JPH027951B
PURPOSE:To obtain the titled high-purity compound useful as drugs, etc., by reacting raw 4-carbamoylimidazolium-5-oleate with an acid, isolating a reaction product as a corresponding salt, reacting the salt with a base, eliminating and removing an acid, purifying the titled compound. CONSTITUTION:Cr...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PURPOSE:To obtain the titled high-purity compound useful as drugs, etc., by reacting raw 4-carbamoylimidazolium-5-oleate with an acid, isolating a reaction product as a corresponding salt, reacting the salt with a base, eliminating and removing an acid, purifying the titled compound. CONSTITUTION:Crystal of raw 4-carbamoylimidazolium-5-oleate is reacted with an acid in water or an organic solvent in a pH of |
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