isibhengezo_sekhasi

umkhiqizo

I-N-Boc-N'-xanthyl-L-asparagine (CAS# 65420-40-8)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C22H24N2O6
I-Molar Mass 412.44
Ukuminyana 1.32±0.1 g/cm3(Kubikezelwe)
I-Melting Point 177.5-181.5°C(lit.)
I-Boling Point 650.7±55.0 °C(Kubikezelwe)
I-Flash Point 347.3°C
I-Vapor Presure 8.06E-18mmHg ku-25°C
Ukubukeka Okuqinile
Umbala Okumhlophe kuya kokumhlophe
I-BRN 5172403
pKa 3.93±0.10(Okubikezelwe)
Isimo Sesitoreji 2-8°C
I-Refractive Index 1.614

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Incazelo Yokuphepha 24/25 - Gwema ukuthintana nesikhumba namehlo.
I-WGK Germany 3
Ikhodi ye-HS 29329990
I-Hazard Class I-IRRITANT

 

Isingeniso

I-N(alpha)-boc-N(gamma)-(9-xanthenyl)-L-asparagine ingxube yemvelo esetshenziswa kakhulu emkhakheni we-biochemistry kanye namakhemikhali emithi. Okulandelayo yincazelo yemvelo yayo, ukusetshenziswa, ukulungiswa kanye nolwazi lokuphepha:

 

Imvelo:

I-N(alpha)-boc-N(gamma)-(9-xanthenyl)-L-asparagine iqinile njengekristale. Inombala omhlophe noma ophuzi futhi iyancibilika kuzincibilikisi zemvelo ezifana ne-dimethylformamide (DMF) ne-dichloromethane. Iqinile uma kuqhathaniswa nezinga lokushisa legumbi, kodwa izobola ngaphansi kwezinga lokushisa eliphezulu noma izimo eziqinile ze-alkali.

 

Sebenzisa:

I-N(alpha)-boc-N(gamma)-(9-xanthenyl)-L-asparagine inenani elibalulekile lokusetshenziswa ocwaningweni lwezidakamizwa. Ingasetshenziswa ekuhlanganiseni izidakamizwa ze-peptide, njengezidakamizwa ezilwa nesimila kanye nezinhlanganisela ze-bioactive peptide precursor. Ngaphezu kwalokho, ingasetshenziswa njengethuluzi lokucwaninga ku-chemical biology ukuhlola ukwakheka nokusebenza kwamaprotheni athile noma ama-peptide.

 

Indlela Yokulungiselela:

Ukulungiswa kwe-N(alpha)-boc-N(gamma)-(9-xanthenyl)-L-asparagine ngokuvamile kuhilela ukusabela kwezinyathelo eziningi. Okokuqala, okuphakathi kokuqala kutholwe ukusabela kokujiya kwe-synthetic aspartic acid-4, 4 '-disopropylamino ester ne-p-aminobenzoic acid. I-nucleophilic substitution reaction bese isetshenziselwa ukwethula inayiloni ye-oxynthryl phakathi nendawo ukuze yakhe umkhiqizo wokugcina.

 

Ulwazi Lokuphepha:

I-N(alpha)-boc-N(gamma)-(9-xanthenyl)-L-asparagine i-organic synthesis reagent, futhi ukusebenza kwayo okulungile kudinga ukulandela imithetho evamile yokuphepha yaselabhorethri. Ngenxa yokuntuleka kwedatha ephelele evela ezifundweni zobuthi zale nhlanganisela, ulwazi lwezingozi ezingase lube khona lulinganiselwe. Ngesikhathi sokuphatha nokusetshenziswa, kufanele kuqashelwe ukugwema ukuthintana ngqo nesikhumba namehlo, nokugwema ukuhogela impushana noma igesi yayo. Ukuqinisekisa ukuphepha, kunconywa ukuthi usebenze elabhorethri futhi uyisebenzise ngokuhambisana nemithethonqubo yemishini yokuzivikela yomuntu siqu.


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