asia_oju-iwe

ọja

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

Ohun-ini Kemikali:

Fọọmu Molecular C15H21NO5
Molar Mass 295.33
iwuwo 1.1454 (iṣiro ti o ni inira)
Ojuami Iyo 58-60°C(tan.)
Ojuami Boling 437.02°C (iṣiro ti o ni inira)
Yiyi pato (α) 21.5º (c=2, ethanol)
Oju filaṣi 229.7°C
Vapor Presure 4.07E-09mmHg ni 25°C
Ifarahan White gara tabi lulú
Àwọ̀ Funfun to Fere funfun
BRN 3064461
pKa 3.53± 0.10 (Asọtẹlẹ)
Ibi ipamọ Ipo Tọju ni aaye dudu, Ti di ni gbigbẹ, Iwọn otutu yara
Atọka Refractive 22 ° (C=2, EtoOH)
MDL MFCD00066063
Ti ara ati Kemikali Properties Funfun okuta lulú; Insoluble ninu omi ati epo ether, tiotuka ni ethyl acetate, acetic acid ati ethanol; mp jẹ 56-58 ℃; Yiyi opitika kan pato [α]20D 20 °(0.5-2.0 mg/ml, acetic acid).

Alaye ọja

ọja Tags

Awọn aami ewu Xn – ipalara
Awọn koodu ewu R20 / 21/22 - ipalara nipasẹ ifasimu, ni olubasọrọ pẹlu awọ ara ati ti o ba gbe.
R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
Apejuwe Abo S24/25 - Yago fun olubasọrọ pẹlu awọ ara ati oju.
S36 - Wọ aṣọ aabo to dara.
S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
WGK Germany 3
TSCA Bẹẹni
HS koodu 2924 29 70
Kíláàsì ewu IKANU

 

Ọrọ Iṣaaju

Trit-butoxycarbonyl-L-seric acid benzyl ester (eyiti a tun mọ ni BOC-L-serine benzyl ester) jẹ agbo-ara Organic. O ni awọn ohun-ini wọnyi:

 

1. Irisi: funfun si ina awọn kirisita ofeefee tabi lulú lulú.

 

Trit-butoxycarbonyl-L-seric acid benzyl jẹ lilo akọkọ fun iṣelọpọ peptide ati awọn aati iṣelọpọ peptide ni aaye ti iṣelọpọ Organic. O ṣe bi ẹgbẹ aabo ni awọn aati elongation pq peptide lati daabobo awọn ẹgbẹ iṣẹ ṣiṣe ti awọn amino acids. Lakoko ilana iṣelọpọ, nigbati awọn amino acids miiran ninu ọna peptide afojusun ko nilo lati yipada ni ifa, tert-butoxycarbonyl-L-seric acid benzyl le daabobo L-serine daradara.

 

Ọna ti ngbaradi tert-butoxycarbonyl-L-serene benzyl jẹ gbogbogbo nipasẹ imuṣiṣẹ ati iṣesi imudara ti amino acids. Ọna igbaradi pato le jẹ lati fesi L-serine pẹlu tert-butoxycarbonyl chlorinator lati ṣe iyọ tert-butoxycarbonyl amino acid, ati lẹhinna fesi pẹlu ọti benzyl lati gba tert-butoxycarbonyl-L-serene benzyl.

 

Alaye Aabo: Trit-butoxycarbonyl-L-seric acid benzyl jẹ ailewu ni gbogbogbo labẹ iṣẹ ṣiṣe to pe. O le jẹ irritating si awọn oju ati awọ ara ati nilo awọn iṣọra to dara nigbati o nṣiṣẹ. O nilo lati ṣiṣẹ ni agbegbe ti o ni afẹfẹ daradara ki o yago fun ifasimu tabi olubasọrọ. Lakoko ibi ipamọ, o yẹ ki o wa ni pipade ni wiwọ ati kuro ninu ooru ati ina.


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