isibhengezo_sekhasi

umkhiqizo

I-N-Cbz-D-Tryptophan(CAS# 2279-15-4)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C19H18N2O4
I-Molar Mass 338.36
Ukuminyana 1.341±0.06 g/cm3(Kubikezelwe)
I-Melting Point 122-124°C
I-Boling Point 619.1±55.0 °C(Kubikezelwe)
Ukuzungezisa Okuthile(α) 11 ° (C=1, MeOH)
I-Flash Point 328.2°C
Ukuncibilika encibilikayo ku-Methanol
I-Vapor Presure 3.46E-16mmHg ku-25°C
Ukubukeka I-crystalline powder emhlophe
Umbala Okumhlophe kuya kokuphuzi ngokukhanyayo ukuya kokuwolintshi okhanyayo
I-BRN 96744
pKa 3.98±0.10(Okubikezelwe)
Isimo Sesitoreji Ivalwe endaweni eyomile, engu-2-8°C
I-Refractive Index 11 ° (C=1, MeOH)
I-MDL I-MFCD00037945

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi R22/22 -
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S22 - Ungaphefumuli uthuli.
I-S24/25 - Gwema ukuthintana nesikhumba namehlo.
I-S44 -
S35 – Le nto kanye nesiqukathi sayo kumele kulahlwe ngendlela ephephile.
I-S28 – Ngemva kokuxhumana nesikhumba, geza ngokushesha ngensipho eningi.
I-S7 – Gcina isitsha sivalwe ngokuqinile.
I-S4 - Gcina kude nezindawo zokuhlala.
Ikhodi ye-HS 29339900
I-Hazard Class I-IRRITANT

 

Isingeniso

I-N(^ a)-Benzyloxycarbonyl-D-tryptophan(N(^ a)-Benzyloxycarbonyl-D-tryptophan) ikhemikhali, eyaziwa nangokuthi i-CBZ-D-Trp. Okulandelayo yincazelo yemvelo yayo, ukusetshenziswa, ukwakhiwa kanye nolwazi lokuphepha:

 

Imvelo:

I-N(^ a)-I-Benzyloxycarbonyl-D-tryptophan iyi-crystalline eqinile emhlophe kuya kokuphuzi. Iqinile uma kuqhathaniswa nezinga lokushisa lasekamelweni futhi ingagcinwa isikhathi eside ngaphansi kwezimo ezingenamanzi. Ayincibiliki emanzini, kodwa iyancibilika kwezinye izinyibilikisi eziphilayo njenge-methanol ne-dimethyl sulfoxide.

 

Sebenzisa:

I-N(^ a) -I-Benzyloxycarbonyl-D-tryptophan ivame ukusetshenziswa njengamaqembu avikelayo ku-organic synthesis, ikakhulukazi ku-chemical peptide synthesis. Ukusetshenziswa kwayo okuyinhloko njengokuphuma kuma-amino acid okuhlanganiswa kwamamojula athile ku-polypeptide noma amaketanga amaprotheni. Ingadlala indima ebalulekile ekuhlanganisweni kwemithi emisha ngale ndlela.

 

Indlela:

Ukulungiswa kwe-N(^ a) -Benzyloxycarbonyl-D-tryptophan kuvame ukwenziwa ngokuhlangana kwamakhemikhali. Okokuqala, i-benzyl alcohol ne-carbon dioxide kusabela ukwenza i-benzyloxycarboxylic acid, bese kuthi i-amino acid tryptophan kanye ne-benzyloxycarboxylic acid ifakwe esterified ukuthola umkhiqizo we-CBZ-D-Trp. Ukusabela kudinga usizo lwama-catalyst athile nezinto ezincibilikisa.

 

Ulwazi Lokuphepha:

I-N(^ a)-I-Benzyloxycarbonyl-D-tryptophan inolwazi olulinganiselwe lokuphepha, kodwa ngokusekelwe olwazini olutholakalayo, ngokuvamile ibhekwa njengobuthi. Ukuchayeka isikhathi eside noma ukuchayeka ngokweqile kungase kube nemiphumela emibi yezempilo. Ngakho-ke, izinyathelo ezifanele zokuphepha kufanele zithathwe lapho kusetshenziswa, kugcinwa futhi kusingathwa lesi sithako, okuhlanganisa ukugqoka izinto zokuzivikela ezifanele kanye nokuphatha endaweni enomoya omuhle. Ngesikhathi esifanayo, kuyadingeka ukulandela izinqubo ezifanele zokusebenza zokuphepha nezindlela zokulahla.

 

Sicela uqaphele ukuthi lesi sihloko siwukubukezwa kuphela kwenhlanganisela okukhulunywa ngayo, futhi isicelo esithile kanye nokuhlolwa kwengozi kufanele kwenziwe endaweni ethile yaselabhorethri. Ngaphambi kokusebenzisa noma iyiphi into yamakhemikhali, sicela uqiniseke ukuthi ufunda imininingwane efanele futhi uthintane nochwepheshe kusenesikhathi.


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