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umkhiqizo

I-N-BOC-O-Benzyl-L-serine (CAS# 23680-31-1)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C15H21NO5
I-Molar Mass 295.33
Ukuminyana 1.1454 (isilinganiso esinzima)
I-Melting Point 58-60°C(lit.)
I-Boling Point 437.02°C (isilinganiso esinzima)
Ukuzungezisa Okuthile(α) 21.5 º (c=2, i-ethanol)
I-Flash Point 229.7°C
I-Vapor Presure 4.07E-09mmHg ku-25°C
Ukubukeka Ikristalu emhlophe noma impushana
Umbala Okumhlophe kuya Kucishe kube mhlophe
I-BRN 3064461
pKa 3.53±0.10(Okubikezelwe)
Isimo Sesitoreji Gcina endaweni emnyama, evalwe endaweni eyomile, Emazingeni Okushisa Egumbi
I-Refractive Index 22 ° (C=2, EtOH)
I-MDL Idatha ye-MFCD00066063
Izakhiwo Zomzimba Nezamakhemikhali I-crystalline powder emhlophe; Ayincibiliki emanzini nase-petroleum ether, encibilika ku-ethyl acetate, i-acetic acid ne-ethanol; mp yi-56-58 ℃; Ukujikeleza okucacile kokubona [α]20D 20 °(0.5-2.0 mg/ml, i-acetic acid).

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi I-Xn - Iyingozi
Amakhodi Engozi R20/21/22 – Kuyingozi ngokuhogela umoya, ukuthintana nesikhumba futhi uma ukugwinyile.
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha I-S24/25 - Gwema ukuthintana nesikhumba namehlo.
S36 – Gqoka izingubo ezifanele zokuzivikela.
S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
I-WGK Germany 3
I-TSCA Yebo
Ikhodi ye-HS 2924 29 70
I-Hazard Class I-IRRITANT

 

Isingeniso

I-Trit-butoxycarbonyl-L-seric acid benzyl ester (eyaziwa nangokuthi i-BOC-L-serine benzyl ester) iyinhlanganisela yezinto eziphilayo. Inezici ezilandelayo:

 

1. Ukubukeka: amakristalu amhlophe kuya kokuphuzi ngokukhanyayo noma impushana ecwebezelayo.

 

I-Trit-butoxycarbonyl-L-seric acid benzyl isetshenziselwa ikakhulukazi ukuhlanganiswa kwe-peptide kanye nokusabela kwe-peptide synthesis emkhakheni we-organic synthesis. Isebenza njengeqembu elivikelayo ekuphenduleni kwe-peptide chain elongation ukuvikela amaqembu asebenzayo eketanga lama-amino acid. Phakathi nenqubo yokuhlanganisa, lapho amanye ama-amino acid ekulandelaneni kwe-peptide okuhlosiwe engadingi ukushintshwa ekuphenduleni, i-tert-butoxycarbonyl-L-seric acid benzyl ingavikela ngempumelelo i-L-serine.

 

Indlela yokulungisa i-tert-butoxycarbonyl-L-serene benzyl ngokuvamile iwukuvula nokusabela kwe-esterification kwama-amino acid. Indlela eqondile yokulungiselela kungaba ukusabela i-L-serine ne-tert-butoxycarbonyl chlorinator ukwakha usawoti we-tert-butoxycarbonyl amino acid, bese kusabela nge-benzyl utshwala ukuze kutholwe i-tert-butoxycarbonyl-L-serene benzyl.

 

Ulwazi Lokuphepha: I-Trit-butoxycarbonyl-L-seric acid benzyl ngokuvamile iphephile uma iqhathaniswa nokusebenza okufanele. Kungase kucasule amehlo nasesikhumbeni futhi kudinga ukuqapha okufanele lapho usebenza. Idinga ukusetshenzelwa endaweni enomoya omuhle futhi igweme ukuhogela noma ukuthintana. Ngesikhathi sokugcina, kufanele igcinwe ivalwe ngokuqinile futhi ikude nokushisa nomlilo.


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