Fmoc-D-Glutamic acid γ-cyclohexyl ester
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Fmoc-D-Glutamic acid γ-cyclohexyl ester

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Category
Fmoc-Amino Acids
Catalog number
BAT-002001
CAS number
204251-25-2
Molecular Formula
C26H29NO6
Molecular Weight
451.52
IUPAC Name
(2R)-5-cyclohexyloxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)-5-oxopentanoic acid
Synonyms
Fmoc-D-Glu(OcHex)-OH; Fmoc-D-Glutamic acid 5-cyclohexyl ester; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-(cyclohexyloxy)-5-oxopentanoic acid
Appearance
White powder
Purity
≥ 99% (HPLC)
Density
1.3±0.1 g/cm3
Boiling Point
679.5±55.0 °C at 760 mmHg
Storage
Store at 2-8 °C
InChI
InChI=1S/C26H29NO6/c28-24(33-17-8-2-1-3-9-17)15-14-23(25(29)30)27-26(31)32-16-22-20-12-6-4-10-18(20)19-11-5-7-13-21(19)22/h4-7,10-13,17,22-23H,1-3,8-9,14-16H2,(H,27,31)(H,29,30)/t23-/m1/s1
InChI Key
ODIPEUXZAYGDMU-HSZRJFAPSA-N
Canonical SMILES
C1CCC(CC1)OC(=O)CCC(C(=O)O)NC(=O)OCC2C3=CC=CC=C3C4=CC=CC=C24
1. Tris(pentafluorophenyl)borane-Catalyzed Reactions Using Silanes
Taylor Hackel, Nicholas A McGrath Molecules. 2019 Jan 25;24(3):432. doi: 10.3390/molecules24030432.
The utility of an electron-deficient, air stable, and commercially available Lewis acid tris(pentafluorophenyl)borane has recently been comprehensively explored. While being as reactive as its distant cousin boron trichloride, it has been shown to be much more stable and capable of catalyzing a variety of powerful transformations, even in the presence of water. The focus of this review will be to highlight those catalytic reactions that utilize a silane as a stoichiometric reductant in conjunction with tris(pentafluorophenyl) borane in the reduction of alcohols, carbonyls, or carbonyl-like derivatives.
2. Photocatalytic direct borylation of carboxylic acids
Qiang Wei, Yuhsuan Lee, Weiqiu Liang, Xiaolei Chen, Bo-Shuai Mu, Xi-Yang Cui, Wangsuo Wu, Shuming Bai, Zhibo Liu Nat Commun. 2022 Nov 19;13(1):7112. doi: 10.1038/s41467-022-34833-1.
The preparation of high value-added boronic acids from cheap and plentiful carboxylic acids is desirable. To date, the decarboxylative borylation of carboxylic acids is generally realized through the extra step synthesized redox-active ester intermediate or in situ generated carboxylic acid covalent derivatives above 150 °C reaction temperature. Here, we report a direct decarboxylative borylation method of carboxylic acids enabled by visible-light catalysis and that does not require any extra stoichiometric additives or synthesis steps. This operationally simple process produces CO2 and proceeds under mild reaction conditions, in terms of high step economy and good functional group compatibility. A guanidine-based biomimetic active decarboxylative mechanism is proposed and rationalized by mechanistic studies. The methodology reported herein should see broad application extending beyond borylation.
3. Boronate-Based Fluorescent Probes as a Prominent Tool for H2O2 Sensing and Recognition
Ling Wang, Xuben Hou, Hao Fang, Xinying Yang Curr Med Chem. 2022;29(14):2476-2489. doi: 10.2174/0929867328666210902101642.
Given the crucial association of hydrogen peroxide with a wide range of human diseases, this compound has currently earned the reputation of being a popular biomolecular target. Although various analytical methods have attracted our attention, fluorescent probes have been used as prominent tools to determine H2O2 to reflect the physiological and pathological conditions of biological systems. The sensitive responsive part of these probes is the boronate ester and boronic acid groups, which are important reporters for H2O2 recognition. In this review, we summarize boronate ester/boronic acid group-based fluorescent probes for H2O2 reported from 2012 to 2020, and we have generally classified the fluorophores into six categories to exhaustively elaborate the design strategy and comprehensive systematic performance. We hope that this review will inspire the exploration of new fluorescent probes based on boronate ester/boronic acid groups for the detection of H2O2 and other relevant analytes.
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