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Merck

318035

Sigma-Aldrich

(S)-(-)-α-甲氧基-α-(三氟甲基)苯乙酸

≥99%

别名:

(-)-MTPA, Mosher 酸

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About This Item

线性分子式:
C6H5C(OCH3)(CF3)CO2H
CAS号:
分子量:
234.17
Beilstein:
4684048
EC號碼:
MDL號碼:
分類程式碼代碼:
12352112
PubChem物質ID:
NACRES:
NA.22

品質等級

化驗

≥99%

光學活性

[α]18/D −72°, c = 1.6 in methanol

光學純度

ee: 99% (GLC)

折射率

n20/D 1.474 (lit.)

bp

95-97 °C/0.05 mmHg (lit.)

mp

46-49 °C (lit.)

密度

1.303 g/mL at 25 °C (lit.)

儲存溫度

2-8°C

SMILES 字串

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-/m0/s1

InChI 密鑰

JJYKJUXBWFATTE-VIFPVBQESA-N

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一般說明

(S)-(-)-α-甲氧基-α-(三氟甲基)苯乙酸通常用作 Mosher 酯分析和 Mosher 酰胺分析中的衍生剂,这是基于核磁共振法分别测定仲醇和胺类化合物中手性碳中心绝对构型的方法。

包裝

无底玻璃瓶。内含物在插入的融合锥体内。

其他說明

doi:10.1038/nprot.2007.354

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

235.4 °F - closed cup

閃點(°C)

113 °C - closed cup

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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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)
Thomas R Hoye et al.
Organic letters, 12(8), 1768-1771 (2010-03-27)
The relative magnitudes of the chemical shift differences (Deltadeltas) in the two diastereomers of menthyl esters of known chiral derivatizing agents (CDAs) were compared to those of the alpha-methoxy-alpha-trifluoromethyl-1-naphthylacetyl (MTN((1))A) analogues I. Discrimination of the terminal diastereotopic methyl resonances in
Hiroshi Hasegawa et al.
Journal of mass spectrometry : JMS, 46(5), 502-507 (2011-04-19)
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Giancarlo Cravotto et al.
Chirality, 16(8), 526-533 (2004-08-04)
Cyclodextrin (CD) derivatives are important selectors for analytical chiral recognition. Their enantioselectivities and chemical properties depend on ring size and on nature, number and location of substituents. This paper describes the synthesis of 6-O-TBDMS-2,3-O-methyl beta-cyclodextrins bearing in position 2 either
Barry J Everitt et al.
Nature neuroscience, 8(11), 1481-1489 (2005-10-28)
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