Convenient one-pot access to 2H-3-nitrothiochromenes from 2-bromobenzaldehydes, sodium sulfide and ß-nitrostyrenes.
Org Biomol Chem
; 17(26): 6355-6358, 2019 07 14.
Article
en En
| MEDLINE
| ID: mdl-31215939
ABSTRACT
An efficient synthesis of 2H-3-nitrothiochromenes via a cascade reaction was established. Starting from commercially available o-bromobenzaldehydes and ß-nitrostyrenes with sodium sulfide nonahydrate as an inexpensive sulfur source, various substituted thiochromenes were synthesized with high functional group tolerance without any added transition metal catalyst or additive.
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MEDLINE
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En
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Org Biomol Chem
Asunto de la revista:
BIOQUIMICA
/
QUIMICA
Año:
2019
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Article
País de afiliación:
Vietnam