| 摘要 |
The invention relates to a process for the production of 7-oxabicyclo-(2,2,1)hept-5-ene derivatives by conversion of acrylic acid esters and furanes in the presence of catalytic quantities of a Lewis acid. By use of Lewis acid, the reaction time is greatly reduced with good results in terms of product purity by comparison with known processes. The reaction products are intermediates, e.g. in the production of N-substituted acrylic acid amides.
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