N-α-Allyloxycarbonyl-L-leucine dicyclohexylammonium salt
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N-α-Allyloxycarbonyl-L-leucine dicyclohexylammonium salt

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Category
L-Amino Acids
Catalog number
BAT-005951
CAS number
110661-35-3
Molecular Formula
C22H40N2O4
Molecular Weight
396.56
N-α-Allyloxycarbonyl-L-leucine dicyclohexylammonium salt
Synonyms
Aloc-Leu-OH DCHA; Alloc-Leu-OH DCHA
Purity
95%
InChI
InChI=1S/C12H23N.C10H17NO4/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12;1-4-5-15-10(14)11-8(9(12)13)6-7(2)3/h11-13H,1-10H2;4,7-8H,1,5-6H2,2-3H3,(H,11,14)(H,12,13)/t;8-/m.0/s1
InChI Key
XUSLXNKDRGFJLP-WDBKTSHHSA-N
Canonical SMILES
CC(C)CC(C(=O)O)NC(=O)OCC=C.C1CCC(CC1)NC2CCCCC2
1.In-vitro antitumor activity evaluation of hyperforin derivatives.
Sun F1, Liu JY, He F, Liu Z, Wang R, Wang DM, Wang YF, Yang DP. J Asian Nat Prod Res. 2011 Aug;13(8):688-99. doi: 10.1080/10286020.2011.584532.
The derivatives of hyperforin, namely hyperforin acetate (2), 17,18,22,23,27,28,32,33-octahydrohyperforin acetate (3), and N,N-dicyclohexylamine salt of hyperforin (4), have been investigated for their antitumor properties. In-vitro studies demonstrated that 2 and 4 were active against HeLa (human cervical cancer), A375 (human malignant melanoma), HepG2 (human hepatocellular carcinoma), MCF-7 (human breast cancer), A549 (human nonsmall cell lung cancer), K562 (human chronic myeloid leukemia), and K562/ADR (human adriamycin-resistant K562) cell lines with IC(50) values in the range of 3.2-64.1 μM. The energy differences between highest occupied molecular orbital and lowest unoccupied molecular orbital of 2-4 were calculated to be 0.39778, 0.43106, and 0.30900 a.u., respectively, using the Gaussian 03 software package and ab initio method with the HF/6-311 G* basis set. The result indicated that the biological activity of 4 might be the strongest and that of 3 might be the weakest, which was in accordance with their corresponding antiproliferative effects against the tested tumor cell lines.
2.Gel sculpture: moldable, load-bearing and self-healing non-polymeric supramolecular gel derived from a simple organic salt.
Sahoo P1, Sankolli R, Lee HY, Raghavan SR, Dastidar P. Chemistry. 2012 Jun 25;18(26):8057-63. doi: 10.1002/chem.201200986. Epub 2012 May 24.
An easy access to a library of simple organic salts derived from tert-butoxycarbonyl (Boc)-protected L-amino acids and two secondary amines (dicyclohexyl- and dibenzyl amine) are synthesized following a supramolecular synthon rationale to generate a new series of low molecular weight gelators (LMWGs). Out of the 12 salts that we prepared, the nitrobenzene gel of dicyclohexylammonium Boc-glycinate (GLY.1) displayed remarkable load-bearing, moldable and self-healing properties. These remarkable properties displayed by GLY.1 and the inability to display such properties by its dibenzylammonium counterpart (GLY.2) were explained using microscopic and rheological data. Single crystal structures of eight salts displayed the presence of a 1D hydrogen-bonded network (HBN) that is believed to be important in gelation. Powder X-ray diffraction in combination with the single crystal X-ray structure of GLY.1 clearly established the presence of a 1D hydrogen-bonded network in the xerogel of the nitrobenzene gel of GLY.
3.Hyperforin production in Hypericum perforatum root cultures.
Gaid M1, Haas P2, Beuerle T3, Scholl S4, Beerhues L5. J Biotechnol. 2016 Mar 20;222:47-55. doi: 10.1016/j.jbiotec.2016.02.016. Epub 2016 Feb 10.
Extracts of the medicinal plant Hypericum perforatum are used to treat depression and skin irritation. A major API is hyperforin, characterized by sensitivity to light, oxygen and temperature. Total synthesis of hyperforin is challenging and its content in field-grown plants is variable. We have established in vitro cultures of auxin-induced roots, which are capable of producing hyperforin, as indicated by HPLC-DAD and ESI-MS analyses. The extraction yield and the productivity upon use of petroleum ether after solvent screening were ∼5mg/g DW and ∼50mg/L culture after six weeks of cultivation. The root cultures also contained secohyperforin and lupulones, which were not yet detected in intact plants. In contrast, they lacked another class of typical H. perforatum constituents, hypericins, as indicated by the analysis of methanolic extracts. Hyperforins and lupulones were stabilized and enriched as dicyclohexylammonium salts. Upon up-scaling of biomass production and downstream processing, H.
4.Stability of dicyclohexylamine and fumagillin in honey.
van den Heever JP1, Thompson TS2, Curtis JM3, Pernal SF4. Food Chem. 2015 Jul 15;179:152-8. doi: 10.1016/j.foodchem.2015.01.111. Epub 2015 Jan 31.
Fumagillin is extensively used to control nosema disease in apiculture. In the commercial formulation, fumagillin is present as a salt in an equimolar quantity with dicyclohexylamine (DCH). In this study DCH was observed to be significantly more resistant to degradation in honey than fumagillin using LC-MS/MS analysis. Observed half-lives for DCH ranged from a minimum of 368 days when kept at 34 °C in darkness, to a maximum of 852 days when stored at 21 °C in darkness. A maximum half-life of 246 days was observed for fumagillin in samples kept in darkness at a temperature of 21 °C. The observed half-life of fumagillin was estimated to be 3 days when exposed to light at 21 °C, and complete decomposition was observed after 30 days under the same conditions. The stability of DCH, combined with its genotoxicity and tumorigenic properties make it an important potential contaminant in honey destined for human consumption.
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