所得的三环化合物经热分解和加氢反应，制备顺式和反式- 2,5 -二取代四氢呋喃。
The cis - or trans-2, 5-disubstituted tetrahydrofurans were provided by the hot decomposition and then hydrogenation of tricycle compounds produced.
结果表明标题化合物稳定，顺式构型分子内有氢键，反式则没有。
The results show that the title compound is stable; the cis configuration has intramolecular hydrogen bond while trans configuration dose not.
包括顺式导构体，共合成了20个新化合物。
Including cis isomers, 20 new cinnamamides were synthesized.
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