Related Products of 140924-50-1. Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 140924-50-1, Name is (Dhq)2phal. In a document type is Article, introducing its new discovery.
Enantioselective, desymmetrizing bromolactonization of alkynes
Asymmetric bromolactonizations of alkynes are possible using a desymmetrization approach. The commercially available catalyst (DHQD) 2PHAL promotes these cyclizations in combination with cheap NBS as a bromine source to give bromoenol lactones in high yield and with high enantioselectivity. The bromoenol lactone products, containing a tetrasubstituted alkene and a quaternary stereocenter, are valuable building blocks for synthetic chemistry.
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Reference£º
Chiral Catalysts,
Chiral catalysts – SlideShare