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Boc-L-Tyrosine methyl ester(CAS# 4326-36-7)

Āhuatanga matū:

Tātai rāpoi C15H21NO5
Molar Mass 295.33
Kiato 1.169±0.06 g/cm3(Whakaahua)
Te Whakarewa 100-104°C(marama)
Piro Pouri 452.7±40.0 °C(I Matapaetia)
Hurihuri motuhake(α) 51 º (c=1 i roto i te chloroform)
Tohu Kohiko 227.6°C
Wairewa tata te marama i roto i te Methanol
Kohu Kohu 8.19E-09mmHg i te 25°C
Te ahua Mārō
Tae He ma ki te kowhai kowhai
pKa 9.75±0.15(I Matapaetia)
Tikanga Rokiroki I hiri ki te maroke, Te Pawera o te rūma
Taurangi Refactive 50 ° (C=1, MeOH)
MDL MCD00191181

Taipitopito Hua

Tohu Hua

Whakaahuatanga Haumaru 24/25 – Kaua e pa ki te kiri me nga kanohi.
WGK Tiamana 3
Waehere HS 29242990

 

Kupu Whakataki

Ko te N-Boc-L-Tyrosine Methyl Ester he pūhui matū ko tona ingoa matū ko N-tert-butoxycarbonyl-L-tyrosine methyl ester. Ko ona ahuatanga e whai ake nei:

 

1. Te ahua: ma ki te hina te kirikiriata totoka;

5. Te whakarewatanga: ka whakarewahia i roto i nga whakarewa pararopi penei i te ethanol me te dimethylformamide (DMF), karekau i te wai.

 

Ko te N-Boc-L-tyrosine methyl ester e whakamahia nuitia ana i roto i te whakahiato waro hei tiaki i nga waikawa amino i roto i te whakahiatotanga o nga pūhui polypeptide. Ka whakamahia te nuinga hei roopu tiaki o te L-tyrosine hei aukati i nga tauhohenga kore-motuhake i roto i te tauhohenga ka puta. Kia oti te tauhohenga, ka taea te tango i te roopu whakamarumaru i raro i nga tikanga e tika ana kia whiwhi i te hua tino pai.

 

Ko te tikanga whakarite o te N-Boc-L-tyrosine methyl ester te nuinga o nga waahanga e whai ake nei:

 

1. Whakakorehia te L-tyrosine ki te dimethylformamide (DMF);

2. Taapirihia te konutai warowaiha hei whakakore i te roopu carboxyl o te tyrosine;

3. Ka tāpirihia te Methanol me te methyl carbonate (MeOCOCl) ki te ranunga tauhohenga hei whakaputa i te N-Boc-L-tyrosine methyl ester. I te nuinga o te wa ka mahia te tauhohenga ki nga wera iti, ka whakamahia te taikaha o te methyl carbonate hei whakarite kia puta te tauhohenga.

 

Ko te N-Boc-L-tyrosine methyl ester he tino pumau, engari me tupato tonu te whakahaere. Ko nga korero haumaru whanui e whai ake nei:

 

1. Kaua e pa atu ki te kiri me nga kanohi: Me mau nga karapu whakamarumaru me nga karaehe kia kore e pa atu ki te puhui;

2. A ape i inhalation: Me whakarite pai ventilation i roto i te taiao mahi ki te ārai i te inhalation o hau pūhui;

3. Te Rokiroki: Me penapena ki te waahi makariri, maroke, kia kore e pa ki te hāora, te waikawa kaha, te turanga kaha ranei.

 

I te katoa, ko te N-Boc-L-tyrosine methyl ester he takawaenga nui i roto i te whakahiato waro me te whai waahi nui ki te whakahiatotanga o nga pūhui peptide. Me tiaki mo te mahi haumaru ina whakamahi me te whakahaere.


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