氟丙烷 的英文怎麼說
中文拼音 [fúbǐngwán]
氟丙烷
英文
fm200 hfc-227ea-
Using bf3 - et2o as a catalyst, the title compound was synthesized from allyl alcohol and epichlorohydrin by a series reaction included addition and cyclization
烯丙醇和環氧氯丙烷在三氟化硼乙醚絡合物的催化作用下進行加成和環化反應制得標題化合物。A new convenient synthesis of a series of polyfluoroalkyl substituted cyclopropane derivatives was achieved by the reaction of polyfluoroalkyl iodides with diethyl allylmalonate in the presence of sodium dithionite in 45 % ~ 55 % yields
摘要以連二亞硫酸鈉為引發劑,烯丙基丙二酸二乙酯與多氟烷基碘代烷在溫和條件下反應,方便地得到一系列多氟烷基取代的環丙烷衍生物,產率45 % ~ 55 % 。The reaction of ethyl allylacetoacetate with polyfluoroalkyl iodides under similar conditions gave the corresponding adducts, which were sequentially treated with base to the cycization products
在相同條件下,烯丙基乙酰乙酸乙酯與多氟烷基碘代烷反應得到相應的加成物,加成物隨後用堿處理也得到環合的產物。It also supplies liquid oxygen, liquid nitrogen, acetylene, carbon dioxide, hydrogen, propane, freon, liquid ammonia, and rare element gas
還兼營液氧、液氮、液氬、乙炔氣、二氧化碳、氫氣、丙烷氣、氟里昂、液氨及其他高純和稀有氣體。Application of fire extinguishing system with seven fluorine propane gas to archives of air china
七氟丙烷氣體滅火系統在國航檔案館工程中的應用分享友人