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The following term was not found in PubMed: 6-phenyl-5-pyrazin-2-yl-1H-pyrimidin-2-ylidene
Page 1
4-Ethynyl-4-hydroxycyclohexan-1-one and 4-ethynyl-4-hydroxy-2,3,5, 6-tetramethylcyclohexa-2,5-dien-1-one.
Bilton C, Howard JA, Madhavi NN, Desiraju GR, Allen FH. Bilton C, et al. Acta Crystallogr C. 2000 Nov;56 Pt 11:1356-8. doi: 10.1107/s0108270100011355. Acta Crystallogr C. 2000. PMID: 11077297
The title compounds, C(8)H(10)O(2), (I), and C(12)H(14)O(2), (II), occurred as by-products in the controlled synthesis of a series of bis(gem-alkynols), prepared as part of an extensive study of synthon formation in simple gem-alkynol derivatives. The two 4-(gem-alkynol)-1 …
The title compounds, C(8)H(10)O(2), (I), and C(12)H(14)O(2), (II), occurred as by-products in the controlled synthesis of a series of bis(ge …
Terpenoids with anti-influenza activity from the leaves of Euphorbia leucocephala.
Chen HT, Chuang CW, Cheng JC, Yeh YJ, Chang TH, Shi YT, Chao CH. Chen HT, et al. Nat Prod Res. 2023 Mar;37(6):936-943. doi: 10.1080/14786419.2022.2098739. Epub 2022 Jul 15. Nat Prod Res. 2023. PMID: 35838448
Two rearranged terpenoids with a rare 3,4,5-trimethyl-cyclohexa-2,5-dien-1-one moiety, namely leucocephins A (1) and B (2), and a megastigmane, namely leucocephin C (3), as well as three known compounds, hollongdione (4), 3- …
Two rearranged terpenoids with a rare 3,4,5-trimethyl-cyclohexa-2,5-dien-1-one moiety, name …
The Ligand Free Palladium(II)-Catalyzed Regioselective 1,2-Addition of Enol Silanes to Quinones to Access 4-Hydroxy-4-(2-oxo-2-arylethyl)cyclohexadien-1-ones and Synthetic Applications.
Polimera SR, A M Subbaiah M, Ilangovan A. Polimera SR, et al. J Org Chem. 2021 Nov 5;86(21):14356-14370. doi: 10.1021/acs.joc.1c00857. Epub 2021 Sep 23. J Org Chem. 2021. PMID: 34554740
In contrast to the conventional 1,4-addition process, regioselective 1,2-addition of silyl enol ethers to quinones can now be achieved via a palladium(II) enolate pathway that provides access to 4-hydroxy-4-(2-oxo-2-arylethyl)cyclohexa-2,5 …
In contrast to the conventional 1,4-addition process, regioselective 1,2-addition of silyl enol ethers to quinones can now be achieve …
CF3-Containing para-Quinone Methides for Organic Synthesis.
Winter M, Schütz R, Eitzinger A, Ofial AR, Waser M. Winter M, et al. European J Org Chem. 2020 Jul 7;2020(25):3812-3817. doi: 10.1002/ejoc.202000295. Epub 2020 Mar 6. European J Org Chem. 2020. PMID: 32624681 Free PMC article.
The electrophilicity parameter E of the prototypical CF(3)-QM 2,6-di-tert-butyl-4-(2,2,2-trifluoroethylidene)cyclohexa-2,5-dien-1-one was determined to be -11.68 according to the Mayr scale, making it one of the most reactive quino …
The electrophilicity parameter E of the prototypical CF(3)-QM 2,6-di-tert-butyl-4-(2,2,2-trifluoroethylidene)cyclohexa-2 …
Bioactive selaginellins from Selaginella tamariscina (Beauv.) Spring.
Yang C, Shao Y, Li K, Xia W. Yang C, et al. Beilstein J Org Chem. 2012;8:1884-9. doi: 10.3762/bjoc.8.217. Epub 2012 Nov 5. Beilstein J Org Chem. 2012. PMID: 23209526 Free PMC article.
A new selaginellin named selaginellin O (1), along with three other known selaginellins (2-4) were isolated from Selaginella tamariscina (Beauv.) Spring. On the basis of spectroscopic analysis, the structure of selaginellin O was demonstrated to be 4-[(4'-hyd …
A new selaginellin named selaginellin O (1), along with three other known selaginellins (2-4) were isolated from Selaginella tamarisc …
Action des rayonnements beta et des oxydants sur le di-tert. butyl- 3,5 hydroxy-4 toluene.
Majcherczyk C, Polge P, Baylocq D, Pellerin F. Majcherczyk C, et al. Talanta. 1986 Dec;33(12):985-9. Talanta. 1986. PMID: 18964241 French.
An HPLC method for the identification and determination of BHT (3,5-di-tert.butyl-4-hydroxytoluene) and the by-products obtained from it by beta-ray or oxidative treatment is described. ...The irradiation leads to the dimeric and trimeric forms of the antioxidant and the o …
An HPLC method for the identification and determination of BHT (3,5-di-tert.butyl-4-hydroxytoluene) and the by-products obtained from …
20-Nor-Isopimarane Epimers Produced by Aspergillus wentii SD-310, a Fungal Strain Obtained from Deep Sea Sediment.
Li XD, Li X, Li XM, Xu GM, Liu Y, Wang BG. Li XD, et al. Mar Drugs. 2018 Nov 9;16(11):440. doi: 10.3390/md16110440. Mar Drugs. 2018. PMID: 30423951 Free PMC article.
Four new uncommon 20-nor-isopimarane diterpenoid epimers, aspewentins I-L (1-4), together with a new methylated derivative of 3, aspewentin M (5), were isolated from the deep sea sediment-derived fungus Aspergillus wentii SD-310. ...These metabolites represented the rare e …
Four new uncommon 20-nor-isopimarane diterpenoid epimers, aspewentins I-L (1-4), together with a new methylated derivative of 3, aspe …
Antagonist functional selectivity: 5-HT2A serotonin receptor antagonists differentially regulate 5-HT2A receptor protein level in vivo.
Yadav PN, Kroeze WK, Farrell MS, Roth BL. Yadav PN, et al. J Pharmacol Exp Ther. 2011 Oct;339(1):99-105. doi: 10.1124/jpet.111.183780. Epub 2011 Jul 7. J Pharmacol Exp Ther. 2011. PMID: 21737536 Free PMC article.
To test this hypothesis, we assessed the effect of chronically administered antipsychotics (clozapine, olanzapine, and haloperidol) and several 5-HT(2A) antagonists [ketanserin, altanserin, alpha-(2,3-dimethoxyphenyl)-1-[2-(4-fluorophenylethyl)]-4-piperidinemethanol …
To test this hypothesis, we assessed the effect of chronically administered antipsychotics (clozapine, olanzapine, and haloperidol) and seve …
Bis(acetonitrile)bis(acetylacetonato)ruthenium(III) mediated chemical transformations of coordinated 2-methylthioanilide.
Chatterjee S, Mandal S, Samanta S, Goswami S. Chatterjee S, et al. Dalton Trans. 2012 Jun 21;41(23):7057-66. doi: 10.1039/c2dt30344b. Epub 2012 May 3. Dalton Trans. 2012. PMID: 22555595
Chemical reaction of [Ru(III)(acac)(2)(CH(3)CN)(2)]ClO(4) (1) with 2-methylthioaniline, HL(1) in ethanol under basic conditions yielded three new complexes Ru(II)(acac)(2)(L(1b)) (1b), (L(1b) = 4-imino-3-(methylsulfanyl)cyclohexa-2,5-dien …
Chemical reaction of [Ru(III)(acac)(2)(CH(3)CN)(2)]ClO(4) (1) with 2-methylthioaniline, HL(1) in ethanol under basic conditions yield …
Neutral Organic Radical Formation by Chemisorption on Metal Surfaces.
Ajayakumar MR, Moreno C, Alcón I, Illas F, Rovira C, Veciana J, Bromley ST, Mugarza A, Mas-Torrent M. Ajayakumar MR, et al. J Phys Chem Lett. 2020 May 21;11(10):3897-3904. doi: 10.1021/acs.jpclett.0c00269. Epub 2020 May 4. J Phys Chem Lett. 2020. PMID: 32343903
Following a recent theoretical proposal based on a model system, we report the first experimental realization of a metal surface-induced r-ML, where a rationally chosen closed-shell precursor 3,5-dichloro-4-[bis(2,4,6-trichlorophenyl)methylen]cyclohexa-2 …
Following a recent theoretical proposal based on a model system, we report the first experimental realization of a metal surface-induced r-M …
13 results