Pyridine and pyrimidine ring syntheses from 4‐(4‐morpholino)‐3‐pentenone and from ethyl 3‐(4‐morpholino)‐2‐butenoate | Zendy

Ratemi Elaref S. | Zendy; Namdev Nivedita | Zendy; Gibson Martin S. | Zendy

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Pyridine and pyrimidine ring syntheses from 4‐(4‐morpholino)‐3‐pentenone and from ethyl 3‐(4‐morpholino)‐2‐butenoate

Author(s) -

Ratemi Elaref S.,

Namdev Nivedita,

Gibson Martin S.

Publication year - 1993

Publication title -

journal of heterocyclic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.321

H-Index - 59

eISSN - 1943-5193

pISSN - 0022-152X

DOI - 10.1002/jhet.5570300609

Subject(s) - cyanoacetamide , chemistry , morpholino , malononitrile , morpholine , ring (chemistry) , pyrimidine , acetonitrile , combinatorial chemistry , pyridine , medicinal chemistry , organic chemistry , stereochemistry , catalysis , biochemistry , zebrafish , gene

3‐Substituted 2(1 H )‐pyridones are produced from reaction of 4‐(4‐morpholino)‐3‐pentenone 1 with each of the following carbon acids: cyanoacetamide, malononitrile, cyanothioacetamide, acetylacetamide, benzoyl‐acetonitrile. Reaction of ethyl 3‐(4‐morpholino)‐2‐butenoate 2 with cyanoacetamide gives the corresponding hydroxypyridone. Pyrimidines are formed by reaction of 1 and of 2 with benzamidine and with S‐benzylthio‐urea; in the last case, the eliminated morpholine displaces the benzylthio group to give the final product.

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