Five-membered 2,3-dioxo heterocycles: LXXVII. [4 + 2]-Cycloaddition of alkyl vinyl ethers to 3-aroylpyrrolo[2,1-c][1,4]benzoxazine-1,2,4(4H)-triones |
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Authors: | E. E. Stepanova A. V. Babenysheva A. N. Maslivets |
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Affiliation: | 1.Perm State University,Perm,Russia |
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Abstract: | [4 + 2]-Cycloaddition of 3-aroylpyrrolo[2,1-c][1,4]benzoxazine-1,2,4(4H)-triones to alkyl vinyl ethers gave substituted stereoisomeric (1R*,16R*)- and (1S*,16R*)-16-alkoxy-14-aryl-3,15-dioxa-10-azatetracyclo[8.7.0.01, 13.04, 9]heptadeca-4,6,8,13-tetraene-2,11,12-triones. |
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