Abstract
Three monomeric germatranes, 1-isopropoxy-3,3,7,7,10,10-hexamethyl-2,8,9-trioxa-5-aza-1-germatricyclo[3.3.3.0 1,5]undecane ( 1), 1-isopropoxy-3,3,7,7-tetramethyl-2,8,9-trioxa-5-aza-1-germatricyclo[3.3.3.0 1,5]undecane ( 2), and 1-isopropoxy-3,3-dimethyl-2,8,9-trioxa-5-aza-1-germatricyclo[3.3.3.0 1,5]undecane ( 3) have been synthesized by the reaction of Ge(O- i-Pr) 4 in refluxing toluene with corresponding triethanolamines, (HOCH 2CH 2) n N(CH 2CMe 2OH) 3− n ( n = 0, L1H 3 ; n = 1, L2H 3 ; n = 2, L3H 3 ), where the number of CMe 2 groups adjacent to a OH functionality varied from 3 ( L1H 3 ) to 2 ( L2H 3 ), and to 1 ( L3H 3 ). These germatranes 1– 3 have been characterized by solution 1H and 13C{ 1H} NMR and the solid state structure of 2 has been determined by single crystal X-ray diffraction.
Published Version
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