A Comparative Study on the Diastereofacial Control in the [4+2] Cycloaddition of Sorbates and the Ene Reaction of Tiglates with Singlet Oxygen and PTAD by a Variety of Chiral Auxiliaries
作者:Waldemar Adam、Sara G. Bosio、Hans-Georg Degen、Oliver Krebs、Dietmar Stalke、Dirk Schumacher
The auxiliary-induced diastereoselectivities of [4+2] cycloaddition and the ene reaction of singletoxygen and PTAD through a variety of auxiliaries is studied. The different trends in the diastereoselectivities that are observed for the diverse auxiliaries, which include 2,2-dimethyloxazolidines, a menthol derivative, several related cyclohexanes, and the Oppolzer sultam, are compared and backed by
Rigby, James H.; Ateeq, Humy S.; Charles, Nelly R., Journal of the American Chemical Society, 1993, vol. 115, # 4, p. 1382 - 1396
作者:Rigby, James H.、Ateeq, Humy S.、Charles, Nelly R.、Cuisiat, Stephane V.、Ferguson, Mark D.、Henshilwood, James A.、Krueger, A. Chris、Ogbu, Cyprian O.、Short, Kevin M.、Heeg
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Chemoselective cross-metathesis reaction between electron-deficient 1,3-dienes and olefins