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Reactivity of Chloroacetylated β-Enamino Compounds. Synthesis of Heterocycles.

✍ Scribed by Mara E. F. Braibante; Hugo T. S. Braibante; Carla C. Costa; Demetrius B. Martins


Publisher
John Wiley and Sons
Year
2003
Weight
128 KB
Volume
34
Category
Article
ISSN
0931-7597

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Ethyl (E)-(3-amino substituted)-2-chloroacetyl-2-butenoates 2c-g, N-[(Z)-1-methyl-3-oxo-1-butenyl]-2-chloroacetamide 3a and ethyl (Z)-3-chloromethyl carboxamino-2-butenoate 3c, have been prepared from b-amino a,b-unsaturated ketone 1a and esters 1c-g and chloroacetyl chloride. The reactivity of thes

Reactivity of p-phenyl substituted β-ena
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## Abstract The reactivity of the β‐enamino ketones, 3‐amino‐1‐(__p__‐phenyl‐substituted)‐2‐buten‐1‐ones 1a‐d and β‐enamino esters, ethyl 3‐amino‐3‐(__p__‐phenyl‐substituted)‐2‐propenoates 5a‐d was systematically studied when allowed to react with hydrazine and methylhydrazine under solid support K

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## Abstract The condensation of 4‐phenyl substituted β‐enamino ketones 1a‐d and β‐enamino esters 5a‐d with hydroxylamine hydrochloride using K‐10 as the solid support under sonication was studied to evaluate the formation of isoxazole and 5‐isoxazolone rings from β‐enamino compounds with a substitu