Highly asymmetric dihydroxylation of 1-aryl-1′-pyridyl alkenes
…, M Maddess, P O'Shea, R Tillyer, EJJ Grabowski…
Index: Wang, Xin; Zak, Mark; Maddess, Mathew; O'Shea, Paul; Tillyer, Richard; Grabowski; Reider, Paul J. Tetrahedron Letters, 2000 , vol. 41, # 25 p. 4865 - 4869
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Citation Number: 15
Abstract
The chiral 1,1′-diaryl-1,2-ethanediols, especially diols containing one pyridyl heterocycle, are important intermediates in our drug development programs. We anticipated that these diols could be prepared efficiently via a Sharpless asymmetric dihydroxylation 1. and 2. of 1,1′-diarylalkenes (Scheme 1). While the Sharpless asymmetric dihydroxylation is well studied on a variety of alkenes, to our knowledge, there is no published precedent for 1,1′-diarylalkenes. We, ...
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