New or improved syntheses of the polyfluoroalcohols HOC(cyclo-C6H11)2(CF3), HO(cyclo-C6H11)(CF3)2, and HOC(Ar)(CF3)2 (Ar = 4-C6H4(t-Bu), 2,4,6-C6H2(CF3)3, 4-Si(i-Pr)3-2,6-C6H2(CF3)2, 3,5-C6H3(CH3)2), and 2-C6H4(C(OH)(CF3)2)
作者:Thomas J. Barbarich、Benjamin G. Nolan、Shoichi Tsujioka、Susie M. Miller、Oren P. Anderson、Steven H. Strauss
DOI:10.1016/s0022-1139(01)00471-7
日期:2001.12
Five new polyfluoroalcohols, HOC(cyclo-C6H11)2(CF3), HO(cyclo-C6H11)(CF3)2, HOC(2,4,6-C6H2(CF3)3)(CF3)2, HOC(4-Si(i-Pr)3-2,6-C6H2(CF3)2)(CF3)2, and HOC(3,5-C6H3(CH3)2)(CF3)2, have been synthesized, and new procedures with improved yields for two known polyfluoroalcohols (HOC(cyclo-C6H11)(CF3)2, HOC(4-C6H4(t-Bu))(CF3)2) have been developed. Variable temperature NMR spectra and the X-ray structure of
五种新的多氟醇HOC(环-C 6 H 11)2(CF 3),HO(环-C 6 H 11)(CF 3)2,HOC(2,4,6-C 6 H 2(CF 3)3)(CF 3)2,HOC(4-Si(i -Pr)3 -2,6-C 6 H 2(CF 3)2)(CF 3)2和HOC(3,5-C 6 H 3(CH 3)2)(CF3)2,已经合成,并且对两种已知的多氟醇(HOC(cyclo-C 6 H 11)(CF 3)2,HOC(4-C 6 H 4(t -Bu))(CF 3)2)已经开发。新型多氟醇之一HOC(2,4,6-C 6 H 2(CF 3)3)(CF 3)2的可变温度NMR光谱和X射线结构,也有报道。在烃溶液中,OH的氢与所述一个的氟原子中的一个,该化合物相互作用的原子ö -CF 3基团以这样的方式与先前由我们HOC(4-硅(报告我-Pr)3 - 2,6-C 6 H 2(CF 3)2)(CF 3)2。然而,在固态下,HOC(2