cas 1655-54-5, N-(2,4-DINITROPHENYL)-L-PHENYLALANINE | Articles data ｜lookchem

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1655-54-5

Articles about 1655-54-5Total 4 be found

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Conformational analysis of colchicinoids containing an electron-deficient aromatic ring on the B ring
-
Pyles,Hastie
p. 2751 - 2759
(1993)
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Efficient nucleophilic substitution reaction of aryl halides with amino acids under focused microwave irradiation
The nucleophilic substitution reaction of 2,4-dinitrofluorobenzene with amino acids was complete, under microwave iradiation, within 40 s with yields up to 93%, which are far superior to those obtained under conventional heating. (C) 2000 Elsevier Science Ltd.
Cherng, Yie-Jia
p. 8287 - 8289
(2007/10/03)

Simple and efficient preparation of (R)- and (S)-enantiomers of α-carbon deuterium-labelled α-amino acids
A procedure for the synthesis of (R)- and (S)-enantiomers of α-carbon deuterium-labelled α-amino acids, exemplified for (R)- and (S)-[2-2H1]-Leu is described. Starting from the respective (S)- or (R)-enantiomer or from the racemic mixture of an α-amino acid the selective proton exchange at the α-carbon is carried out by racemization via a Schiff base in monodeuterated acetic acid as solvent which serves as deuterium source. After N-protection the racemic mixture is liquid chromatographically separated into the individual (R)- and (S)-enantiomers on preparative scale employing a chiral anion exchanger based on carbamoylated quinine as chiral selector. After deprotection the enantiomerically pure products can be obtained in good yields.
Mitulovi, Goran,Laemmerhofer, Michael,Maier,Lindner, Wolfgang
p. 449 - 461
(2007/10/03)

Studies on fungal products. XI. Isolation and structures of novel cyclic pentapeptides from Aspergillus sp. NE-45
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Kobayashi,Samejima,Nakajima,Kawai,Udagawa
p. 1347 - 1352
(2007/10/02)

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Chemical Properties

Appearance/Colour :Bright yellow powder
Melting Point: 187 °C
Boiling Point: 588.5 °C at 760 mmHg
Flash Point:309.7 °C
Density: 1.497 g/cm³
Solubility:almost transparency in Methanol
Storage Temp.:−20°C
Vapor Pressure: 1.08E-14mmHg at 25°C
Refractive Index: -94.5 ° (C=1, AcOH)
PKA: 3.60±0.10(Predicted)
PSA: 140.97000
LogP: 3.73020

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