Iron-Catalyzed Cadiot-Chodkiewicz Coupling with High Selectivity in Water under Air.
J Org Chem
; 87(21): 13698-13707, 2022 Nov 04.
Article
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| MEDLINE
| ID: mdl-36164765
An iron-based catalytic system was developed for the cross-coupling of 1-bromoalkynes with terminal alkynes to selectively generate unsymmetrical 1,3-butadiynes in water under air. It was found that a combination of 1-bromoalkynes derived from less acidic terminal alkynes with more acidic counterparts would greatly enhance yields and selectivity for unsymmetrical 1,3-butadiynes. The reaction was also applicable for the synthesis of unsymmetrical 1,3,5-hexatriynes through coupling of 1-bromoalkynes and trimethylsilyl-protected 1,3-butadiynes in a one-pot manner.
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1
Colección:
01-internacional
Base de datos:
MEDLINE
Idioma:
En
Revista:
J Org Chem
Año:
2022
Tipo del documento:
Article
País de afiliación:
Taiwán
Pais de publicación:
Estados Unidos