Regio- and stereoselectivity of 1,3-dipolar cycloaddition of cyclic aldonitrones of the 3-imidazoline 3-oxide series to monosubstituted alkenes
作者:T. A. Berezina、V. A. Reznikov、V. I. Mamatyuk、P. A. Butakov、Yu. V. Gatilov、I. Yu. Bagryanskaya、L. B. Volodarsky
DOI:10.1007/bf00717351
日期:1994.5
Regio- and stereoselectivity of 1,3-dipolar cycloaddition of cyclic aldonitrones of the 3-imidazoline 3-oxide series mainly depends on the type of the substituent in the dipolarophile. The configuration of the main cycloadduct has been determined, and a method has been suggested to establish the stereochemistry of the cycloaddition products by1H NMR spectroscopy. An increase in electron-acceptor properties
3-咪唑啉 3-氧化物系列的环状醛硝酮的 1,3-偶极环加成反应的区域选择性和立体选择性主要取决于亲偶极试剂中取代基的类型。确定了主要环加合物的构型,并提出了一种通过 1 H NMR 光谱建立环加成产物立体化学的方法。烯烃分子中取代基的电子受体性质的增加导致环加成的区域和立体选择性的降低。
MARTIN, V. V.;VOLODARSKIJ, L. B.;VOJNOV, M. A.;BEREZINA, T. A.;LELYUX, T.+, IZV. AN CCCP. CEP. XIM.,(1988) N 8, S. 1875-1882
作者:MARTIN, V. V.、VOLODARSKIJ, L. B.、VOJNOV, M. A.、BEREZINA, T. A.、LELYUX, T.+