141341-45-9Relevant academic research and scientific papers
Metal-free oxysulfenylation of alkenes with 1-(arylthio)pyrrolidine-2,5-diones and alcohols
Yu, Jipan,Gao, Chang,Song, Zhixuan,Yang, Haijun,Fu, Hua
supporting information, p. 4846 - 4850 (2015/05/05)
β-Alkoxy sulfides are widely used as versatile building blocks in organic synthesis. Therefore, it is highly desirable to develop a convenient and efficient method for oxysulfenylation of alkenes. In this communication, an easy and efficient metal-free ap
Catalytic chalcogenylation under greener conditions: A solvent-free sulfur- and seleno-functionalization of olefins via I2/DMSO oxidant system
Vieira, André A.,Azeredo, Juliano B.,Godoi, Marcelo,Santi, Claudio,Da Silva Júnior, Eufranio N.,Braga, Antonio L.
, p. 2120 - 2127 (2015/05/12)
Herein, we report a solvent- and metal-free methodology for the alkoxy-chalcogenylation of styrenes, using molecular iodine as a catalyst, DMSO as a stoichiometric oxidant, and different nucleophiles under microwave irradiation. This eco-friendly approach afforded the desired products in good to excellent yields in only 10 min. In addition, using the same protocol, we carried out the cyclization reaction of relevant molecules, such as lapachol derivatives.
Highly selective activation of vinyl C-S bonds over aryl C-S bonds in the Pd-catalyzed coupling of (E)-(β-trifluoromethyl)vinyldiphenylsulfonium salts: Preparation of trifluoromethylated alkenes and dienes
Lin, Hao,Dong, Xicheng,Li, Yuxue,Shen, Qilong,Lu, Long
, p. 4675 - 4679 (2012/10/08)
We describe the Suzuki coupling reaction of (E)-(β-trifluoromethyl) vinyldiphenylsulfonium salts with arylboronic acid. The highly efficient and selective reaction provides a useful and mild method for the synthesis of trifluoromethylated alkenes and dienes. Subsequent DFT studies showed that the oxidative addition transition state of the vinyl C-S bond is much more favorable (11.7 kcal mol-1) than that of the aryl C-S bond. Copyright
Chiral sulfur-reagents for the preparation of optically active epoxides
Solladie-Cavallo,Adib
, p. 2453 - 2464 (2007/10/02)
Acyclic chiral sulfides which could be easily synthesized in both enantiomeric forms leading to poor yields and/or to racemic epoxides, Eliel's oxathiane reagent was used and proved to provide chiral trans diarylepoxides in high yield (70-80%) and enantiomeric purities up to 70-100%, with no rearrangement problems. It was also found that phase-transfer conditions were the easiest and the most efficient for these reactions.
