Category: pyrrolines, Healthcare careers for chemists are once again largely based in laboratories, although increasingly there is opportunity to work at the point of care, helping with patient investigation. 766-36-9, Name is 3-Ethyl-4-methyl-2,5-dihydro-1H-pyrrol-2-one, SMILES is O=C1NCC(C)=C1CC, belongs to pyrrolines compound. In a article, author is Abbady, MA, introduce new discover of the category.
Organic selenium compounds. Part I: Synthesis and application of some new diaryl-selenides and selenones containing amino acid moieties
4′-Nitro-4-aminodiphenylselenide (1) reacts with chloroacetyl chloride giving 4′-nitro-4-chloroacetylaminodiphenylselenide (2) which undergo facile reaction with certain amines and hydrazine yielding 4-glycylamino and hydrazinoacetylamino-4′-nitrodiphenylselenides (3) and (5). Two moles of (2) react with one mole of piperazine and/or hydrazine to give 1,4-bis [p-N-(p’-nitro-diphenylselenido)aminocarbonylmethylene] piperazine (4) and 1,2-bis[p-N-(p’-nitro-diphenylselenido)aminocarbonyl-methylene]hydrazine (6). Condensation of (5) with aromatic aldehydes in the presence of glacial acetic acid yielded new Schiff bases (7). N-phthaloylglycyl chloride reacts with (1) in dioxane in the presence of triethylamine to give N-(N’-phthaloyraminoacyl)-4-aminodiphenylselenide (8), hydrazinolyses of which affords N-(aminoacyl)-4-amino-4′-nitrodiphenylselenide (9). Compound (9) undergoes facile condensation with aromatic aldehydes in the presence of piperidine to give Schiff bases (10). Compound (2) interacts with malononitrile in the presence of K2CO3 giving 2-amino-(p’-nitrodiphenylselenido)-5-oxo-Delta(2)-pyrrolin-3-carbontrile (11). Oxidation of (3,7) and (10) using H2O2/gl. acetic acid mixtures furnished the corresponding diarylselenones (12, 13 and 14).
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Reference:
Pyrroline – Wikipedia,
,1-Pyrroline | C4H7N – PubChem