isibhengezo_sekhasi

umkhiqizo

I-Boc-L-Histidine(Tosyl) (CAS# 35899-43-5)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C18H23N3O6S
I-Molar Mass 409.46
Ukuminyana 1.19
I-Melting Point ~125°C (dec.)
Ukubukeka Ikristalu eliphuzi elikhanyayo
Umbala Okumhlophe kuya Kucishe kube mhlophe
I-BRN 769957
pKa 3.50±0.10(Okubikezelwe)
Isimo Sesitoreji -20°C
I-Refractive Index 1.594
I-MDL I-MFCD00065967

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Incazelo Yokuphepha 24/25 - Gwema ukuthintana nesikhumba namehlo.
I-WGK Germany 3
Ikhodi ye-HS 29350090

 

Isingeniso

I-N(alpha)-boc-N(im)-tosyl-L-histidine(N(alpha)-boc-N(im)-tosyl-L-histidine) iyinhlanganisela. Nalu olunye ulwazi mayelana nemvelo yalo, ukusetshenziswa, ukwakhiwa nokuphepha:

 

Imvelo:

-Ukubukeka: I-crystalline emhlophe eqinile

-Ifomula ye-molecular: C25H30N4O6S

Isisindo samangqamuzana: 514.60g/mol

-Indawo yokuncibilika: 158-161 degrees Celsius

-I-Solubility: Incibilika kuma-alcohols, kuma-ketones nakwezinye izinyibilikisi zemvelo

 

Sebenzisa:

- I-N(alpha)-boc-N(im)-tosyl-L-histidine ingasetshenziswa njengeqembu elivikelayo ukuvikela iqembu elisebenzayo le-histidine ngesikhathi sokuhlanganiswa kwe-peptide.

-Kumakhemikhali e-peptide, ingasetshenziswa njengesandulela sokuhlanganiswa kwama-polypeptide asebenzayo.

 

Indlela Yokulungiselela:

Ukulungiswa kwe-N(alpha)-boc-N(im)-tosyl-L-histidine kuyinkimbinkimbi futhi kudinga uchungechunge lwezinyathelo zamakhemikhali. Indlela evamile yokulungiselela iwukusabela i-tert-butyl chloroformate ne-L-histidine imidazole ester, bese isabela nge-methylbenzenesulfonyl chloride ukuze kutholwe umkhiqizo oqondiwe.

 

Ulwazi Lokuphepha:

- I-N(alpha)-boc-N(im)-tosyl-L-histidine ingase icasule futhi ivezele abantu.

-Ngesikhathi sokuphatha nokugcinwa, kunconywa ukuthatha izinyathelo zokuzivikela ezifanele, njengokugqoka amagilavu, izibuko nezingubo zokuzivikela.

-Gwema ukuthinta isikhumba, amehlo kanye nomgudu wokuphefumula, futhi ugcine indawo yaselabhorethri engenawo umoya.

-Lapho kusetshenziswa futhi kulahlwa lesi sithako, izinqubo zokuphepha ezifanele kanye nemithethonqubo kufanele ilandelwe.


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