氟里昂-13置于磷酸三丁酯,铁粉 乙烯体系中,105.0 °C,686.48 Kpa 条件下,反应生成 1-氯-3,3,3-三氟丙烷 参考文献:Materials And Methods For The Conversion Of Hydrofluorocarbons 标题:Materials And Methods For The Conversion Of Hydrofluorocarbons 摘要:本文披露了一种回收有价值的氢氟碳化合物并将其转化为环境无害化合物的方法和材料.更具体地,提供了回收氢氟碳化合物(如hfc-227,Hfc-236,Hfc-245,Hfc-125,Hfc-134,Hfc-143,Hfc-152,Hfc-32,Hfc-23及其各自的异构体)的方法和材料.提供了将这些氢氟碳化合物转化为氟单体前体(如cfc-217,Cfc-216,Cfc-215,Cfc-115,Cfc-114,Cfc-113,Cfc-112,Hcfc-22,Cfc-12,Cfc-13及其各自的异构体)的过程.提供了将这些氟单体前体转化为氟单体(如hfp,Pfp,Tfp,Tfe和vdf)的材料,方法和方案.
专利号:US-12180132-B2 优先权日:2019-07-03 标题:Compositions and methods for synthesis of 2,3-dichloro-1,1,1,2-tetrafluoropropane and 2,3,3,3-tetrafluoropropene 发明人:SUN XUEHUI 权利人:CHEMOURS CO FC LLC 摘要:A method of synthesizing 2,3,3,3-tetrafluoropropene (1234yf) from 2-chloro-3,3,3-trifluoropropene (1233xf). The 2-chloro-3,3,3-trifluoropropene (1233xf) is reacted in the vapor phase, in the presence of a catalyst, at a temperature and pressure sufficient to selectively convert the 2-chloro-3,3,3-trifluoropropene (1233xf) to 2,3,3,3-tetrafluoropropene (1234yf) without the use of antimony-based catalysts.
专利号:US-5283336-A 优先权日:1992-09-08 标 题 :Method for preparation of 7-hydroxy-1,2,3,4-tetrahydroquinoline from 1,2,3,4-tetrahydroquinoline 发明人:FIELD GEORGE; HAMMOND PETER R 权利人:US ARMY 摘要:Methods for the efficient preparation of 7-hydroxy-1,2,3,4-tetrahydroquinoline include a first method in which the acylation of m-aminophenol obtains a lactam which is reduced to give the desired quinoline and a second method in which tetrahydroquinoline is nitrated and hydrogenated and then hydrolyzed to obtain the desire quinoline. 7-hydroxy-1,2,3,4-tetrahydroquinoline is used in the efficient synthesis of four lasing dyes of the rhodamine class.
专利号:US-2022306557-A1 优先权日:2019-07-03 标 题:Compositions and methods for synthesis of 2,3-dichloro-1,1,1,2-tetrafluoropropane and 2,3,3,3-tetrafluoropropene
专利号:US-2025074847-A1 优先权日:2019-07-03 标 题 :Compositions and methods for synthesis of 2,3-dichloro-1,1,1,2-tetrafluoropropane and 2,3,3,3-tetrafluoropropene
专利号:CN-1217313-A 优先权日:1997-09-23 标 题 :Synthesis of 1,1,1,3,3-pentafluoropropane
专利号:EP-0703205-B1 优先权日:1994-09-26 标题:Synthesis of 1,1,1,3,3-pentafluoropropane 发明人:WENDLINGER LAURENT; LANTZ ANDRE 权利人:ATOCHEM ELF SA
摘要:Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure, Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982, -(115), 1982 摘要:Gigiena i Sanitariya. For English translation, see HYSAAV., 28(12)(9), 1963