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umkhiqizo

BOC-L-Methionine (CAS# 2488-15-5)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C10H19NO4S
I-Molar Mass 249.33
Ukuminyana 1.160±0.06 g/cm3(Kubikezelwe)
I-Melting Point 47-50°C(lit.)
I-Boling Point 415.5±40.0 °C(Kubikezelwe)
Ukuzungezisa Okuthile(α) -23 º (c=1.3, i-methanol)
I-Flash Point 205.1°C
Ukuncibilika cishe obala ku-Methanol
I-Vapor Presure 4.56E-08mmHg ku-25°C
Ukubukeka Impushana emhlophe
Umbala Okumhlophe kuya kokumhlophe
I-BRN 1727869
pKa 3.83±0.10(Okubikezelwe)
Isimo Sesitoreji Gcina endaweni emnyama, evalwe endaweni eyomile, Emazingeni Okushisa Egumbi
I-Refractive Index -22 ° (C=1.3, AcOH)
I-MDL I-MFCD00065586

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
AMAKHODI E-FLUKA BRAND F 9-23
Ikhodi ye-HS 2930 90 98

 

Isingeniso

I-N-Boc-L-aspartic acid iphuma ku-L-methionine equkethe iqembu elivikela i-N.

 

Ikhwalithi:

I-N-Boc-L-methionine iqinile emhlophe encibilika kwezinye izincibilikisi eziphilayo njenge-methanol, i-ethanol, ne-methylene chloride. Iyazinzile ezimeni ezine-acidic kodwa i-hydrolyzed ezimweni ze-alkaline.

 

Sebenzisa:

I-N-Boc-L-methionine iyiqembu elivame ukusetshenziswa elivikela i-amino acid elivikela amanye amaqembu asebenzayo ekuhlanganisweni kwezinhlanganisela eziphilayo.

 

Indlela:

Ukulungiswa kwe-N-Boc-L-methionine kuvame ukufezwa ngokusabela kwamakhemikhali kweqembu elivikelayo le-N-Boc ku-L-methionine. Indlela evamile ukusebenzisa i-Boc2O (N-butyldicarboxamide) kanye ne-base catalyst ukunikeza i-N-Boc-L-methionine ngemva kokusabela.

 

Ulwazi Lokuphepha:

I-N-Boc-L-methionine ivamise ukuphepheka ngaphansi kwezimo ezivamile zokusebenza zokuhlola. Kungase kucasule amehlo, isikhumba, kanye nendlela yokuphefumula futhi ukunakekelwa kufanele kuthathwe ukugwema ukuthintana lapho uyisebenzisa. Naka ukuthobela ukucaciswa kokusebenza kokuhlolwa kokuphepha futhi uhlonyiswe ngezinyathelo zokuvikela ezihambisanayo.


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