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

Āhuatanga matū:

Tātai rāpoi C18H23N3O6S
Molar Mass 409.46
Kiato 1.19
Te Whakarewa ~125°C (dec.)
Te ahua Kiriata kowhai kanapa
Tae Mā ki Tata mā
BRN 769957
pKa 3.50±0.10(I Matapaetia)
Tikanga Rokiroki -20°C
Taurangi Refactive 1.594
MDL MFCD00065967

Taipitopito Hua

Tohu Hua

Whakaahuatanga Haumaru 24/25 – Kaua e pa ki te kiri me nga kanohi.
WGK Tiamana 3
Waehere HS 29350090

 

Kupu Whakataki

Ko te N(alpha)-boc-N(im)-tosyl-L-histidine(N(alpha)-boc-N(im)-tosyl-L-histidine) he pūhui. Anei etahi korero mo tona ahuatanga, te whakamahinga, te hanga me te haumaru:

 

Taiao:

-Whakaahua: Maamaa kiriataata totoka

-Tatai rāpoi: C25H30N4O6S

-Taimaha rāpoi: 514.60g/mol

-Ira whakarewa: 158-161 nekehanga Celsius

-Maoritanga: Ka whakarewahia i roto i te waipiro, te ketone me etahi whakarewa pararopi

 

Whakamahia:

- N(alpha)-boc-N(im)-tosyl-L-histidine ka taea te whakamahi hei roopu whakamarumaru hei tiaki i te roopu mahi histidine i te wa o te whakahiato peptide.

-I roto i te matū peptide, ka taea te whakamahi hei pūhui kawainga mo te whakahiato o nga polypeptides kaha koiora.

 

Tikanga Whakaritenga:

Ko te whakarite o te N(alpha)-boc-N(im)-tosyl-L-histidine he tino uaua me te hiahia he raupapa o nga mahi matū. Ko te tikanga whakarite noa ko te tauhohe i te tert-butyl chloroformate me te L-histidine imidazole ester, katahi ka tauhohe ki te methylbenzenesulfonyl chloride kia whiwhi ai i te hua kua whakaritea.

 

Mōhiohio Haumaru:

- N(alpha)-boc-N(im)-tosyl-L-histidine pea ka whakapataritari me te whakararu i te tangata.

-I te wa e whakahaere ana, e penapena ana, e taunaki ana kia mau i nga tikanga whakamarumaru whaiaro, penei i te mau karapu, karawhiu me nga kakahu whakamarumaru.

-Kaore e pa atu ki te kiri, nga kanohi me te waahanga manawa, me te pupuri i te taiao taiwhanga pai-hau.

-I te wa e whakamahi ana me te tuku i tenei puhui, me whai nga tikanga haumaru me nga ture.


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