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  1. Article ; Online: Z

    Wang, Xinxin / Wang, Jie / Ji, Meishan / Wu, Xinxin / Zhu, Chen

    Chemical communications (Cambridge, England)

    2024  Volume 60, Issue 37, Page(s) 4894–4897

    Abstract: An efficient method for the radical difunctionalization of aromatic alkynes has been developed, resulting in the synthesis of a range of valuable triarylethenes. This approach utilizes strategically designed aryldiazonium salts with tertiary alcohol ... ...

    Abstract An efficient method for the radical difunctionalization of aromatic alkynes has been developed, resulting in the synthesis of a range of valuable triarylethenes. This approach utilizes strategically designed aryldiazonium salts with tertiary alcohol substitution as bifunctional reagents, along with cost-effective cuprous chloride as a catalyst. The method demonstrates remarkable
    Language English
    Publishing date 2024-05-02
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472881-3
    ISSN 1364-548X ; 1359-7345 ; 0009-241X
    ISSN (online) 1364-548X
    ISSN 1359-7345 ; 0009-241X
    DOI 10.1039/d4cc01315h
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Photocatalytic intermolecular carboarylation of alkenes by selective C-O bond cleavage of diarylethers.

    Ji, Meishan / Chang, Chenyang / Wu, Xinxin / Zhu, Chen

    Chemical communications (Cambridge, England)

    2021  Volume 57, Issue 73, Page(s) 9240–9243

    Abstract: Disclosed herein is a novel radical-mediated intermolecular carboarylation of alkenes by cleaving inert C-O bonds. The strategically designed arylbenzothiazolylether diazonium salts are harnessed as dual-function reagents. A vast array of alkenes are ... ...

    Abstract Disclosed herein is a novel radical-mediated intermolecular carboarylation of alkenes by cleaving inert C-O bonds. The strategically designed arylbenzothiazolylether diazonium salts are harnessed as dual-function reagents. A vast array of alkenes are proven to be suitable substrates. The benzothiazolyl moiety in the products serves as the formyl precursor, and the OH residue provides the cross-coupling site for further product elaboration, indicating the robust transformability of the products.
    Language English
    Publishing date 2021-09-14
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472881-3
    ISSN 1364-548X ; 1359-7345 ; 0009-241X
    ISSN (online) 1364-548X
    ISSN 1359-7345 ; 0009-241X
    DOI 10.1039/d1cc04038c
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Photocatalytic intermolecular carboarylation of alkenes by selective C–O bond cleavage of diarylethers

    Ji, Meishan / Chang, Chenyang / Wu, Xinxin / Zhu, Chen

    Chemical communications. 2021 Sept. 14, v. 57, no. 73

    2021  

    Abstract: Disclosed herein is a novel radical-mediated intermolecular carboarylation of alkenes by cleaving inert C–O bonds. The strategically designed arylbenzothiazolylether diazonium salts are harnessed as dual-function reagents. A vast array of alkenes are ... ...

    Abstract Disclosed herein is a novel radical-mediated intermolecular carboarylation of alkenes by cleaving inert C–O bonds. The strategically designed arylbenzothiazolylether diazonium salts are harnessed as dual-function reagents. A vast array of alkenes are proven to be suitable substrates. The benzothiazolyl moiety in the products serves as the formyl precursor, and the OH residue provides the cross-coupling site for further product elaboration, indicating the robust transformability of the products.
    Keywords alkenes ; cleavage (chemistry) ; cross-coupling reactions ; diazonium compounds ; moieties ; photocatalysis
    Language English
    Dates of publication 2021-0914
    Size p. 9240-9243.
    Publishing place The Royal Society of Chemistry
    Document type Article
    ZDB-ID 1472881-3
    ISSN 1364-548X ; 1359-7345 ; 0009-241X
    ISSN (online) 1364-548X
    ISSN 1359-7345 ; 0009-241X
    DOI 10.1039/d1cc04038c
    Database NAL-Catalogue (AGRICOLA)

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  4. Article: Metal-free photo-induced heteroarylations of C–H and C–C bonds of alcohols by flow chemistry

    Cao, Zhu / Ji, Meishan / Wang, Xinxin / Wu, Xinxin / Li, Yahong / Zhu, Chen

    Green chemistry. 2022 June 6, v. 24, no. 11

    2022  

    Abstract: Practical, metal-free heteroarylations of C–H and C–C bonds of unprotected aliphatic alcohols are accomplished in a ‘stop-flow’ micro-tubing reactor. The reactions proceed through alkoxy radical-triggered hydrogen atom transfer and β-C(sp³)–C(sp³) bond ... ...

    Abstract Practical, metal-free heteroarylations of C–H and C–C bonds of unprotected aliphatic alcohols are accomplished in a ‘stop-flow’ micro-tubing reactor. The reactions proceed through alkoxy radical-triggered hydrogen atom transfer and β-C(sp³)–C(sp³) bond rupture under mild photochemical conditions, leading to a plethora of valuable functionalized heteroarenes. The reaction is amenable for late-stage functionalization of complex heteroarenes, and can be readily scaled up by a continuous-flow method. The protocol features many advantages including good regioselectivity, broad functional group compatibility, and easy operation, and may find potential use in medicinal chemistry.
    Keywords green chemistry ; hydrogen ; photochemistry ; regioselectivity
    Language English
    Dates of publication 2022-0606
    Size p. 4498-4503.
    Publishing place The Royal Society of Chemistry
    Document type Article
    ZDB-ID 2006274-6
    ISSN 1463-9270 ; 1463-9262
    ISSN (online) 1463-9270
    ISSN 1463-9262
    DOI 10.1039/d2gc01144a
    Database NAL-Catalogue (AGRICOLA)

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  5. Article ; Online: Intramolecular nitration-aminocarbonylation of unactivated olefins: metal-free synthesis of γ-lactams.

    Chen, Dong / Ji, Meishan / Zhu, Chen

    Chemical communications (Cambridge, England)

    2019  Volume 55, Issue 54, Page(s) 7796–7799

    Abstract: Disclosed herein is a novel, metal-free synthesis of γ-lactams through the radical-mediated nitration-aminocarbonylation of unactivated olefins. The reaction is initiated by a nitro radical generated from the homolysis of tert-butyl nitrite. The ... ...

    Abstract Disclosed herein is a novel, metal-free synthesis of γ-lactams through the radical-mediated nitration-aminocarbonylation of unactivated olefins. The reaction is initiated by a nitro radical generated from the homolysis of tert-butyl nitrite. The intramolecular cyanamide serves as the aminocarbonylating reagent. This protocol offers an environment-benign method to produce the synthetically valuable nitromethyl substituted γ-lactams.
    MeSH term(s) Alkenes/chemistry ; Cyanamide/chemistry ; Cyclization ; Free Radicals/chemistry ; Green Chemistry Technology/methods ; Lactams/chemical synthesis ; Models, Chemical ; Nitrites/chemistry ; Stereoisomerism
    Chemical Substances Alkenes ; Free Radicals ; Lactams ; Nitrites ; Cyanamide (420-04-2)
    Language English
    Publishing date 2019-05-31
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472881-3
    ISSN 1364-548X ; 1359-7345 ; 0009-241X
    ISSN (online) 1364-548X
    ISSN 1359-7345 ; 0009-241X
    DOI 10.1039/c9cc03736e
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Visible-light-induced consecutive C-C bond fragmentation and formation for the synthesis of elusive unsymmetric 1,8-dicarbonyl compounds.

    Ji, Meishan / Wu, Zhen / Zhu, Chen

    Chemical communications (Cambridge, England)

    2019  Volume 55, Issue 16, Page(s) 2368–2371

    Abstract: Synthesis of the valuable unsymmetric 1,8-dicarbonyl compounds remains underexplored currently. Herein, we disclose a new strategy for the synthesis of 1,8-diketones through the coupling of cyclopropanols and cyanohydrins under visible-light irradiation. ...

    Abstract Synthesis of the valuable unsymmetric 1,8-dicarbonyl compounds remains underexplored currently. Herein, we disclose a new strategy for the synthesis of 1,8-diketones through the coupling of cyclopropanols and cyanohydrins under visible-light irradiation. The protocol features a cascade of intriguing ring opening of cyclopropanols and remote cyano migration. The unfavorable addition of an alkyl radical to an electron-rich alkene is facilitated by the intramolecular cyanohydrin interception. A variety of multiply functionalized 1,8-diketones are furnished in useful yields. The products could be further transformed into other valuable compounds, manifesting the utility of this method.
    Language English
    Publishing date 2019-02-06
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472881-3
    ISSN 1364-548X ; 1359-7345 ; 0009-241X
    ISSN (online) 1364-548X
    ISSN 1359-7345 ; 0009-241X
    DOI 10.1039/c9cc00378a
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Intramolecular nitration–aminocarbonylation of unactivated olefins: metal-free synthesis of γ-lactams

    Chen, Dong / Ji, Meishan / Zhu, Chen

    Chemical communications. 2019 July 2, v. 55, no. 54

    2019  

    Abstract: Disclosed herein is a novel, metal-free synthesis of γ-lactams through the radical-mediated nitration–aminocarbonylation of unactivated olefins. The reaction is initiated by a nitro radical generated from the homolysis of tert-butyl nitrite. The ... ...

    Abstract Disclosed herein is a novel, metal-free synthesis of γ-lactams through the radical-mediated nitration–aminocarbonylation of unactivated olefins. The reaction is initiated by a nitro radical generated from the homolysis of tert-butyl nitrite. The intramolecular cyanamide serves as the aminocarbonylating reagent. This protocol offers an environment-benign method to produce the synthetically valuable nitromethyl substituted γ-lactams.
    Keywords alkenes ; chemical reactions ; homolytic cleavage ; nitrites
    Language English
    Dates of publication 2019-0702
    Size p. 7796-7799.
    Publishing place The Royal Society of Chemistry
    Document type Article
    ZDB-ID 1472881-3
    ISSN 1364-548X ; 1359-7345 ; 0009-241X
    ISSN (online) 1364-548X
    ISSN 1359-7345 ; 0009-241X
    DOI 10.1039/c9cc03736e
    Database NAL-Catalogue (AGRICOLA)

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  8. Article: Visible-light-induced consecutive C–C bond fragmentation and formation for the synthesis of elusive unsymmetric 1,8-dicarbonyl compounds

    Ji, Meishan / Chen Zhu / Zhen Wu

    Chemical communications. 2019 Feb. 19, v. 55, no. 16

    2019  

    Abstract: Synthesis of the valuable unsymmetric 1,8-dicarbonyl compounds remains underexplored currently. Herein, we disclose a new strategy for the synthesis of 1,8-diketones through the coupling of cyclopropanols and cyanohydrins under visible-light irradiation. ...

    Abstract Synthesis of the valuable unsymmetric 1,8-dicarbonyl compounds remains underexplored currently. Herein, we disclose a new strategy for the synthesis of 1,8-diketones through the coupling of cyclopropanols and cyanohydrins under visible-light irradiation. The protocol features a cascade of intriguing ring opening of cyclopropanols and remote cyano migration. The unfavorable addition of an alkyl radical to an electron-rich alkene is facilitated by the intramolecular cyanohydrin interception. A variety of multiply functionalized 1,8-diketones are furnished in useful yields. The products could be further transformed into other valuable compounds, manifesting the utility of this method.
    Keywords chemical bonding ; chemical compounds ; chemical reactions ; irradiation ; protocols
    Language English
    Dates of publication 2019-0219
    Size p. 2368-2371.
    Publishing place The Royal Society of Chemistry
    Document type Article
    ZDB-ID 1472881-3
    ISSN 1364-548X ; 1359-7345 ; 0009-241X
    ISSN (online) 1364-548X
    ISSN 1359-7345 ; 0009-241X
    DOI 10.1039/c9cc00378a
    Database NAL-Catalogue (AGRICOLA)

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  9. Article ; Online: Cyanotrifluoromethylthiolation of unactivated dialkyl-substituted alkynes via cyano migration: synthesis of trifluoromethylthiolated acrylonitriles.

    Ji, Meishan / Yu, Jiajia / Zhu, Chen

    Chemical communications (Cambridge, England)

    2018  Volume 54, Issue 50, Page(s) 6812–6815

    Abstract: Herein a novel, elusive cyanotrifluoromethylthiolation of unactivated dialkyl-substituted alkynes is reported. Taking advantage of the intramolecular cyano migration strategy, the reaction proceeds stereoselectively to deliver E-olefinic products. A ... ...

    Abstract Herein a novel, elusive cyanotrifluoromethylthiolation of unactivated dialkyl-substituted alkynes is reported. Taking advantage of the intramolecular cyano migration strategy, the reaction proceeds stereoselectively to deliver E-olefinic products. A variety of tetrasubstituted trifluoromethylthiolated acrylonitriles are afforded in modest to good yields.
    Language English
    Publishing date 2018-06-19
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472881-3
    ISSN 1364-548X ; 1359-7345 ; 0009-241X
    ISSN (online) 1364-548X
    ISSN 1359-7345 ; 0009-241X
    DOI 10.1039/c8cc01189c
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Cyanotrifluoromethylthiolation of unactivated dialkyl-substituted alkynes via cyano migration: synthesis of trifluoromethylthiolated acrylonitriles

    Ji, Meishan / Chen Zhu / Jiajia Yu

    Chemical communications. 2018 June 19, v. 54, no. 50

    2018  

    Abstract: Herein a novel, elusive cyanotrifluoromethylthiolation of unactivated dialkyl-substituted alkynes is reported. Taking advantage of the intramolecular cyano migration strategy, the reaction proceeds stereoselectively to deliver E-olefinic products. A ... ...

    Abstract Herein a novel, elusive cyanotrifluoromethylthiolation of unactivated dialkyl-substituted alkynes is reported. Taking advantage of the intramolecular cyano migration strategy, the reaction proceeds stereoselectively to deliver E-olefinic products. A variety of tetrasubstituted trifluoromethylthiolated acrylonitriles are afforded in modest to good yields.
    Keywords alkynes ; chemical reactions ; stereoselectivity
    Language English
    Dates of publication 2018-0619
    Size p. 6812-6815.
    Publishing place The Royal Society of Chemistry
    Document type Article
    ZDB-ID 1472881-3
    ISSN 1364-548X ; 1359-7345 ; 0009-241X
    ISSN (online) 1364-548X
    ISSN 1359-7345 ; 0009-241X
    DOI 10.1039/c8cc01189c
    Database NAL-Catalogue (AGRICOLA)

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