Abstract
N-Formylpyroglutamic acid-7-amido-4-methylcoumarine and pyroglutamyl-pyroglutamic acid-7-amido-4-methylcoumarin are the major products in the synthesis of pyroglutamic acid-7-amido-4-methylcoumarin by phosphorus pentachloride in dimethylformamide and dicyclohexylcarbodiimide under pyridine activation.
MeSH terms
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Chlorides / chemistry
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Coumarins / chemical synthesis*
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Coumarins / chemistry*
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Dicyclohexylcarbodiimide / chemistry
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Phosphorus / chemistry
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Phosphorus Compounds*
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Pyrrolidonecarboxylic Acid / chemistry*
Substances
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Chlorides
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Coumarins
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Phosphorus Compounds
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pyroglutamic acid 7-amino-4-methylcoumarin
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Phosphorus
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Dicyclohexylcarbodiimide
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phosphorus chloride
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7-amino-4-methylcoumarin
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Pyrrolidonecarboxylic Acid