Efficient and Systematic Click-Based Synthetic Routes to Amino Acid Functionalized Metallatricarbadecaboranes
作者:Ariane Perez-Gavilan、Patrick J. Carroll、Larry G. Sneddon
DOI:10.1021/om201044r
日期:2012.4.9
copper-catalyzed click azide addition, with the triazole-linked structure of 7 crystallographically established. Subsequent click addition reactions of the N-azidoacetyl amino acid methyl esters to 4 yielded a wide range of amino acid functionalized ferratricarbadecaboranyl complexes: 1-(η5-C5H5)-2-(p-(1-(Xaa-C(O)CH2)-1H-1,2,3-N3C2-4-)C6H4)-closo-1,2,3,4-FeC3B7H9 (Xaa = PheOMe (8), LeuOMe (9), ValOMe (10)
已经开发了用于系统地合成氨基酸官能化的金属三碳杂硼烷基硼烷基络合物的通用方法,该方法采用了铜催化的N-叠氮基乙酰基氨基酸甲酯与金属三碳杂硼烷基硼烷笼的笼碳上的对乙炔基苯基取代基的点击加成反应。三甲基甲硅烷保护的p -ethynylphenyl栗+ [6-(p - ((CH 3)3 SiC≡C)C 6 H ^ 4) -巢-5,6,9-C 3乙7 ħ 9 - ](1)tricarbadecaboranyl阴离子经由反应合成蛛网膜下腔-4,6--C 2乙7 ħ 12 -与p - ((CH 3)3 SiC≡C)C 6 H ^ 5 CN。的反应1用(η 5 -C 5 H ^ 5)的Fe(CO)2 I和(η 5 -C 5 H ^ 5)的Ru(CH 3 CN)3 PF 6产生1-(η 5 -C 5 H ^ 5) -2-(p-((CH3)3 SiC≡C)C 6 H ^ 4) -闭合碳-1,2,3,4- MC