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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1918 1
1930 1
1945 1
1946 2
1948 1
1957 2
1959 1
1964 1
1965 1
1966 1
1967 2
1968 1
1970 1
1971 2
1972 1
1973 2
1974 3
1975 5
1976 4
1977 10
1978 6
1979 5
1980 4
1981 6
1982 5
1983 13
1984 3
1985 12
1986 10
1987 9
1988 8
1989 10
1990 6
1991 6
1992 14
1993 7
1994 5
1995 13
1996 8
1997 12
1998 9
1999 11
2000 14
2001 38
2002 26
2003 20
2004 30
2005 36
2006 34
2007 55
2008 36
2009 36
2010 49
2011 39
2012 54
2013 59
2014 52
2015 66
2016 54
2017 53
2018 61
2019 66
2020 93
2021 80
2022 67
2023 84
2024 38

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1,373 results

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Page 1
Quinoid Pigments of Sea Urchins Scaphechinus mirabilis and Strongylocentrotus intermedius: Biological Activity and Potential Applications.
Ageenko NV, Kiselev KV, Odintsova NA. Ageenko NV, et al. Mar Drugs. 2022 Sep 28;20(10):611. doi: 10.3390/md20100611. Mar Drugs. 2022. PMID: 36286435 Free PMC article. Review.
This review presents literature data: the history of the discovery of quinoid compounds, their biosynthesis and biological activity. Special attention is paid to the description of the quinoid pigments of the sea urchins Scaphechinus mirabilis (from the family Scute …
This review presents literature data: the history of the discovery of quinoid compounds, their biosynthesis and biological activity. …
KuQuinones: a ten years tale of the new pentacyclic quinoid compound.
Valentini F, Sabuzi F, Forchetta M, Conte V, Galloni P. Valentini F, et al. RSC Adv. 2023 Mar 20;13(13):9065-9077. doi: 10.1039/d3ra00539a. eCollection 2023 Mar 14. RSC Adv. 2023. PMID: 36950082 Free PMC article. Review.
In this brief review, we retraced our research activity in the last ten years, mainly dedicated to the study of a new class of peculiar pentacyclic conjugated quinoid compounds, synthesized in our group. In particular, their application as sensitive materials in photoelect …
In this brief review, we retraced our research activity in the last ten years, mainly dedicated to the study of a new class of peculiar pent …
Resolving Quinoid Structure in Poly(para-phenylene) Chains.
Yuan B, Li C, Zhao Y, Gröning O, Zhou X, Zhang P, Guan D, Li Y, Zheng H, Liu C, Mai Y, Liu P, Ji W, Jia J, Wang S. Yuan B, et al. J Am Chem Soc. 2020 Jun 3;142(22):10034-10041. doi: 10.1021/jacs.0c01930. Epub 2020 May 18. J Am Chem Soc. 2020. PMID: 32372644
The quinoid structure, a resonance structure of benzenoid, gives rise to peculiar chemical reactivity and physical properties. ...Our study provides a comprehensive understanding of the structural and electronic properties of quinoid PPP chains in real space and may …
The quinoid structure, a resonance structure of benzenoid, gives rise to peculiar chemical reactivity and physical properties. ...Our …
New Quinoid Bio-Inspired Materials Using Para-Azaquinodimethane Moiety.
Zwaihed W, Maurel F, Kobeissi M, Schmaltz B. Zwaihed W, et al. Molecules. 2023 Dec 28;29(1):186. doi: 10.3390/molecules29010186. Molecules. 2023. PMID: 38202770 Free PMC article.
Quinoid single molecules are regarded as promising materials for electronic applications due to their tunable chemical structure-driven properties. A series of three single bio-inspired quinoid materials containing para-azaquinodimethane (p-AQM) moiety were designed
Quinoid single molecules are regarded as promising materials for electronic applications due to their tunable chemical structure-driv
Quinoid Conjugated Polymer Nanoparticles with NIR-II Absorption Peak Toward Efficient Photothermal Therapy.
Li M, Li Z, Yu D, Wang M, Wang D, Wang B. Li M, et al. Chemistry. 2023 Mar 7;29(14):e202202930. doi: 10.1002/chem.202202930. Epub 2023 Feb 8. Chemistry. 2023. PMID: 36484147
Herein, we have designed conjugated polymer nanoparticles (PIS NPs) with NIR-II absorption peak at 1026 nm through a combined strategy of introducing quinoid donor-acceptor (D-A) structures, constructing intramolecular "conformational locks" and extending the conjugation a …
Herein, we have designed conjugated polymer nanoparticles (PIS NPs) with NIR-II absorption peak at 1026 nm through a combined strategy of in …
Catalytic Atroposelective Synthesis of N-Aryl Quinoid Compounds.
Vaidya SD, Toenjes ST, Yamamoto N, Maddox SM, Gustafson JL. Vaidya SD, et al. J Am Chem Soc. 2020 Feb 5;142(5):2198-2203. doi: 10.1021/jacs.9b12994. Epub 2020 Jan 28. J Am Chem Soc. 2020. PMID: 31944689 Free PMC article.
Herein, we report a chiral phosphoric acid catalyzed atroposelective electrophilic halogenation of N-aryl quinoids, a class of compounds that are analogous to diarylamines. This chemistry yields a large range of stereochemically stable N-aryl quinoids in excellent y …
Herein, we report a chiral phosphoric acid catalyzed atroposelective electrophilic halogenation of N-aryl quinoids, a class of compou …
Quinoid glycosides from Forsythia suspensa.
Li C, Dai Y, Zhang SX, Duan YH, Liu ML, Chen LY, Yao XS. Li C, et al. Phytochemistry. 2014 Aug;104:105-13. doi: 10.1016/j.phytochem.2014.04.010. Epub 2014 May 12. Phytochemistry. 2014. PMID: 24833035
Phytochemical investigation on Forsythia suspensa (Thunb.) Vahl afforded 10 compounds, including quinoid glycosides, lignan glycosides, phenylethanoid glycoside and allylbenzene glycoside together with 13 known ones. ...
Phytochemical investigation on Forsythia suspensa (Thunb.) Vahl afforded 10 compounds, including quinoid glycosides, lignan glycoside …
Quinoid-Aromatic Resonance for Very Small Optical Energy Gaps in Small-Molecule Organic Semiconductors: A Naphthodithiophenedione-oligothiophene Triad System.
Kawabata K, Takimiya K. Kawabata K, et al. Chemistry. 2021 Nov 11;27(63):15660-15670. doi: 10.1002/chem.202102663. Epub 2021 Oct 8. Chemistry. 2021. PMID: 34529287
Herein, we present a series of donor-acceptor-donor (D-A-D) organic semiconductors consisting of a highly electron-deficient naphtho[1,2-b:5,6-b']dithiophene-2,7-dione quinoidal acceptor and oligothiophene donors that show very small optical energy gaps of down to 0.72 eV …
Herein, we present a series of donor-acceptor-donor (D-A-D) organic semiconductors consisting of a highly electron-deficient naphtho[1,2-b:5 …
Quinoids, quinoid radicals, and phenoxyl radicals formed from estrogens and antiestrogens.
Bolton JL. Bolton JL. Toxicology. 2002 Aug 1;177(1):55-65. doi: 10.1016/s0300-483x(02)00195-6. Toxicology. 2002. PMID: 12126795 Review.
In contrast, there are several reports that estrogens and antiestrogens can act as antioxidants which could protect cells against free radical mediated damage and contribute to the beneficial effects of these compounds discussed above. The focus of this review is the role of q
In contrast, there are several reports that estrogens and antiestrogens can act as antioxidants which could protect cells against free radic …
1,373 results