Synthesis and crystal structures of boratranes with methyl substituents on the atrane cage |
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| Authors: | Da Jung Kim Sang-deok Mun Sungwoo YoonChang Hwa Oh Hyoung-Ryun ParkTae-Soo You Junseong Lee Youngjo Kim |
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| Institution: | a Department of Chemistry, Chungbuk National University, Cheongju, Chungbuk 361-763, Republic of Korea
b Department of Chemistry, School of Basic Science, Chonnam National University, Gwangju 500-757, Republic of Korea |
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| Abstract: | Three monomeric boratranes B(OCH2CH2)nN(CH2CMe2O)3−n] (n = 0, 1; n = 1, 2; n = 2, 3) have been synthesized by the reaction of B(OMe)3 with a series of triethanolateamines such as (OCH2CH2)nN(CH2CMe2O)3−n]3− (n = 0, L1; n = 1, L2; n = 2, L3), where the number of CMe2 groups adjacent to the OH functionality varied from 3 (L1H3) to 2 (L2H3) to 1 (L3H3). These boratranes 1-3 have been characterized by solution 1H, 13C{1H} and 11B NMR, and the crystal structures of 1 and 2 have been determined by single crystal X-ray diffraction. |
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| Keywords: | Boron l-Aza-4 6 11-trioxa-5-boratricyclo[3 3 3 01 5]undecane Boratrane Tetradentate Triethanolateamine X-ray crystal structure Monomeric |
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