Esteruelas Miguel A, Martínez Antonio, Oliván Montserrat, Vélez Andrea
Departamento de Química Inorgánica - Instituto de Síntesis Química y Catálisis Homogénea (ISQCH) - Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza - CSIC, 50009 Zaragoza, Spain.
J Org Chem. 2020 Dec 4;85(23):15693-15698. doi: 10.1021/acs.joc.0c01967. Epub 2020 Nov 6.
Pinacolborane, catecholborane, triethylsilane, triphenylsilane, dimethylphenylsilane, 1,1,1,3,5,5,5-heptamethyltrisiloxane, triethylgermane, triphenylgermane, and triphenylstannane deuterated at the heteroatom position have been catalytically prepared in 50-70% isolated yield, through H/D exchange between the D molecule and the respective boranes and hydrides of the group 14 elements, in the presence of the rhodium(I)-monohydride catalyst precursor RhH{κ-P,O,P-[xant(PPr)]} (xant(PPr) = 9,9-dimethyl-4,5-bis(diisopropylphosphino)xanthene).
在铑(I)-氢化物催化剂前体RhH{κ-P,O,P-[xant(PPr)]}(xant(PPr)=9,9-二甲基-4,5-双(二异丙基膦基)占吨)存在下,通过D分子与第14族元素各自的硼烷和氢化物之间的H/D交换,以50-70%的分离产率催化制备了在杂原子位置氘代的频哪醇硼烷、儿茶酚硼烷、三乙基硅烷、三苯基硅烷、二甲基苯基硅烷、1,1,1,3,5,5,5-七甲基三硅氧烷、三乙基锗烷、三苯基锗烷和三苯基锡烷。