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Showing 1 to 12 of 21 entries
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Shortcut Syntheses of Naturally Occurring 5-Alkylresorcinols with DNA-Cleaving Properties.

The Journal of organic chemistry

Fürstner A, Seidel G.
PMID: 11671563
J Org Chem. 1997 Apr 18;62(8):2332-2336. doi: 10.1021/jo962423i.

Resorcinols such as 1-5 bearing long alkyl- or alkenyl substituents at the C-5 position, including bola-formed bis-resorcinol derivatives, have recently been isolated from natural sources and were shown to exhibit exceptional DNA-cleaving properties under oxidative conditions. Previous synthetic approaches...

Simple Synthesis of 5-Substituted Resorcinols: A Revisited Family of Interesting Bioactive Molecules.

The Journal of organic chemistry

Alonso E, Ramón DJ, Yus M.
PMID: 11671418
J Org Chem. 1997 Jan 24;62(2):417-421. doi: 10.1021/jo9610624.

The reaction of 3,5-dimethoxybenzyl trimethylsilyl ether (3) with different aldehydes (n-PrCHO, n-C(11)H(23)CHO, MeCHO, PhCHO) in the presence of lithium powder and a catalytic amount of naphthalene (4 mol %) gave, after hydrolysis, the expected alcohols 4 in moderate yields....

Synthesis of functionalized resorcinols by rhodium-catalyzed [5+1] cycloaddition reaction of 3-acyloxy-1,4-enynes with CO.

Chemical communications (Cambridge, England)

Brancour C, Fukuyama T, Ohta Y, Ryu I, Dhimane AL, Fensterbank L, Malacria M.
PMID: 20585695
Chem Commun (Camb). 2010 Aug 14;46(30):5470-2. doi: 10.1039/c0cc00747a. Epub 2010 Jun 29.

A novel [5+1] type carbonylative cycloaddition reaction has been developed using a Rh complex as catalyst. This reaction can convert readily available 3-acyloxy-1,4-enynes and CO to a wide range of functionalized resorcinols in good yields. A mechanism involving Rh-catalyzed...

Metal and Oxidant-Free Brønsted Acid-Mediated Cascade Reaction to Substituted Benzofurans.

The Journal of organic chemistry

Mari G, Ciccolini C, De Crescentini L, Favi G, Santeusanio S, Mancinelli M, Mantellini F.
PMID: 31407579
J Org Chem. 2019 Sep 06;84(17):10814-10824. doi: 10.1021/acs.joc.9b01363. Epub 2019 Aug 23.

Substituted hydroxy-benzofurans are easily accessible by treatment of resorcinols and 1,2-diaza-1,3-dienes (DDs) under acidic conditions. The reaction happens through an uncommon Michael reaction between aromatic derivatives as aromatic C(sp

Regioselective photoreactions within a series of mixed co-crystals containing isosteric dihalogenated resorcinols with 4-stilbazole.

Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology

Grobelny AL, Rath NP, Groeneman RH.
PMID: 30849166
Photochem Photobiol Sci. 2019 May 15;18(5):989-992. doi: 10.1039/c9pp00004f.

The formation and photoreactivity of a series of mixed co-crystals containing 4-stilbazole along with both 4,6-dichlororesorcinol and 4,6-dibromoresorcinol at various ratios is reported. In all cases, the quantitative [2 + 2] cycloaddition reaction yields an identical head-to-tail photoproduct, namely...

Direct Synthesis of the Phenanthroviridone Skeleton Using a Highly Regioselective Nitroquinone Diels-Alder Reaction.

ACS omega

Yu H, Fought EL, Windus TL, Kraus GA.
PMID: 32363281
ACS Omega. 2020 Apr 17;5(16):9311-9315. doi: 10.1021/acsomega.0c00201. eCollection 2020 Apr 28.

A variety of nucleophiles react efficiently with in situ generated nitroquinones. The reaction with substituted resorcinols led to the direct synthesis of the phenanthroviridinone and lagumycin skeleton via a highly regioselective Diels-Alder reaction.

Study of antiradical mechanisms with dihydroxybenzenes using reaction force and reaction electronic flux.

Physical chemistry chemical physics : PCCP

Ortega-Moo C, Durán R, Herrera B, Gutiérrez-Oliva S, Toro-Labbé A, Vargas R.
PMID: 28537305
Phys Chem Chem Phys. 2017 Jun 07;19(22):14512-14519. doi: 10.1039/c7cp01304c.

Phenolic compounds represent an important category of antioxidants because they help inhibit the oxidation process of organic compounds, while also acting as antiradicals in many biological processes. In this work, we analyze the transfer mechanisms for a set of...

Oxygen reduction reaction catalyzed by nickel complexes based on thiophosphorylated calix[4]resorcinols and immobilized in the membrane electrode assembly of fuel cells.

Dalton transactions (Cambridge, England : 2003)

Kadirov MK, Knyazeva IR, Nizameev IR, Safiullin RA, Matveeva VI, Kholin KV, Khrizanforova VV, Ismaev TI, Burilov AR, Budnikova YH, Sinyashin OG.
PMID: 27711779
Dalton Trans. 2016 Oct 18;45(41):16157-16161. doi: 10.1039/c6dt02881k.

The catalytic activity of the nickel complexes of thiophosphorylated calix[4]resorcinols for oxygen reduction in a polymer electrolyte membrane fuel cell (PEMFC) has been studied. The conformation of the macrocyclic ligand determines the morphology and catalytic properties of the resulting...

A single grain screening technique for breeding alkylresorcinol-poor rye.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

Hoffmann F, Wenzel G.
PMID: 24407491
Theor Appl Genet. 1977 Jan;50(1):1-2. doi: 10.1007/BF00273789.

A quick and simple semi-quantitative method of selecting single seeds of rye for their content of 5-alkyl-resorcinols is presented. The resorcinols are extracted from whole, intact caryopses with acetone. Under the conditions described the germination rate is hardly decreased....

Synthesis, characterization, and pharmacological evaluation of novel azolo- and azinothiazinones containing 2,4-dihydroxyphenyl substituent as anticancer agents.

Monatshefte fur chemie

Matysiak J, Juszczak M, Karpińska MM, Langner E, Walczak K, Lemieszek M, Skrzypek A, Rzeski W, Niewiadomy A.
PMID: 26190864
Monatsh Chem. 2015;146(8):1315-1327. doi: 10.1007/s00706-015-1453-4. Epub 2015 Apr 02.

No abstract available.

Enantioselective Organocatalytic Synthesis of Bicyclic Resorcinols .

Advanced synthesis & catalysis

Bryant LA, Shankland K, Straker HE, Johnston CD, Lees NR, Cobb AJA.
PMID: 34594164
Adv Synth Catal. 2021 Aug 13;363(16):4067-4074. doi: 10.1002/adsc.202100647. Epub 2021 Jul 12.

The organocatalytic transformation of resorcinols is extremely rare. In this article, we report a highly enantioselective, organocatalytic intramolecular cyclization of these systems by a Friedel-Crafts-type 1,4-addition using a Jørgensen-Hayashi-like organocatalyst with a large silyl protecting group, and show that...

Discovery of KLS-13019, a Cannabidiol-Derived Neuroprotective Agent, with Improved Potency, Safety, and Permeability.

ACS medicinal chemistry letters

Kinney WA, McDonnell ME, Zhong HM, Liu C, Yang L, Ling W, Qian T, Chen Y, Cai Z, Petkanas D, Brenneman DE.
PMID: 27096053
ACS Med Chem Lett. 2016 Feb 10;7(4):424-8. doi: 10.1021/acsmedchemlett.6b00009. eCollection 2016 Apr 14.

Cannabidiol is the nonpsychoactive natural component of C. sativa that has been shown to be neuroprotective in multiple animal models. Our interest is to advance a therapeutic candidate for the orphan indication hepatic encephalopathy (HE). HE is a serious...

Showing 1 to 12 of 21 entries