Rozsar, Daniel published the artcileBifunctional Iminophosphorane Catalyzed Enantioselective Sulfa-Michael Addition to Unactivated α,β-Unsaturated Amides, Application of 2-Phenylethanethiol, the publication is Journal of the American Chemical Society (2022), 144(2), 1006-1015, database is CAplus and MEDLINE.
The first metal-free catalytic intermol. enantioselective Michael addition to unactivated α,β-unsaturated amides was described. Consistently high enantiomeric excesses and yields were obtained over a wide range of alkyl thiol pronucleophiles and electrophiles under mild reaction conditions, enabled by a novel squaramide-based bifunctional iminophosphorane (BIMP) catalyst. Low catalyst loadings (2.0 mol %) were achieved on a decagram scale, demonstrating the scalability of the reaction. Computational anal. revealed the origin of the high enantiofacial selectivity via anal. of relevant transition structures and provided substantial support for specific noncovalent activation of the carbonyl group of the α,β-unsaturated amide by the catalyst.
Journal of the American Chemical Society published new progress about 4410-99-5. 4410-99-5 belongs to alcohols-buliding-blocks, auxiliary class Thiol,Benzene, name is 2-Phenylethanethiol, and the molecular formula is C8H10S, Application of 2-Phenylethanethiol.
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