1.
J Org Chem
; 89(5): 3618-3628, 2024 Mar 01.
Artigo
em Inglês
| MEDLINE
| ID: mdl-38358945
RESUMO
A one-pot, sequential three-component reaction between salicylaldehyde, indole, and 2-bromoprop-2-ene-1-sulfonyl fluoride (BPESF) has been demonstrated for the synthesis of sulfonyl fluoride substituted 4H-chromene derivatives in moderate to excellent yields (45%-94%). This one-pot sequential method features easily available starting materials, wide substrate scope, mild conditions, and great efficiency.