776874
K-Oxyma
97%
别名:
2-氰基-2-（羟基亚氨基）乙酸乙酯，钾盐, 乙基（羟基亚氨基）氰基乙酸钾盐
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关于此项目
经验公式（希尔记法）:
C5H5KN2O3
化学文摘社编号:
分子量:
180.20
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352111
MDL number:
InChI
1S/C5H6N2O3.K/c1-2-10-5(8)4(3-6)7-9;/h9H,2H2,1H3;/q;+1/p-1/b7-4+;
SMILES string
CCOC(/C(C#N)=N/[O-])=O.[K+]
InChI key
ZFBMUWGNRJITLS-KQGICBIGSA-M
assay
97%
form
powder
reaction suitability
reaction type: Addition Reactions
mp
141-147
application(s)
peptide synthesis
storage temp.
2-8°C
Quality Level
Application
- HOBt和HOAt的非爆炸性替代品，性能与HOAt至少相当
- 在空间要求严格的肽键形成中性能胜过HOAt
- 与碳二亚胺介导的过程相兼容；溶液和固相肽偶联；
- 片段缩合反应中的差向异构现象少于HOBt
- K盐特别适用于在弱酸不稳定的树脂（如2-氯三苯甲基）上进行肽偶联；由于其具有更强的碱性，因此使得肽从树脂上脱离的概率降至最低甚至没有
- K盐的熔点高于OxymaPure
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Subiros-Funosas; R. et al
Chemistry (Weinheim An Der Bergstrasse, Germany), 15, 9394-9403 (2009)
Mona M Agwa et al.
International journal of biological macromolecules, 162, 246-261 (2020-06-13)
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