isibhengezo_sekhasi

umkhiqizo

I-BOC-D-Tyrosine methyl ester (CAS# 76757-90-9)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C15H21NO5
I-Molar Mass 295.33
Ukuminyana 1.169±0.06 g/cm3(Kubikezelwe)
I-Boling Point 452.7±40.0 °C(Kubikezelwe)
I-Flash Point 227.6°C
I-Vapor Presure 8.19E-09mmHg ku-25°C
Ukubukeka Impushana
Umbala Emhlophe
pKa 9.75±0.15(Okubikezelwe)
Isimo Sesitoreji Gcina endaweni emnyama, evalwe endaweni eyomile, Emazingeni Okushisa Egumbi
I-Refractive Index 1.523

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

I-WGK Germany 3

 

Isingeniso

I-boc-D-tyrosine methyl ester iyinhlanganisela ephilayo enefomula yamakhemikhali C17H23NO5. Kuyinhlanganisela ye-N-protecting methyl ester ye-D-tyrosine, lapho i-Boc imele i-N-tert-butoxycarbonyl (tert-butoxycarbonyl). I-boc-D-tyrosine ester iyiqembu elivamile elivikela i-amino acid, elingavikela i-nucleophile ekuphenduleni nge-D-tyrosine ekuhlanganiseni.

 

Ukusetshenziswa okuyinhloko kwe-boc-D-tyrosine methyl ester kunjengento yokuqala noma emaphakathi ku-polypeptide synthesis, futhi isetshenziselwa ukuhlanganisa ama-polypeptides aqukethe i-D-tyrosine. Lokhu kungafezwa ngokungeza iqembu le-N-tert-butoxycarbonyl methyl ku-D-tyrosine.

 

Indlela yokulungiselela i-boc-D-tyrosine methyl ester ingasebenzisa izimo ezihlukahlukene zokusabela ezihlukene. Indlela yokwenziwa evamile iwukusabela i-D-tyrosine nge-methanol ne-sulfuric acid ukuze kukhiqizwe i-D-tyrosine methyl ester, ephinde iphendule nge-N-tert-butoxycarbonyl isocyanate ukukhiqiza i-boc-D-tyrosine ester.

 

Mayelana nolwazi lokuphepha, i-boc-D-tyrosine methyl ester ngokuvamile iphephe kakhulu ngaphansi kwezimo zokusebenza ezifanele. Kodwa-ke, iyinhlanganisela yezinto eziphilayo ezingase zicasule futhi zibe nobuthi. Ukusetshenziswa kufanele kulandele izinqubo zokuphepha ezifanele zaselabhorethri, njengokugqoka amagilavu ​​okuzivikela, izibuko, namajazi aselabhorethri, futhi kusebenze endaweni enomoya omuhle. Sebenzisa okokuvikela kwamakhemikhali kanye nezilawuli zobunjiniyela njengoba kudingeka ukuze uvikele ukuphepha komuntu siqu.


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