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umkhiqizo

I-Boc-L-Threonine (CAS# 2592-18-9)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C9H17NO5
I-Molar Mass 219.24
Ukuminyana 1.2470 (isilinganiso esinzima)
I-Melting Point 80-82°C(lit.)
I-Boling Point 360.05°C (isilinganiso esinzima)
Ukuzungezisa Okuthile(α) -8.5 º (c=1, i-acetic acid)
I-Flash Point 187.9°C
I-Vapor Presure 1.36E-07mmHg ku-25°C
Ukubukeka Impushana emhlophe e-amorphous
Umbala Okumhlophe kuya Kucishe kube mhlophe
I-BRN 2331474
pKa 3.60±0.10(Okubikezelwe)
Isimo Sesitoreji -20°C
I-Refractive Index -7 ° (C=1, AcOH)
I-MDL I-MFCD00065946

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
Ikhodi ye-HS 29241990

 

Isingeniso

I-Boc-L-threonine iyinhlanganisela yezinto eziphilayo. Kuwukuqina okumhlophe okuncibilika kwezinye izinyibilikisi zemvelo njenge-dimethylthionamide (DMSO), i-ethanol ne-chloroform.

Ingalungiswa njenge-Boc-L-threonine ngokusabela kwamaqembu avikela ama-amino acid.

 

Enye indlela yokulungisa i-Boc-L-threonine iwukuba uqale usabele i-threonine ne-Boc acid ngokusabela kwe-asidi-catalyzed ukwakha i-Boc threonine ester ehambisanayo, bese uthola i-Boc-L-threonine ngokusabela kwe-alkaline hydrolysis.

Kuyikhemikhali futhi kufanele kuphathwe endaweni yaselabhorethri engenisa umoya kahle ngempahla yokuzivikela efanele njengamagilavu ​​zelebhu nezibuko. Gwema ukuthinta isikhumba namehlo, futhi gwema ukuhogela uthuli noma amagesi azo. Uma uthinta isikhumba noma amehlo, geza ngokushesha ngamanzi amaningi futhi ufune usizo lwezokwelapha.

 


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