155268
(R)-(+)-α-甲氧基-α-三氟甲基苯乙酸
99%
别名:
(+)-MTPA, Mosher 酸
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线性分子式:
C6H5C(OCH3)(CF3)CO2H
化学文摘社编号:
分子量:
234.17
Beilstein:
3591560
EC 号:
MDL编号:
UNSPSC代码:
12352112
PubChem化学物质编号:
NACRES:
NA.22
方案
99%
表单
solid
旋光性
[α]20/D +72°, c = 1.6 in methanol
光学纯度
ee: 99% (GLC)
折射率
n20/D 1.473 (lit.)
沸点
105-107 °C/1 mmHg (lit.)
mp
46-49 °C (lit.)
密度
1.344 g/mL at 25 °C (lit.)
官能团
carboxylic acid
ether
fluoro
phenyl
储存温度
2-8°C
SMILES字符串
CO[C@@](C(O)=O)(c1ccccc1)C(F)(F)F
InChI
1S/C10H9F3O3/c1-16-9(8(14)15,10(11,12)13)7-5-3-2-4-6-7/h2-6H,1H3,(H,14,15)/t9-/m1/s1
InChI key
JJYKJUXBWFATTE-SECBINFHSA-N
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应用
(R)-(+)-α-Methoxy-α-trifluoromethylphenylacetic acid is commonly used as a derivatizing agent in Mosher ester analysis, an NMR-based method for determining the absolute configuration of the chiral carbon center in a secondary alcohol.
包装
Bottomless glass bottle. Contents are inside inserted fused cone.
其他说明
doi:10.1038/nprot.2007.354
警示用语：
Warning
危险声明
危险分类
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
235.4 °F - closed cup
闪点(°C)
113 °C - closed cup
个人防护装备
dust mask type N95 (US), Eyeshields, Gloves
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Lidia De Luca et al.
The Journal of organic chemistry, 72(10), 3955-3957 (2007-04-11)
An effective route to chiral optically active 2-substituted benzofurans directly from carboxylic acids is reported. This procedure, which allows the preparation of alpha-alkyl-2-benzofuranmethanamines from N-protected alpha-amino acids without sensible racemization phenomena, proceeds in good yields under mild conditions with the
Mosher ester analysis for the determination of absolute configuration of stereogenic (chiral) carbinol carbons.
Hoye TR, et al.
Nature Protocols, 2(10), 2451-2458 (2007)
J Martín Torres-Valencia et al.
Phytochemical analysis : PCA, 13(6), 329-332 (2002-12-24)
A method to determine the absolute configuration of 2,3-epoxy-2-methylbutanoate ester residues in natural products is presented, based on (i) the reduction of the ester function to yield a 2-methyl-1,2-butanediol, (ii) esterification of the obtained primary alcohol with either (R)-(+)- or
Barry J Everitt et al.
Nature neuroscience, 8(11), 1481-1489 (2005-10-28)
Drug addiction is increasingly viewed as the endpoint of a series of transitions from initial drug use--when a drug is voluntarily taken because it has reinforcing, often hedonic, effects--through loss of control over this behavior, such that it becomes habitual
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