An environmentally friendly and resourceful modular protocol for the synthesis of phosphorochalcogenoates, phosphorochalcogenothioates, and phosphinothioates under blue light-emitting diode irradiation is described. The blue LED-promoted P-S, P-Se, and P-Te bond constructions occurred under metal-free, ligand-free, oxidant-free, and photocatalyst-free conditions with minimum chemical waste generation and high atom economy providing the resulting phosphorochalcogenoates, phosphorochalcogenothioates, and phosphinothioates in good to excellent yields.
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http://dx.doi.org/10.1021/acs.joc.2c00323 | DOI Listing |
J Org Chem
May 2023
School of Chemistry, Bharathidasan University, Tiruchirappalli 620 024, India.
Blue LED-promoted cross-coupling olefination of symmetrical and unsymmetrical 3-arylidene oxindoles has been described from diazoindolones and diphenylmethanethiones. Thermal olefin isomerization and stereoselective synthesis of 3-arylidene oxindoles were also demonstrated in good yield.
View Article and Find Full Text PDFJ Org Chem
July 2022
Department of Chemistry, National Chung Hsing University, Taichung City, Taiwan 402, R.O.C.
An environmentally friendly and resourceful modular protocol for the synthesis of phosphorochalcogenoates, phosphorochalcogenothioates, and phosphinothioates under blue light-emitting diode irradiation is described. The blue LED-promoted P-S, P-Se, and P-Te bond constructions occurred under metal-free, ligand-free, oxidant-free, and photocatalyst-free conditions with minimum chemical waste generation and high atom economy providing the resulting phosphorochalcogenoates, phosphorochalcogenothioates, and phosphinothioates in good to excellent yields.
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