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Hey Hive Mind I am having a huge issue separating a desired product from a starting material via fcc. I am a PhD student working on squaric acid chemistry and am trying to couple dimethyl squarate with a dihydroquinoxaline derivative that is boc protected on one nitrogen. 3 columns on silica later eluding with 5 percent meoh in dcm (the only thing I can get the products to move off the baseline with) and it is constantly co eluting. I have tried recrystalisation amd triturating and no luck. Does anyone have any suggestions. Tlc shows good separation but I just can't seem to separate these two spots
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