1.
Org Lett
; 23(18): 7100-7105, 2021 09 17.
Artigo
em Inglês
| MEDLINE
| ID: mdl-34436910
RESUMO
An efficient method for the Lewis acid promotion of the synthesis 9-phosphoryl fluorenes has been reported. This method focuses on ketone phosphonylation to form a C-P bond and a C-C bond between diphenylmethanone and H-phosphinate esters, H-phosphites, and H-phosphine oxides via phospha-aldol elimination, in which a series of 9-phosphoryl fluorene derivatives were selectively obtained in moderate to excellent yields.