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N-Cbz-L-Threonine(CAS# 19728-63-3) Setšoantšo se Featured
  • N-Cbz-L-Threonine(CAS# 19728-63-3) 1

N-Cbz-L-Threonine(CAS# 19728-63-3)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C12H15NO5
'Misa oa Molar 253.25
Botenya 1.2499 (khakanyo e fosahetseng)
Melting Point 101-103°C(lebone)
Boling Point 396.45°C (khakanyo e boima)
Phetoho e khethehileng(α) -4.7 º (c=4, asiti ea asetiki)
Flash point 261.3°C
Solubility hoo e batlang e le pepeneneng ho Methanol
Khatello ea Mouoane 3.7E-11mmHg ho 25°C
Ponahalo Phofo ea kristale e bosoeu ho isa ho bosehla bo bobebe
Mmala Bosoeu ho isa ho Ho batla ho tšoeu
BRN 2335409
pKa 3.58±0.10 (E boletsoeng esale pele)
Boemo ba polokelo E tiisitsoe ka sehatsetsing, ka tlas'a -20°C
Refractive Index -4.9 ° (C=2, AcOH)
MDL MFCD00065948
Sebelisa E sebelisoa bakeng sa li-reagents tsa biochemical, peptide synthesis.

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Kotsi le Polokeho

Matšoao a Kotsi Xn - E Kotsi
Likhoutu tsa Kotsi R20/21/22 – E kotsi ka ho hema, ho kopana le letlalo le ha e koetsoe.
R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
Tlhaloso ea Tšireletseho S22 - U se ke ua hema lerole.
S24/25 - Qoba ho kopana le letlalo le mahlo.
S36 - Apara liaparo tse loketseng tsa tšireletso.
S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
WGK Jeremane 3
Khoutu ea HS 29242990

 

 

N-Cbz-L-Threonine(CAS# 19728-63-3) Lintlha

tokisetso eketsa 50mL ea L-Thr(30mmol) le tharollo e pholileng ea Na2CO3 ka botlolong ea 250mL, 'me u hlohlelletse le ho qhibiliha ka bateng ea leqhoa. Lahlela 20mL ea Z-OSu (39.4mmol) tharollo ea acetone ka botlolong ea karabelo; Susumelletsa karabelo ho 25 ℃, TLC-UV fluorescence le mokhoa oa mmala oa ninhydrin ho lekola ts'ebetso ea karabelo. Ka mor'a karabelo, eketsa H2O20mL, ntša ka Et2O(30mL × 2) ho pH> 9, bokella mokhahlelo oa metsi, fetola pH ho 3 ~ 4 ka 1.5NHCl, ntša ka EtOAc(30mL × 3), kopanya karolo ea organic, hlatsoa ka tharollo ea NaCl e tletseng (25mL × 2), e omeletseng ka Na2SO4 ea anhydrous, hlahloba bohloeki ka TLC-ultraviolet fluorescence le mokhoa oa nts'etsopele ea mebala ea ninhydrin, 'me e fetoha mouoane tlas'a khatello e fokotsehileng, ho omisoa ha vacuum ho fumana mokelikeli o mosehla o mafura oa N-benzyloxycarbonyl-L-threonine, o bolokiloeng ka mocheso o tlase.
Sebelisa CBZ-L-threonine ke mofuta o sirelelitsoeng oa N-Cbz oa L-threonine (T405500). L-threonine ke amino acid ea bohlokoa 'me hangata e sebelisoa e le phepelo le sehokelo sa lijo. Mofuta o fetotsoeng oa Escherichia coli o hlahisitse L-threonine e ngata molemong oa lipatlisiso le phepo ea lijo. L-threonine ka tlhaho e fumanoa litlhaping le likhoho 'me e kenngoa ho tse ling tsa liprotheine tsa bohlokoa' meleng, tse kang hemoglobin le insulin.
E sebelisoa bakeng sa li-reagents tsa biochemical le synthesis ea peptide.

 

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