Wang, Linqing; Yang, Dongxu; Li, Dan; Liu, Xihong; Wang, Pengxin; Wang, Kezhou; Zhu, Haiyong; Bai, Lutao; Wang, Rui published an article in 2018, the title of the article was The Important Role of the Byproduct Triphenylphosphine Oxide in the Magnesium(II)-Catalyzed Enantioselective Reaction of Hemiacetals and Phosphorus Ylides.Formula: C9H10O2 And the article contains the following content:
By employing a simple in situ generated magnesium catalyst, a direct asym. reaction between hemiacetals and phosphorus ylides was achieved through a tandem Wittig-oxa-Michael reaction sequence. Enantioenriched chromans, isochromans, and tetrahydropyrans were obtained in good chem. yields, and (-)-erythrococcamide B was synthesized in enantioenriched form. The byproduct triphenylphosphine oxide was identified as a necessary additive for this process. The experimental process involved the reaction of Isochroman-3-ol(cas: 42900-89-0).Formula: C9H10O2
The Article related to triphenylphosphine oxide byproduct magnesium catalyst enantioselective hemiacetal phosphorus ylide, asymmetric synthesis, chiral ethers, hemiacetals, magnesium, phosphorus ylides and other aspects.Formula: C9H10O2
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