China Suppliers > Tianjin Yuansu Chemical Reagent Co., LTD > N-Ethyl-3-Carbamoyl-4-Methyl-6-Hydroxypyridone-2
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- Details for N-Ethyl-3-Carbamoyl-4-Methyl-6-Hydroxypyridone-2
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N-Ethyl-3-Carbamoyl-4-Methyl-6-Hydroxypyridone-2 29097-12-9
Category : Dyestuffs and Pigments
CAS NO : 29097-12-9 EC NO : 249-433-9 MF : C9H12N2O3 MW : 196.2032 Specification : 99% min Packing : 25kg 50kg drum or bag Product description : What is the chemical of N-Ethyl-3-Carbamoyl-4-Methyl-6-Hydroxypyridone-2 ? Appearance: Light white or light yellow powder, no irritating odor ; Assay: 99% min by HPLC ; IR Identity: conform to standard ; HNMR： conform to standard ; carbon spectrum: conform to standard ; Water by K. F.:0.5% max or as per the customer’s request ; Loss on drying:0.5% max. or as per the customer’s request ; ================================================================ main purpose 1. Manufacturing yellow spectrum dispersed dyes 2. Manufacturing yellow spectrum reactive dyes =================================================== Synthesis route (based on literature inference): This compound is usually prepared from 4-methyl-6-hydroxy-2-pyridone as the parent nucleus through the following two-step reaction: N-Ethylation reaction: Under alkaline conditions, nucleophilic substitution with bromoethane or iodoethane is carried out to introduce ethyl; Amide reaction: By hydrolysis of the cyanide group or condensation of carboxylic acid derivatives with ammonia/amine, a 3-formamide group is formed. Typical path: 4-methyl-6-hydroxy-2-pyridone → EtX, K2CO3N-ethyl derivatives → ClCOCH2CN → H2O29097-12-9 The actual process requires controlling pH, temperature, and solvents (such as DMF or ethanol) to avoid the generation of by-products Uses : Mainly used for manufacturing yellow spectrum dispersed dyes and reactive dyes Synonyms : 1-ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide;3-Carbarmoyl-4-Methyl-6-Hydroxy-N-Ethyl Pyridone;Ethyl Pyridone; ;1-ethyl-2-hydroxy-4-methyl-6-oxo-1,6-dihydropyridine-3-carboxamide;N-Ethyl-3-Carbamoyl-4-Methyl-6-Hydroxypyridone-2;N-Ethyl-3-Carbamoyl-4-Methyl-6-Hydroxypyridone-2-pyridone; Molecular Structure : 
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N-Ethyl-3-Carbamoyl-4-Methyl-6-Hydroxypyridone-2