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(S)-N-ALPHA-T-BUTYLOXYCARBONYL-PYROGLUTAMIC ACID T-BUTYL ESTER(CAS# 91229-91-3) Setšoantšo se Featured
  • (S)-N-ALPHA-T-BUTYLOXYCARBONYL-PYROGLUTAMIC ACID T-BUTYL ESTER(CAS# 91229-91-3) 1

(S)-N-ALPHA-T-BUTYLOXYCARBONYL-PYROGLUTAMIC ACID T-BUTYL ESTER（CAS# 91229-91-3)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C14H23NO5
'Misa oa Molar 285.34
Botenya 1.138±0.06 g/cm3(E boletsoeng esale pele)
Melting Point 55.0 ho isa ho 59.0 °C
Boling Point 390.7±35.0 °C(E boletsoeng esale pele)
Flash point 190.067°C
Khatello ea Mouoane 0mmHg ho 25°C
pKa -4.28±0.40(E boletsoeng esale pele)
Boemo ba polokelo Boloka sebakeng se lefifi, se tiisitsoe moo ho omileng, Mocheso oa Kamore
Refractive Index 1.485

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

 

Selelekela

di-tert-butyl (2S) -5-oxopyrrolidine-1,2-dicarboxylate ke motsoako oo lik'hemik'hale tsa oona ke C14H23NO6. E latelang ke tlhaloso ea thepa, tšebeliso, tokiso le tlhaiso-leseling ea polokeho ea komporo:

 

Tlhaho:

-Ponahalo: di-tert-butyl (2S) -5-oxopyrrolidine-1,2-dicarboxylate ke ntho e se nang 'mala ho ea ho e tšoeu ea kristale e tiileng.

-Solubility: E qhibiliha ka har'a metsoako ea tlhaho e kang ethanol, methanol le dimethyl sulfoxide.

-Ntho e qhibilihang: Motsoako o qhibiliha hoo e ka bang 104-105°C.

 

Sebelisa:

di-tert-butyl (2S) -5-oxopyrrolidine-1,2-dicarboxylate ke motsoako o tloaelehileng oa amino acid, o atisang ho sebelisoa e le reagent ho organic synthesis. E ka sebelisoa ho kopanya metsoako e sebetsang ea biologically, joalo ka lithethefatsi le lisebelisoa tsa polymer.

 

Mokhoa:

Ho lokisoa ha di-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate hangata ho etsoa ka mehato e latelang:

1. Qhala pyroglutamic acid tert-butyl ester ka dimethyl sulfoxide e omeletseng.

2. Palo e loketseng ea N, N'-dihydroxyethyl isopropanamide e ile ea eketsoa 'me motsoako oa karabelo o ile oa pholisoe ka tlase ho 0°C.

3. Eketsa di-tert-butyl carbonate butle ha u ntse u boloka mocheso oa motsoako oa reaction o ka tlase ho 0°C.

4. Kamora ho phethoa ha karabelo, motsoako oa karabelo o ile oa kenngoa metsing ho hlahisa precipitate e tiileng ea di-tert-butyl (2S) -5-oxopyrrolidine-1,2-dicarboxylate.

5. Sehlahisoa sa ho qetela se ile sa fumanoa ka mehato ea crystallization, filtration le ho omisa.

 

Lintlha tsa Tšireletseho:

di-tert-butyl (2S) -5-oxopyrrolidine-1,2-dicarboxylate e lokela ho sebelisoa le ho sebetsoa ho latela mekhoa e sireletsehileng ho qoba ho pepesehela letlalo, mahlo le ho hema. Ho feta moo, e lokela ho bolokoa sebakeng se omeletseng, se phodileng le hole le mollo le li-oxidants. Bakeng sa tlhaiso-leseling e khethehileng ea polokeho, sheba Leqephe la Boitsebiso ba Tšireletso ea Lik'hemik'hale (MSDS) kapa lintlha tse amehang tse fanoeng ke mofani oa thepa.

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