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Regio- and stereoselective cycloadditions of (1Z, 4R*, 5R*)-arylmethylidene-4-benzoylamino-5-phenylpyrazolidin-3-on-1-azomethine imines to methyl methacrylate
Authors: Novak Ana | Bezenšek Jure | Pezdirc Lidija | Grošelj Uroš | Stanovnik Branko | Šimůnek Petr | Svete Jurij
Year: 2011
Type of publication: ostatní - přednáška nebo poster
Page from-to: nestránkováno
Titles:
Language Name Abstract Keywords
eng Regio- and stereoselective cycloadditions of (1Z, 4R*, 5R*)-arylmethylidene-4-benzoylamino-5-phenylpyrazolidin-3-on-1-azomethine imines to methyl methacrylate Regio- and stereoselectivity of cycloadditions of racemic (1Z,4R*,5R*)-1-arylmethylidene-4-benzyloxycarbonylamido-5-phenyl-3-pyrazolidinon-1-azomethine imines to methyl methacrylate was studied. Stereocontrol was dependent on the ortho-substituents at the 1’-arylgroup in dipole. The structures of cycloadducts were studied by NMR and X-ray. cycloaddition, imine, methyl methacrylate