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Intramolecular dehydration of L-glutamic acid
Intramolekulska dehidratacija L-glutaminske kiseline
dc.creator | Mijin, Dušan | |
dc.creator | Petrović, S. | |
dc.creator | Stojanović, O. | |
dc.date.accessioned | 2022-05-20T13:43:49Z | |
dc.date.available | 2022-05-20T13:43:49Z | |
dc.date.issued | 1989 | |
dc.identifier.issn | 0352-5139 | |
dc.identifier.uri | http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5124 | |
dc.description.abstract | A number of various thermal dehydrations of L-glutamic acid were performed in order to obtain crude L-pyroglutamic acid. Some old procedures and some new ones were investigated. Also, a great deal of work was done on the purification of crude L-pyroglutamic acid. We can say that among other very good procedures for synthesis and purification we can count our own, modified synthesis in aqueous solution of L-glutamic acid (acid: water = 1:3) and recrystallization from ethanol. The most efficient purification was carried out on ion-exchange resins (Dowex, Amberlite). Some new systems for TLC of L-glutamic acid and L-pyroglutamic acid were also examined . | sr |
dc.description.abstract | Pošto do sada još nije u potpunosti rešen postupak sinteze i ekonomičnog prečišćavanja L-piroglutaminske kiseline, izvršili smo ispitivanje različitih postupaka termičke intramolekulske dehidratacije L-glutaminske kiseline, kao i prečišćavanje dobijene sirove L-piroglutaminske kiseline u cilju dobijanja proizvoda većeg stepena čistoće. Uporedno si ispitivani i raniji poznati postupci i poređeni sa našim novim postupcima. Na osnovu naših rezultata može se zaključiti da je naročito pogodna sinteza iz vodenog rastvora L-glutaminske kiseline (1 deo kiseline i 3 dela vode) i prekristalisavanje sirovog produkta iz etanola. Najefikasnije prečišćavanje izvodi se pomoću jonoizmenjivačkih smola (Dowex, Amberlite). | sr |
dc.language.iso | en | sr |
dc.publisher | Srpsko hemijsko društvo | sr |
dc.relation | Research fund of SR Serbia | sr |
dc.rights | openAccess | sr |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | J. Serb. Chem. Soc. | sr |
dc.title | Intramolecular dehydration of L-glutamic acid | sr |
dc.title | Intramolekulska dehidratacija L-glutaminske kiseline | sr |
dc.type | article | sr |
dc.rights.license | BY | sr |
dc.citation.epage | 15 | |
dc.citation.issue | 1 | |
dc.citation.spage | 11 | |
dc.citation.volume | 54 | |
dc.identifier.fulltext | http://TechnoRep.tmf.bg.ac.rs/bitstream/id/9811/bitstream_9811.pdf | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_technorep_5124 | |
dc.type.version | publishedVersion | sr |