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2,5-dimethyltetrahydrofuran
2,5-diméthyltétrahydrofurane
마지막 업데이트: 2014-11-21
사용 빈도: 2
품질:
the method of claim 1 wherein said 2,5-substituted tetrahydrofuran is 2,5-dimethyltetrahydrofuran.
procédé selon la revendication 1, dans lequel ledit tétrahydrofuranne 2,5-substitué est le 2,5-diméthyltétrahydrofuranne.
마지막 업데이트: 2014-12-04
사용 빈도: 2
품질:
the catalyst composition of claim 11 wherein the 2,5-substituted tetrahydrofuran is 2,5-dimethyltetrahydrofuran.
composition de catalyseur selon la revendication 11, dans laquelle le tétrahydrofuranne 2,5-substitué est le 2,5-diméthyltétrahydrofuranne.
마지막 업데이트: 2014-12-04
사용 빈도: 2
품질:
aluminum chloride promoted reaction of 2,5-dimethylfuran with ethyl cyanoformate affords, depending on the experimental conditions, cis and trans ethyl 5-cyano-2,5-dimethyl-2,5-dihydrofuran-2-carboxylates, 3 and 4, ethyl 2,5-dimethylfuran-3-carboxylate 5, 4,8-dicyano-1,2,4,8-tetramethyl-3,9-dioxatricyclo-[5.2.1.02,6]decane 6, and ethyl 3-(2,5-dimethyl-3-furyl)-5-cyano-2,5-dimethyltetrahydrofuran-2-carboxylate 7.
le chlorure d'aluminium initie la réaction du diméthyl-2,5 furanne avec le cyanoformate d'éthyle et conduit, selon des conditions expérimentales, aux cyano-5 diméthyl-2,5 dihydro-2,5 furanne carboxylates-2 d'éthyle cis et trans, 3 et 4; au diméthyl-2,5 furanne carboxylate-3 d'éthyle, 5; au dicyano-4,8 tétraméthyl-1,2,4,8 dioxa-3,9 tricyclo[5.2.1.02,6] décane, 6, et au (diméthyl-2,5 furyl-3)-3 cyano-5 diméthyl-2,5 tétrahydrofurannecarboxylate-2 d'éthyle 7.
마지막 업데이트: 2015-05-14
사용 빈도: 1
품질: