98.0%| A1457144|Formula:C9H9BrO2|Molecular Weight:229.070650000+ products instock " />
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Fabian Fischer ; Julian Schliehe-Diecks ; Jia-Wey Tu , et al. JMC,2024. DOI: 10.1021/acs.jmedchem.4c02024 PubMed ID: 39602240
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Abstract: Histone deacetylase inhibitors (HDACi) are established anticancer drugs, especially in hematological cancers. This study aimed to design, synthesize, and evaluate a set of HDACi featuring a pentyloxyamide connecting unit linker region and substituted phenylthiazole cap groups. A structural optimization program yielded HDACi with nanomolar inhibitory activity against histone deacetylase class I/IIb enzymes. The novel inhibitors (4d and 4m) showed superior antileukemic activity compared to several approved HDACi. Furthermore, 4d and 4m displayed synergistic activity when combined with chemotherapeutics, decitabine, and clofarabine. In vitro pharmacokinetic studies showed the most promising profile for 4d with intermediate microsomal stability, excellent plasma stability, and concentration-independent plasma protein binding. Additionally, 4d demonstrated comparable in vivo pharmacokinetics to vorinostat. When administered in vivo, 4d effectively inhibited the proliferation of leukemia cells without causing toxicity. Furthermore, the binding modes of 4d and 4m to the catalytic domain 2 of HDAC6 from Danio rerio were determined by X-ray crystallography.
Purchased from AmBeed: 5000-65-7 ; 2632-13-5 ; 31949-21-0 ; 94790-37-1
CAS No. : | 5000-65-7 | MDL No. : | MFCD00000199 |
Formula : | C9H9BrO2 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | IOOHBIFQNQQUFI-UHFFFAOYSA-N |
M.W : | 229.07 | Pubchem ID : | 101294 |
Synonyms : |
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Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P261-P280-P305+P351+P338-P310 | UN#: | 3261 |
Hazard Statements: | H314-H335 | Packing Group: | Ⅱ |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In ethanol; | Step 11.1: 2-Amino-3-ethoxycarbonyl-5-(3-methoxy-phenyl)-1H-pyrrole Analogously to Step 8.1, 14.5 g (87 mmol) of 2-amidino-acetic acid ethyl ester hydro-chloride in 150 ml of abs. ethanol are reacted with 5.9 g (87 mmol) of sodium ethanolate and 10.3 g (44 mmol) of 2-bromo-1-(3-methoxy-phenyl)-ethan-1-one (2-bromo-3'-methoxy-acetophenone; Janssen) to form the title compound; m.p. 96-97oC; TLC-Rf =0.2 (hexane/ethyl acetate [2:1]). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In ethanol; at 90℃; for 2h; | A mixture of 150 mg 2-bromo-1 -(3-methoxyphenyl)ethan-1 -one (655 pmol) and 160 mg tert-butyl 4-carbamothioylpiperidine-1 -carboxylate (655 pmol) in 2 ml. of ethanol were stirred for 2 h at 90C. The reaction mixture was cooled to room tempe rauture and the resulting suspension was filtered and washed with ethanol. The solid was dried and the crude product (203 mg) was used directly in the next step.1 H-NMR (400MHz, DMSO-d6): d [ppm]= 1.85 - 2.01 (m, 2H), 2.25 (br dd, 2H), 3.08 (br t, 2H), 3.36 - 3.50 (m, 3H), 3.81 (s, 3H), 6.93 (ddd, 1 H), 7.36 (t, 1 H), 7.46 - 7.57 (m, 2H), 8.08 (s, 1 H), 8.24 - 8.46 (m, 1 H), 8.62 (br s, 1 H). |
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