isibhengezo_sekhasi

umkhiqizo

I-Sodium L-pyroglutamate (CAS# 28874-51-3)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C5H6NNaO3
I-Molar Mass 151.1
Ukuminyana 1.45
I-Melting Point 125°C
I-Boling Point 313.7℃[ku-101 325 Pa]
I-Flash Point 227.8°C
Ukuncibilika kwamanzi 613g/L ngo-20℃
Ukuncibilika I-Methanol (Kancane), Amanzi
I-Vapor Presure 5.4hPa ku-20℃
Ukubukeka Uketshezi olukhanyayo oluphuzi olukhanyayo
Umbala Okucacile Okungenambala ukuya kokuphuzi Okuphuzi
pKa 9.94[ku-20 ℃]
Isimo Sesitoreji Isiqandisi

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

 

Isingeniso

I-Cbz-D-leucine, igama eligcwele le-Cbz-D-phenylalanine (N-bis(dimethylamino)methyl ester-D-phenylalanine), inhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sobunjalo bayo, ukusetshenziswa, indlela yokulungiselela kanye nolwazi lokuphepha:

 

Izakhiwo: Isebenza ngokubonakalayo futhi ingeye-isomer yokucushwa kuka-D.

 

Sebenzisa:

 

Indlela:

Indlela yokulungiselela ye-Cbz-D-leucine ngokuvamile iwukuthola i-Cbz-D-leucine ngokuvikela i-L-leucine, bese kwethulwa iqembu le-N-bis(dimethylamino)methyl ester eqenjini layo le-α-carboxyl (ama-reactants afana ne-dimethylformamide ne-dimethylcarbamate ingasetshenziswa).

 

Ulwazi Lokuphepha:

I-CBZ-D-leucine ngokuvamile ayifaki ingozi enkulu yokuphepha emzimbeni womuntu ngaphansi kwezimo ezijwayelekile zokusetshenziswa. Njengekhemikhali, ingabangela ukucasuka esikhumbeni, emehlweni, nasendleleni yokuphefumula. Izinyathelo ezifanele kufanele zithathwe ukuze ugweme ukuhogela uthuli noma izixazululo lapho uthintana nesikhumba. Kufanele kuqashelwe lapho uphatha noma uphatha izinto zokuzivikela ezinjengamagilavu, izibuko, nezingubo zokuzivikela. …


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