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Showing 13 to 21 of 21 entries
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Dehydrogenative Formation of Resorcinol Derivatives Using Pd/C-Ethylene Catalytic System.

The Journal of organic chemistry

El-Deeb IY, Funakoshi T, Shimomoto Y, Matsubara R, Hayashi M.
PMID: 28168872
J Org Chem. 2017 Mar 03;82(5):2630-2640. doi: 10.1021/acs.joc.6b03037. Epub 2017 Feb 20.

The conversion of substituted 1,3-cyclohexanediones to the alkyl ethers of resorcinol using a Pd/C-ethylene system is reported. In these reactions, ethylene works as a hydrogen acceptor. The efficient synthesis of resveratrol was achieved using this protocol as a key...

Short and Protecting-Group-Free Approach to the (-)-Δ.

Organic letters

Hoffmann G, Studer A.
PMID: 29701472
Org Lett. 2018 May 18;20(10):2964-2966. doi: 10.1021/acs.orglett.8b01005. Epub 2018 Apr 27.

Friedel-Crafts alkylation of resorcinols with ( S)- cis-verbenol and subsequent cyclization allows the construction of the tetrahydrodibenzopyran core of (-)-Δ

Anthelmintic Properties of Certain Alkyl Resorcinols.

California and western medicine

Anderson HH.
PMID: 18741844
Cal West Med. 1931 Aug;35(2):138.

No abstract available.

Rh-catalyzed [5+1] and [4+1] cycloaddition reactions of 1,4-enyne esters with CO: a shortcut to functionalized resorcinols and cyclopentenones.

Chemistry (Weinheim an der Bergstrasse, Germany)

Fukuyama T, Ohta Y, Brancour C, Miyagawa K, Ryu I, Dhimane AL, Fensterbank L, Malacria M.
PMID: 22505021
Chemistry. 2012 Jun 04;18(23):7243-7. doi: 10.1002/chem.201200045. Epub 2012 Apr 13.

We have developed novel Rh-catalyzed [n+1]-type cycloadditions of 1,4-enyne esters, which involve an acyloxy migration as a key step. The efficient preparation of functionalized resorcinols, including biaryl derivatives, from readily available 1,4-enyne esters and CO was achieved by Rh-catalyzed...

Chiral Dinuclear Vanadium Complex-Mediated Oxidative Coupling of Resorcinols.

The Journal of organic chemistry

Sako M, Aoki T, Zumbrägel N, Schober L, Gröger H, Takizawa S, Sasai H.
PMID: 30501179
J Org Chem. 2019 Feb 01;84(3):1580-1587. doi: 10.1021/acs.joc.8b02494. Epub 2018 Dec 13.

A method for the highly regio- and enantioselective oxidative coupling of resorcinols has been established by using dibrominated dinuclear vanadium(V) catalyst 1c under air. When resorcinols bearing an aryl substituent were applied as substrates to the coupling, axially chiral...

Superior even skin tone and anti-ageing benefit of a combination of 4-hexylresorcinol and niacinamide.

International journal of cosmetic science

Shariff R, Du Y, Dutta M, Kumar SV, Thimmaiah S, Doraiswamy C, Kumari A, Kale V, Nair N, Zhang S, Joshi MM, Santhanam U, Qiu Q, Damodaran A.
PMID: 34958693
Int J Cosmet Sci. 2021 Dec 27; doi: 10.1111/ics.12759. Epub 2021 Dec 27.

OBJECTIVES: To demonstrate the synergistic effect of 4-hexylresorcinol (4-HR) with niacinamide in boosting anti-melanogenic efficacy in-vitro and establish the in-vivo efficacy and safety of the combination in a human trial.METHODS: Primary human epidermal melanocytes and 3D pigmented skin equivalents...

Pregnancy outcomes with differences in grain consumption: a randomized controlled trial.

Journal of perinatal medicine

Yamada P, Paetow A, Chan M, Arslan A, Landberg R, Young BK.
PMID: 34981703
J Perinat Med. 2022 Jan 03; doi: 10.1515/jpm-2021-0479. Epub 2022 Jan 03.

OBJECTIVES: Contemporary obstetrics has begun to appreciate the importance of diet in pregnancy, but guidelines are not based on robust data. The hypothesis that a whole grains diet improves pregnancy outcomes is tested in this study. We compared maternal...

Kolbe-Schmitt type reaction under ambient conditions mediated by an organic base.

Chemical communications (Cambridge, England)

Sadamitsu Y, Okumura A, Saito K, Yamada T.
PMID: 31364638
Chem Commun (Camb). 2019 Aug 13;55(66):9837-9840. doi: 10.1039/c9cc04550c.

The combined use of an organic base for resorcinols realized a Kolbe-Schmitt type reaction under ambient conditions. When resorcinols (3-hydroxyphenol derivatives) were treated with DBU under a carbon dioxide atmosphere, nucleophilic addition to carbon dioxide proceeded to afford the...

Regioselective, cascade [3+2] annulation of β-naphthols (resorcinols) with Z-enoate propargylic alcohols: a novel entry for the synthesis of complex naphtho(benzo)furans.

Chemical communications (Cambridge, England)

Tharra P, Baire B.
PMID: 27882364
Chem Commun (Camb). 2016 Dec 06;52(99):14290-14293. doi: 10.1039/c6cc08126f.

An acid promoted, unprecedented cascade [3+2] annulation strategy for the synthesis of complex naphtho- and benzofurans is reported. An alkoxyfuranylallene intermediate (generated from Z-enoate propargylic alcohols via a Meyer-Schuster rearrangement) was employed as the 1,2-bis-electrophile and β-naphthols (phenols) as...

Showing 13 to 21 of 21 entries