A novel β-lactam compound is a 7-substituted-2-oxa-7-azabicyclo[3.2.0]heptan-6-one represented by the general formula
in which R is an alkyl, cycloalkyl, aryl, halogen-substituted aryl or alkaryl group, having usefulness as an intermediate for the synthesis of various biologically active compounds. The compound can be prepared by the reaction of an isocyanate compound RNCO, R being the same as above, and 2,3-dihydrofuran, preferably under pressurization up to 2000 atmospheres or higher.
一种新型β-内酰胺化合物是一种 7-取代的-2-氧杂-7-
氮杂双环[3.2.0]
庚烷-6-酮,其通式为
其中 R 为烷基、环烷基、芳基、卤素取代的芳基或烷芳基,可用作合成各种
生物活性化合物的中间体。该化合物可通过
异氰酸酯化合物 RNCO(R 与上述相同)与
2,3-二氢呋喃反应制备,最好在加压至 2000 个大气压或更高的条件下进行。