isibhengezo_sekhasi

umkhiqizo

I-Carbobenzyloxy-beta-alanine (CAS# 2304-94-1)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C11H13NO4
I-Molar Mass 223.23
Ukuminyana 1.249±0.06 g/cm3(Kubikezelwe)
I-Melting Point 100-105°C
I-Boling Point 435.9±38.0 °C(Kubikezelwe)
I-Flash Point 217.4°C
Ukuncibilika I-Chloroform (Kancane), i-DMSO (Kancane), i-Methanol (Kancane)
I-Vapor Presure 2.27E-08mmHg ku-25°C
Ukubukeka Impushana
Umbala Emhlophe
I-BRN 1882542
pKa 4.45±0.10(Okubikezelwe)
Isimo Sesitoreji Ivalwe endaweni eyomile, engu-2-8°C
I-Refractive Index 1.546
I-MDL I-MFCD00037292

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi I-Xn - Iyingozi
Amakhodi Engozi I-R22 – Iyingozi uma igwinywe
R41 – Ingozi yokulimala okubi emehlweni
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S39 – Gqoka ukuvikela iso / ubuso.
I-WGK Germany 2
Ikhodi ye-HS 29242990
I-Hazard Class I-IRRITANT

 

Isingeniso

Kuyinhlanganisela yezinto eziphilayo lapho iqembu le-carboxyl (-COOH) ku-molecule ye-alanine esakhiweni lithathelwe indawo yiqembu le-benzyloxycarbonyl (-Cbz).

 

Izici ze-compound:

-Ukubukeka: I-crystal powder emhlophe

-Ifomula ye-molecular: C12H13NO4

Isisindo samangqamuzana: 235.24g/mol

-Indawo yokuncibilika: 156-160 ° C

 

Ukusetshenziswa okuyinhloko yilezi ezilandelayo:

-Emkhakheni we-organic synthesis, ingasetshenziswa njengendawo ephakathi ukuze kuhlanganiswe ezinye izinhlanganisela eziphilayo eziyinkimbinkimbi.

-Njengeqembu elivikelayo lezidakamizwa ze-polypeptide zokwenziwa, lisetshenziselwa ukuvikela izinsalela ze-alanine.

-Ngokucwaninga nokulungiselela amanye ama-molecule e-organic.

 

Indlela yokulungiselela ingahlukaniswa ngezinyathelo ezilandelayo:

1. Ukusabela kwe-benzyl chlorocarbamate nge-sodium carbonate ukuthola i-benzyl N-CBZ-methylcarbamate (N-benzyloxycarbonylmethylaminoformate).

2. Phendula umkhiqizo otholwe esinyathelweni sangaphambilini ngesisombululo se-sodium hydroxide ukuze uthole i-N-CBZ-β-alanine.

 

Mayelana nolwazi lokuphepha:

-over ngokuvamile kuthathwa njengokuphephile uma kuqhathaniswa, kodwa kusadingeka izinyathelo ezifanele zokusebenza.

-Gwema ukuthinta isikhumba, amehlo nomlomo ngesikhathi usebenzisa.

-Gqoka amagilavu ​​okuvikela afanele, izibuko, namajazi elebhu lapho wenza izivivinyo.

-Gwema ukuhogela uthuli enkomponi.

-Inhlanganisela kufanele igcinwe endaweni eyomile, epholile, futhi ihlukaniswe nezinto ezivuthayo, ama-oxidants nezinye izinto.

 

Kufanele kuqashelwe ukuthi imininingwane enikezwe lapha ingeyereferensi kuphela, futhi ibhukwana elifanele lokuhlola kanye neshidi ledatha yokuphepha kwamakhemikhali kufanele kuxhunyanwe nalo ngaphambi kokusebenzisa inhlanganisela, futhi ngokuhambisana ngokuqinile nemithetho yokuphepha yaselabhorethri yokusebenza.


  • Okwedlule:
  • Olandelayo:

  • Bhala umyalezo wakho lapha futhi usithumelele wona