91459-29-9

Upstream product

• 3882-46-0 5H-indeno[1,2-b]pyridin-5-one 
• 120533-54-2 9-phenacylidene-4-azafluorene 
• 91459-27-7 3'-oxo-spiro-<4-azafluorene-9,1'-indane> 
• 98-86-2 acetophenone 
• 536-74-3 phenylacetylene 
• 87446-06-8 9-Phenylethynyl-4-azafluoren-9-ol 
• 91459-28-8 3'-Hydroxy-3'-phenylethynylspiro<4-azafluorene-9,1'-indan> 

Relevant academic research and scientific papers

PREPARATION OF 9-PHENYLETHYNYL-4-AZAFLUOREN-9-OL AND 9-PHENACYLIDENE-4-AZAFLUORENE AND THEIR CONVERSION TO SPIRO COMPOUNDS

9-Phenylethynyl-4-azafluoren-9-ol, which was obtained from 4-azafluorenone and phenylethynylmagnesium iodide, was used in syntheses of isomeric 9-phenacylidene-4-azafluorenes and spiro compounds with indene, indan, and pyrazoline fragments.It is assumed that conversion of 9-phenacylidene derivatives to spiro compounds takes place via intramolecular substitution.