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umkhiqizo

I-N-tert-Butoxacarbonyl-O-benzyl-L-threonine (CAS# 15260-10-3)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C16H23NO5
I-Molar Mass 309.36
Ukuminyana 1.152±0.06 g/cm3(Kubikezelwe)
I-Melting Point 80-82°C(lit.)
I-Boling Point 461.5±45.0 °C(Kubikezelwe)
Ukuzungezisa Okuthile(α) 22 º (c=2 ku-95% ethanol)
I-Flash Point 187.9°C
I-Vapor Presure 1.36E-07mmHg ku-25°C
Ukubukeka Impushana yekristalu emhlophe ukuya kokumhlophe
Umbala Okumhlophe kuya Kucishe kube mhlophe
I-BRN 3065591
pKa 3.50±0.10(Okubikezelwe)
Isimo Sesitoreji Gcina endaweni emnyama, evalwe endaweni eyomile, Emazingeni Okushisa Egumbi
I-Refractive Index 16.5 ° (C=1, MeOH)

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Isingeniso
I-N-Boc-O-benzyl-L-threonine iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso semvelo yayo, ukusetshenziswa, indlela yokukhiqiza kanye nolwazi lokuphepha:

Ikhwalithi:
I-N-Boc-O-benzyl-L-threonine iyikristale eqinile emhlophe noma emhlophe, encibilika kuzincibilikisi zezinto eziphilayo ezifana ne-ethanol, i-dimethylformamide, i-chloroform, njll.

Sebenzisa:
I-N-Boc-O-benzyl-L-threonine iyingxenye ebalulekile ekuhlanganiseni kwezinto eziphilayo futhi ivame ukusetshenziswa ekuhlanganiseni ama-peptides namaprotheni. Ingasetshenziswa njengeqembu elivikelayo ekuhlanganiseni kwesigaba esiqinile, i-liquid-phase synthesis kanye ne-ethanolamine-mediated synthesis ukuvimbela ukusabela ohlangothini lwe-threonine ekuphenduleni inqubo, ukuze kuthuthukiswe ukukhetha kanye nesivuno sokusabela.

Indlela:
Ukulungiswa kwe-N-Boc-O-benzyl-L-threonine ngokuvamile kwenziwa ukuhlanganiswa kwamakhemikhali. I-Threonine i-acylated ne-N-tert-butoxycarbonyl (Boc-O-benzyl) futhi izivuseleli ezifana ne-N,N-disopropylethylamine (DIPEA) noma i-carbodiimide (DCC) ziyengezwa. Ngemuva kokusabela, kutholwe i-N-Boc-O-benzyl-L-threonine.

Ulwazi Lokuphepha:
I-N-Boc-O-benzyl-L-threonine inephrofayili ephezulu yokuphepha, kodwa njengenhlanganisela yezinto eziphilayo, lezi zinyathelo zokuphepha ezilandelayo kufanele ziqashelwe: gwema ukuthintana nesikhumba, amehlo kanye nesistimu yokuphefumula; Gqoka amagilavu ​​okuzivikela, izibuko, namamaski lapho usebenza; Sebenza elabhorethri engenawo umoya; Gwema ukuthintana nama-oxidants nama-asidi lapho uwagcina. Uma ithintwe ngephutha noma ihogelwe, kufanele igezwe noma ilashwe ngosizo lwezempilo kusenesikhathi.


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