841-43-4 C₁₃H₉N₃O₂ 
• 1088-95-5 1-benzoyl-2-(p-nitrophenyl)hydrazine 
• 128693-99-2 2-(ethylthio)-3,3,4,4-tetramethyl-1-azetine 
• 128694-25-7 3,3,4,4-tetramethylazetidine-2-thione 
• 13423-22-8 3,3,4,4-tetramethyl-2-azetidinone 
• 3078-09-9 benzaldehyde p-nitrophenylhydrazone 
• 25939-13-3 N-(p-nitrophenyl)benzohydrazonoyl chloride 

Relevant academic research and scientific papers

A clean and efficient synthesis of 5-(2′-fluoro-2′,3′-dimethylbutan-3′-yl) substituted 1,2,4-oxadiazoles using silver tetrafluoroborate as a fluorodesulfurization reagent

5-Ethylthio-6,6,7,7-tetramethyl substituted 4-oxa-1,3-diazabicyclo[3.2.0]hept-2-enes undergo fluorodesulfurization with silver tetrafluoroborate to furnish high yields of 5-(2′-fluoro-2′,3′-dimethylbutan-3′-yl) substituted 1,2,4-oxadiazoles. Ethylthio substituted 1,2,4-triaza- and 1,3-diaza-bicyclo[3.2.0]hept-2-enes behave in a similar fashion to yield 5-(2′-fluoro-2′,3′-dimethylbutan-3′-yl) substituted 1,2,4-triazoles and imidazoles, respectively.

1,3-Dipolar Cycloadditions of 2-Ethoxy- and 2-(Ethylthio)-1-azetines with Nitrile Oxides, Nitrile Ylides and Nitrilimines: An Unexpected 1,2,4-Triazole Formation.

2-Ethoxy- and 2-(ethylthio)-1-azetines readily undergo 1,3-dipolar cycloadditions with nitrile oxides and nitrile ylides to give stable 4,5-bicyclic cycloadducts.With nitrilimines, however, the expected 1,3-dipolar cycloadducts and/or unexpected ring-open

1,3-Dipolar cycloadditions of 2-ethoxy- and 2-(ethylthio)-1-azetines with nitrilimines

1,3-Dipolar cycloadditions of diphenylnitrilimines with 2EtO-and 2EtS-tetramethyl-1-azetines (1a, b) are accompanied by ring-opening and loss of EtXH (X = O or S) to give 1,2,4-triazoles (3), whereas with N-(4-nitrophenyl) nitrilimines the expected cycloadducts and/or ring-opened products are formed.