asia_oju-iwe

ọja

N-Boc-trans-4-Hydroxy-L-proline methyl ester (CAS # 74844-91-0)

Ohun-ini Kemikali:

Fọọmu Molecular C11H19NO5
Molar Mass 245.27
iwuwo 1.216± 0.06 g/cm3 (Asọtẹlẹ)
Ojuami Iyo 92-96°C (tan.)
Ojuami Boling 132°C/0.05mmHg(tan.)
Yiyi pato (α) -65º (c=1 CHCl3)
Oju filaṣi 156.55°C
Solubility Soluble ni chloroform, dichloromethane ati ethyl acetate.
Vapor Presure 0mmHg ni 25°C
Ifarahan Crystal
Àwọ̀ Funfun si ina alagara
pKa 14.27± 0.40 (Asọtẹlẹ)
Ibi ipamọ Ipo Tọju ni aaye dudu, Ti di ni gbigbẹ, Iwọn otutu yara
Atọka Refractive 1.501
MDL MFCD00076981

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
HS koodu 29339900
Kíláàsì ewu IKANU

 

Ọrọ Iṣaaju

N-BOC-trans-4-hydroxy-L-proline methyl ester, ni kikun orukọ N-tert-butoxycarbonyl-trans-4-hydroxy-L-proline methyl ester, jẹ ẹya Organic yellow.

 

Didara:

N-BOC-trans-4-hydroxy-L-proline methyl ester jẹ kristali funfun ti o lagbara.

 

Lo:

N-BOC-trans-4-hydroxy-L-proline methyl ester jẹ lilo nigbagbogbo gẹgẹbi ẹgbẹ aabo amino acid ni kemistri iṣelọpọ Organic. O le ṣee lo bi ẹgbẹ aabo ti o munadoko lati daabobo awọn ẹgbẹ iṣẹ ṣiṣe hydroxyl ni awọn amino acids lati ṣe idiwọ awọn aati aifẹ ni iṣelọpọ.

 

Ọna:

Igbaradi ti N-BOC-trans-4-hydroxy-L-proline methyl ester ni a maa n gba nipasẹ didaṣe N-BOC-4-hydroxy-L-proline pẹlu methanol. N-BOC-4-hydroxy-L-proline ni a ṣe pẹlu oluṣeto kan (bii DCC tabi DIC) lati ṣe ester ti a mu ṣiṣẹ, lẹhinna methanol ti wa ni afikun lati fesi pẹlu rẹ lati ṣe ina N-BOC-trans-4-hydroxy- L-proline methyl ester. Ọja ibi-afẹde naa ni a gba nipasẹ crystallization tabi awọn ọna iyapa ati awọn ọna mimọ.

 

Alaye Aabo: Nigbati o ba de si iṣelọpọ kemikali, lilo awọn ohun elo ati awọn ipo idanwo yẹ ki o ni iriri imọ-ẹrọ ti o baamu. Ninu awọn iṣẹ yàrá yàrá, o yẹ ki o ṣe itọju lati yago fun olubasọrọ taara pẹlu awọ ara ati oju, ati lati ṣetọju fentilesonu to dara. Ti o ba ni iriri eyikeyi aibalẹ ti ara tabi awọn aati ikolu miiran, o yẹ ki o wa itọju ilera lẹsẹkẹsẹ.


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