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mankhwala

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

Chemical Property:

Molecular Formula C15H21NO5
Molar Misa 295.33
Kuchulukana 1.1454 (kuyerekeza movutikira)
Melting Point 58-60°C (kuyatsa)
Boling Point 437.02 ° C (kuyerekeza molakwika)
Kuzungulira Kwapadera (α) 21.5º (c=2, ethanol)
Pophulikira 229.7°C
Kuthamanga kwa Vapor 4.07E-09mmHg pa 25°C
Maonekedwe White kristalo kapena ufa
Mtundu Zoyera mpaka pafupifupi zoyera
Mtengo wa BRN 3064461
pKa 3.53±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Sungani pamalo amdima, Osindikizidwa owuma, Kutentha kwachipinda
Refractive Index 22 ° (C=2, EtOH)
MDL Mtengo wa MFCD00066063
Zakuthupi ndi Zamankhwala White crystalline ufa; Insoluble m'madzi ndi petroleum ether, sungunuka mu ethyl acetate, acetic acid ndi ethanol; mp ndi 56-58 ℃; Kuzungulira kwapadera kwa kuwala [α]20D 20 °(0.5-2.0 mg/ml, acetic acid).

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xn - Zowopsa
Zizindikiro Zowopsa R20/21/22 - Zowopsa pokoka mpweya, kukhudzana ndi khungu komanso kumeza.
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S24/25 - Pewani kukhudzana ndi khungu ndi maso.
S36 - Valani zovala zoyenera zodzitetezera.
S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
WGK Germany 3
TSCA Inde
HS kodi 2924 29 70
Kalasi Yowopsa ZOKWIYA

 

Mawu Oyamba

Trit-butoxycarbonyl-L-seric acid benzyl ester (yomwe imadziwikanso kuti BOC-L-serine benzyl ester) ndi organic pawiri. Lili ndi zotsatirazi:

 

1. Maonekedwe: zoyera zoyera zachikasu makhiristo kapena ufa wa crystalline.

 

Trit-butoxycarbonyl-L-seric acid benzyl imagwiritsa ntchito kaphatikizidwe ka peptide ndi kaphatikizidwe ka peptide m'munda wa kaphatikizidwe ka organic. Imakhala ngati gulu loteteza pamachitidwe a peptide chain elongation kuteteza magulu am'mbali ogwira ntchito a amino acid. Pa kaphatikizidwe ndondomeko, pamene ena amino zidulo mu chandamale peptide zinayendera safuna kusinthidwa anachita, tert-butoxycarbonyl-L-seric asidi benzyl angathe kuteteza L-serine.

 

Njira yopangira tert-butoxycarbonyl-L-serene benzyl nthawi zambiri imakhala kudzera mu activation ndi esterification reaction ya amino acid. Njira yeniyeni yokonzekera ikhoza kukhala yochitira L-serine ndi tert-butoxycarbonyl chlorinator kupanga tert-butoxycarbonyl amino acid mchere, ndiyeno kuchitapo kanthu ndi mowa wa benzyl kuti mupeze tert-butoxycarbonyl-L-serene benzyl.

 

Chidziwitso cha Chitetezo: Trit-butoxycarbonyl-L-seric acid benzyl nthawi zambiri imakhala yotetezeka ikagwiritsidwa ntchito moyenera. Zitha kukwiyitsa maso ndi khungu ndipo zimafuna kusamala pochita opaleshoni. Iyenera kugwiritsidwa ntchito pamalo olowera mpweya wabwino ndikupewa kupumira kapena kukhudza. Panthawi yosungira, iyenera kutsekedwa mwamphamvu komanso kutali ndi kutentha ndi moto.


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