Ethyl 4,4-difluoro-3-oxobutyrate CAS:352-24-9

Kei te Ethyl 4,4-difluoro-3-oxobutyrate tētahi hanganga e piri ana tētahi rōpū difluoromethyl (-CF2) ki tētahi tuarā β-ketoester, ā, ka whakakapia tētahi o ngā hauwai ki tētahi rōpū ethyl (-C2H5). Ka pāngia ōna āhuatanga ā-tinana me ā-matū e tēnei whirihoranga hanganga. I te nuinga o te wā he wai kore tae, he kohua tata ki te 130°C, ā, he mātotoru tata ki te 1.27 g/cm³. He iti noa te wairewa o te matū ki te wai, engari ka tere te wairewa ki ngā whakarewa waro pērā i te etanoru me te acetone. Ngā Whakamahinga Ahumahi Kakara: He whānuitia te whakamahinga o te Ethyl 4,4-difluoro-3-oxobutyrate i roto i te rāngai kakara nā tōna kakara hua. He kai nui tēnei i roto i ngā hinu kakara, ngā cologne, me ētahi atu hua kakara. Te Hanganga Matū: He poraka hanga maha te mahi a te matū i roto i te hanga waro. Ka whai wāhi atu ki ngā tauhohenga maha hei whakaputa i ngā mea e whai hua ana i roto i ngā ahumahi rongoā me te ahuwhenua. Waenga: I roto i te matū waro, ko te ethyl 4,4-difluoro-3-oxobutyrate te takawaenga mō te hanga o ngā matū matatini ake, e whai wāhi ana ki te whanaketanga o ngā rauemi hou me ngā tukanga matū. Te Hanga Ka taea te hanga i te Ethyl 4,4-difluoro-3-oxobutyrate mā roto i ētahi tikanga. Ko tētahi huarahi noa ko te tauhohenga i waenga i te ethyl acetoacetate me te 2,2-difluoroethyl bromide i raro i ngā āhuatanga taketake. Mā tēnei tauhohenga ka puta te ethyl 4,4-difluoro-3-oxobutyrate hei hua matua, ka taea te purea kia whiwhi ai i ngā hua teitei me te parakore. Hei whakarāpopototanga, he matū maha ngā mahi a te ethyl 4,4-difluoro-3-oxobutyrate e tika ana mō te hanga kakara, te hanga matū, me ngā tono ahumahi. Ko ōna āhuatanga motuhake, tae atu ki te wairewa me te hanganga matū motuhake, e whai hua ai puta noa i ngā rāngai rerekē, e whai wāhi nui ana ki te hanga o ngā hua kaihoko me ngā hua ahumahi kanorau.