An article Enantio- and Diastereoselective Synthesis of Functionalized Carbocycles by Cu-Catalyzed Borylative Cyclization of Alkynes with Ketones WOS:000474795200052 published article about ENANTIOSELECTIVE CONSTRUCTION; QUATERNARY STEREOCENTERS; DOMINO REACTIONS; BIS(ETHYLENEDIOXYBORYL)METHIDE; DESYMMETRIZATION; CARBOBORATION; DEPROTONATION; DERIVATIVES; CARBANIONS; SULFURANES in [Zanghi, Joseph M.; Liu, Shuang; Meek, Simon J.] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA in 2019, Cited 48. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0. Quality Control of 1,3-Dimethoxybenzene
A single-pot Cu-catalyzed enantio- and diaster-eoselective tandem hydroboration/borylative cyclization of alkynes with ketones for the synthesis of carbocycles is reported. The reaction proceeds via desymmetrization and generates four contiguous stereocenters, including an all-carbon quaternary center. The method provides rapid access to [6,5]- and [5,5]-bicycles and cyclopentane products. Catalyst-controlled diastereoselectivity by selection of bisphosphine ligand is noted. Utility of the products is demonstrated by site- and chemoselective transformations that afford valuable alkenyl and allyl organoborons.
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