Protodeboronation of thiophenboronic acids
作者： RD Brown , AS Buchanan , AA Humffray
DOI: 10.1071/CH9651521
关键词:
摘要: The relative rates of protodeboronation benzene-, thiophen-2-, and thiophen-3-boronic acids at 70° determined by an extrapolation procedure, are 1 : 7.1 x 103 8.5 105. reactivity for 2-substitution thus exceeds that found any other electrophilic substitution thiophen.
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