110907-77-2

Upstream product

• 6832-15-1 1-diazo-3,3-dimethyl-2-butanone 
• 92886-86-7 tert-butyldiphenylsilyl triflate 

Downstream Products

• 126364-82-7 tert-butyl-(tert-butyldiphenylsilyl)-ketene 
• 126364-80-5 4-(tert-butyldiphenylsilyl)-2,2-dimethyl-cyclobutanone 
• 139130-66-8 1-(tert-butyldiphenylsilyl)-6-(2,2-dimethyl-1-oxopropyl)-1,4-dihydro-4,4-dimethylpyridazine 
• 181256-80-4 5-[1-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-prop-(E)-ylidene]-3,3-diphenyl-4-(2,4,6-trimethyl-phenyl)-4,5-dihydro-3H-[1,2,4]diazaphosphole 

Relevant academic research and scientific papers

Intramolecular Cyclopropanation of an Aromatic Nucleus by an Alkylidenecarbene: a Novel Access to Heptafulvenes

Thermolysis of the α-silylated α-diazoketone (1) at 80 deg C generates the electron-rich heptafulvene (2); the alkylidenecarbene (5) is the key intermediate of the reaction sequence.