2-X-1, 2-Difluoroalk-1-enyldifluoroboranes 与二氟化氙的反应。1, 2-Difluoroalk-1-enylxenon (II) 盐的系统方法
摘要:
2-X-1, 2-Difluoroalk-1-enylxenon(II) 盐是通过 XeF2 与 XCF=CFBF2 (X = F, trans-H, cis-Cl, trans-Cl, cis-CF3, cis -C2F5) 但在类似条件下使用硼烷的反式异构体反式-XCF=CFBF2 (X = CF3、C4F9、C4H9、Et3Si) 时,没有得到有机氧 (II) 化合物。Reaktionen von 2-X-1, 2-Difluoralk-1-enyldifluorboranen mit Xenondifluorid。Untersuchung des methodischen Zugangs zu 1, 2-Difluoralk-1-enylxenon(II)salzen 2-X-1, 2-Difluoralk-1-enylxenon(II)salze wurden bei der Reaktion
Polyfluoroalken-1-yldifluoroboranes RCF=CFBF2 (R = F, cis-, trans-Cl, trans-C4F9, cis-C2F5, cis-C6F13, trans-C4H9, trans-C6H5) were prepared by defluoridation of the corresponding fluoroborate salts K[RCF=CFBF3] using boron trifluoride in dichloromethane or fluorotrichloromethane. The alkenylboranes were characterised by H-1-, B-11- and F-19-NMR spectroscopy. Their reactivity towards ether, water and anhydrous HF was investigated. (C) 2001 Elsevier Science V.B. All rights reserved.