It is a bis thiourea derivative containing amino acids, synthesized in acetone and separated in aqueous media.
How do I convert it to a crystal?
Dear Imran ; you need to purification your product .first check the TLC , then decide whether you you can make CC or extraction , or precipation methods .
Without knowing the structure, it is hard.... is chromatography an option? you have to consider that many compounds are NOT crystaline, or if they are, you might spend the next 6 month trying! good luck
If the structure contains any free acid or amine group, one can Purify by acid base work up.
I try use reverse fase c60 ! in system with methanol e water as solvent first water and after water and methanol 1:1 ! hugs
Without the structure of this thiourea compound and without information on the reactants, its current appearance, its amount, and its potential impurities each answer to your question remains pure speculation.
So you now have the product in aqueous solution? Relatively small, relatively hydrophillic products are sometimes tricky to isolate.
You can try lyophilization + recrystallisation from a suitable solvent (mixture)? Just a thought... Hard to say without knowing more about the product.
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