A practical and efficient radical coupling of easily available arylthiodifluoroacetic acids and ethynylbenziodoxolone (EBX) reagents has been reported. Under transition metal-free conditions, aryl-substituted EBXs were converted to the corresponding ArSCF2-substituted alkynes in moderate to good yields, whereas TIPS-EBX underwent silver-catalyzed decarboxylative conditions to deliver the desired coupling
Divergent Construction of Thiochromanes and <i>N</i>-Arylbutanamides via Arylthiodifluoromethyl Radical-Triggered Cascade of Alkenes
作者:Yu Sun、Shu-Peng Zhang、Wen-Chao Yang
DOI:10.1021/acs.joc.3c01576
日期:2023.9.15
Fluorodecarboxylation: Synthesis of aryl trifluoromethyl ethers (ArOCF3) and thioethers (ArSCF3)
作者:Sankarganesh Krishanmoorthy、Simon D. Schnell、Huong Dang、Fang Fu、G.K. Surya Prakash
DOI:10.1016/j.jfluchem.2017.07.017
日期:2017.11
Fluorodecarboxylation of aryloxydifluoroacetic acid (ArOCF2CO2H) and arylmercaptodifluoroacetic acid (ArSCF2CO2H) towards ArXCF3 (X = O, S) using silver (I) salts in the presence of Selectfluor in a biphasic system with trifluoroacetic acid additive is discussed.
在具有三氟乙酸添加剂的双相体系中,在Selectfluor的存在下,使用银(I)盐存在下,使用银(I)盐将芳氧基二氟乙酸(ArOCF 2 CO 2 H)和芳基巯基二氟乙酸(ArSCF 2 CO 2 H)朝ArXCF 3(X = O,S)进行氟羧化讨论。